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Vitus Zenium CRS Road Bike (Ultegra) Road Bikes
  • £1799.99
  • RRP £1999.99
  • Saving you £10

The Zenium CRS features a strong and lightweight carbon frameset equipped with a Shimano Ultegra R8000 2x11-Speed mechanical groupset and powerful R8000 hydraulic disc brakes. It also rolls fast and stable upon Prime Baroudeur alloy wheels wrapped in high-grip Schwalbe One Performance Tubeless Ready tyres. Fast and Stylish Carbon Fibre Road Race Bike The Vitus Zenium CRS is a modern and sporty carbon road bike. Benefitting from the influence of the top-tier Vitus performance models and with features that make it a step up from entry-level, the Zenium is the bike that will enable you to grow as a rider. Shimano Ultegra R8000 11-Speed Groupset and Disc Brakes The Zenium is loaded with great features. Firstly, the carbon frame is UCI-certified so you could, with a bit of training, race it in the Tour de France. Front and rear bolt-thru axles keep the handling predictable and contribute to the responsive feel and efficiency, especially when you are out of the saddle and working hard up the climbs. Dropped seat stays complete the modern look and allows for a touch more comfort through the seatpost on those longer rides. Disc brakes not only equip you with precise control but allow the frame to afford wider tyre clearance of up to 32mm. This Zenium CRS model is finished with Shimano’s well-proven Ultegra mechanical groupset, so you can trust that the gear shifting will be smooth and reliable. Cables are routed internally through a neat port in the downtube, protecting them from dirt and prolonging the performance of the components. That satisfying and rewarding experience of riding a responsive carbon road bike is where the Zenium excels. It is poised to ignite the two most important qualities of a great ride - exhilaration and fun. Call it your race bike. Call it your sportive bike. Call it your commuter. Call it your all-rounder. Features: Frame: Zenium Carbon, T700 UD Carbon, Flat Mount Disc Brake, Internal Cable Routing, 142 x 12mm Axle Fork: Zenium UD Carbon, Tapered Carbon Steerer, QR, Mudguard Mounts Headset: ACROS Aix 322 R3, Sealed Bearings, OD46, 41.8/28.6 - 47/33, 1 1/8” – 1 ½”, Integrated Handlebar: Vitus 6061 Aluminium, XS:400mm S:400mm M:420mm L:420mm XL:440mm XXL:440mm Stem: Vitus 6061 Aluminium, Bar Bore 31.8mm, +/- 7 degrees, XS:90mm S:100mm M:100mm L:110mm XL:110mm XXL:120mm Grip(Tape): Vitus SuperGrip, Anti Slip, Shockproof Wheelset: Prime Baroudeur Disc Alloy Wheelset Front Rim: Prime Baroudeur Disc, Alloy, 700c, Rim Depth: 30mm Rear Rim: Prime Baroudeur Disc, Alloy, 700c, Rim Depth: 30mm Front Hub: Prime RD020, 12 x 100mm, Centre Lock Rear Hub: Prime RD021, 12 x 142mm, Centre Lock, HG Freehub Front Tyre: Schwalbe One Performance, 700c x 28c, RaceGuard, MicroSkin, Tubeless Ready Rear Tyre: Schwalbe One Performance, 700c x 28c, RaceGuard, MicroSkin, Tubeless Ready Spoke: Pillar PDB 1415, Double butted Chain: KMC X11, 11 Speed Crankset: Shimano Ultegra R8000, 52/36T, 11 Speed, XS:170mm S:170mm M:172.5mm L:172.5mm XL:175mm XXL:175mm Bottom Bracket: Prestine PF30, PF30 with 24mm adapters F/brake Set: Shimano Ultegra R8000, BR-R8070, Flat Mount, Hydraulic R/brake Set: Shimano Ultegra R8000, BR-R8070, Flat Mount, Hydraulic Rotors: Shimano SM-RT800, Front: 160mm, Rear: 160mm Front Derailleur: Shimano Ultegra R8000, FD-R8000-L, Braze-On, 2 x 11 Speed Rear Derailleur: Shimano Ultegra R8000, RD-R8000, 11 Speed Left Shifter: Shimano Ultegra R8000, ST-R8020-L, 2 x 11 Speed Right Shifter: Shimano Ultegra R8000, ST-R8020-R, 11 Speed Freewheel: Sunrace CS-RX1, 11 Speed, 11-32T Saddle: Vitus, Steel Rail Seat Post: Vitus Carbon, 27.2mm x 350mm Seat Screw: Aluminium 31.8mm, Stainless Steel Bolt Built, Tuned and Ready to Ride Rest assured that each bike is fully built and tuned by Wiggle's team of qualified bike mechanics to ensure your bike arrives in perfect condition. We supply all bikes with a set of plastic pedals, a pedal wrench and a multi-tool kit. Find out which size fits you by clicking the size chart tab. Please Note: Due to ongoing issues in the global bike supply chain, manufacturers may substitute certain component items due to availability. In this situation, they will be replaced with the same quality or better performing parts.

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Ridley Liz SL D 105m Road Bike (2021) Road Bikes
  • £1799.99
  • RRP £1898.99
  • Saving you £5

The Liz SL is optimised for endurance rides and long days in the saddle, plus, it's equipped with superb components to ensure you get the best performance and enjoyment from every ride. Ridley has fitted it with a Shimano 105 2x11-Speed groupset with a compact 50/34T chainset, an 11-30T cassette and hydraulic disc brakes for versatile gear-shifting performance and powerful all-weather braking performance. Also, it rolls upon Shimano RS171 race wheels that are wrapped in Vittoria Zaffiro tyres, giving you an excellent balance of pace, stability and traction. Strong, Agile and Lightweight All-Around Road Race Bike The Ridley Liz is the quintessential “all-round” bike. It offers the perfect blend between durability, comfort and stability at a low weight for long days in the saddle. Its unique diamond shape tubing creates reinforced edges for a robust frame with increased impact-resistance. Ideal for Racing, Endurance Rides and Training Sessions While the Liz expertly handles top competition, it is also perfectly suited for the part-time racer or recreational rider in terms of performance, comfort and cost. It’s the optimal bike for tackling your next Gran Fondo or extended tour through the Flemish Ardennes. Efficient, Stylish and Versatile Carbon Road Bike The Liz is the absolute top bike in the Ridley Endurance range. Thanks to the wide bottom bracket, the head tube and the diamond-shaped down tube, every pedal stroke is converted into speed. Meanwhile, the curved top tube, the 27.2mm seat tube and the fine rear stays provide a high level of comfort. The Ridley Liz SL D 105 Road Bike features integrated cable routing and an aerodynamic handlebar, plus, it has a full carbon fork. This bike offers a cycling experience that has been significantly upgraded and these upgrades provide the perfect mix of comfort, stiffness and responsiveness that's ideal for riding anywhere. Ridley Carbon Ridley set extremely high standards for themselves. And, it all starts with their choice of raw materials. They use only the best quality carbon available, sourced from Toray. They are the world’s leading carbon manufacturer, supplying mainly to the aerospace industry. The grades of high-modulus carbon used vary from their most pliable 24-ton, which gives the frame flex and comfort, to 60-ton which is the stiffest. Liz Frame Shape Its slightly longer rear triangle increases the bike’s wheelbase for added stability and comfort. It also allows for larger tyres up to 28mm for further increased comfort and versatility. Now you know how André Greipel can easily remain seated up the arduous Oude Kwaremont cobbled climb. Disc Brakes Disc brakes are one of the newest game-changing evolutions in road cycling. They add that extra level of security to any ride, knowing that you can always stop on demand. They are equally reliable in all weather conditions. The ease of braking is a real bonus, especially when your hands are frozen and barely functional. Just a light pull on the lever to modulate your speed. With no need for braking on the rim surface, wear and tear are reduced. This gets you much more mileage from your wheelset. Built, Tuned and Ready to Ride Rest assured that each bike is fully built and tuned by Wiggle's team of qualified bike mechanics to ensure your bike arrives in perfect condition. We supply all bikes with a set of plastic pedals, a pedal wrench and a multi-tool kit. Find out which size fits you by clicking the size chart tab.

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Reynolds Aero 80 Black Label Carbon Road Wheelset Wheel Sets
  • £1799.99
  • RRP £2099.99
  • Saving you £14

This road bike wheelset features two carbon 19mm tubeless-ready rims and precision-crafted Industry Nine hubs that lower rolling resistance, enhance lateral stiffness and improve your overall ride. This makes it an ideal upgrade for riders who want a stronger and more dynamic wheelset, without any unnecessary weight. - Industry leading aerodynamic performance and cross wind stability with our Dispersive Effect Termination (DET™) rim profile - Wide, tubeless ready rim provides better fit for higher volume tyres that increase grip, lower rolling resistance and provide greater comfort - Precision manufactured Reynolds hubs by Industry Nine for quick engagement and efficient transfer of power - Premium Sapim CX-Ray bladed spokes offer ultimate performance in weight and ride quality paired with internal, alloy nipples - Ctg2 brake track is 30% more resistant to heat than previous models Item Top Features Continued: Pawl: 3 Type: Shimano Wheelset Size: 700c Tubeless Compatible: Yes Brake Type: Rim Brake Axle Spacing: Front: QR 100mm; Rear: QR 130mm Weight: 1797g

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Ridley Liz SL D 105 Road Bike 2021 - Blue, Blue
  • £1799.99
  • RRP £1898.99
  • Saving you £5

Ridley Liz SL D 105 Road BikeThe Ridley Liz SL features a super-lightweight full-carbon frameset that's designed and engineered to ensure outstanding durability, comfort and control for female road cyclists. It's optimised for endurance rides and long days in the saddle, plus, it's equipped with superb components to ensure you get the best performance and enjoyment from every ride. Ridley has fitted it with a Shimano 105 2x11-Speed groupset with a compact 50/34T chainset, an 11-30T cassette and hydraulic disc brakes for versatile gear-shifting performance and powerful all-weather braking performance. Also, it rolls upon Shimano RS171 race wheels that are wrapped in Vittoria Zaffiro tyres, giving you an excellent balance of pace, stability and traction.Strong, Agile and Lightweight All-Around Road Race BikeThey Ridley Liz is the quintessential “all-round” bike. It offers the perfect blend between performance, weight, strength, stiffness and especially comfort for long days in the saddle. Its unique diamond shape tubing creates reinforced edges for a robust frame with increased impact-resistance. Ideal for Racing, Endurance Rides and Training SessionsWhile the Liz expertly handles top competition, it is also perfectly suited for the part-time racer or recreational rider in terms of performance, comfort and cost. It's the optimal bike for tackling your next Gran Fondo or extended tour through the Flemish Ardennes. Efficient, Stylish and Versatile Carbon Road BikeThe Liz is the absolute top bike in the Ridley Endurance range. Thanks to the wide bottom bracket, the head tube and the diamond-shaped down tube, every pedal stroke is converted into speed. Meanwhile, the curved top tube, the 27.2mm seat tube and the fine rear stays provide a high level of comfort. The Ridley Liz SL D 105 Road Bike features integrated cable routing and an aerodynamic handlebar, plus, it has a full carbon fork. This bike offers a cycling experience that has been significantly upgraded and these upgrades provide the perfect mix of comfort, stiffness and responsiveness that's ideal for riding anywhere.Features: Frame: Liz SL Disc, 30T-24T HM UD Carbon, Diamond Shape, TA 12x142mm Fork: Liz SL Disc, 30T-24T HM UD Carbon, TA 12x100 mm Group: Shimano 105 HDB Crank: Shimano RS510 50/34T Sprocket: Shimano 105 11-30T Brakes: Shimano 105 HDB Wheels: Shimano RS171 DB Handlebar: Forza Stratos Stem: Forza Stratos Seat Post: Forza Stratos Chain: KMC X11 Saddle: Forza Stratos Tyres: Vittoria ZaffiroTechnologies: Ridley Carbon: Ridley set extremely high standards for themselves. And, it all starts with their choice of raw materials. They use only the best quality carbon available, sourced from Toray. They are the world's leading carbon manufacturer, supplying mainly to the aerospace industry. The grades of high-modulus carbon used varies from their most pliable 24-ton, which gives the frame flex and comfort, to 60-ton which is the stiffest. Liz Frame Shape: Its slightly longer rear triangle increases the bike's wheelbase for added stability and comfort. It also allows for larger tyres up to 28mm for further increased comfort and versatility. Now you know how André Greipel can easily remain seated up the arduous Oude Kwaremont cobbled climb. Disc Brakes: Disc brakes are one of the newest game-changing evolutions in road cycling. They add that extra level of security to any ride, knowing that you can always stop on demand. They are equally reliable in all weather conditions. The ease of braking is a real bonus, especially when your hands are frozen and barely functional. Just a light pull on the lever to modulate your speed. With no need for braking on the rim surface, wear and tear is reduced. This gets you much more mileage from your wheelset.Easy AssemblyWhen you order a bike, one of our trained mechanics will carefully prepare and pack your bike for shipping. Upon delivery, the assembly is simple and all necessary tools and plastic pedals are conveniently included in the box.Depending on the delivery service and destination, bikes will either be delivered in a large or a small box. Below is a guide as to how your bike will arrive: All bikes for delivery within the UK and Republic of Ireland will be delivered in a large box, except for balance bikes and BMX bikes, which are always delivered in manufacturer’s boxes. All bikes for delivery within the EU on a standard service will be delivered in a large box. If an express delivery option is chosen, your bike will be packed into a small box. Again, the exception is balance bikes and BMX bikes, which are always delivered in manufacturer’s boxes. All bikes for worldwide delivery outside the EU will be delivered in small boxes.This video demonstrates assembly from a SMALL BOX.This video demonstrates assembly from a LARGE BOX.Buy Ridley Bikes from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Cinelli Veltrix Disc 105 Road Bike 2022 - Blue - 58cm (22.75"), Blue
  • £1839.99
  • RRP £2298.99
  • Saving you £20

Cinelli Veltrix Disc 105 Hydro BikeThe Cinelli Veltrix Disc 105 is ideal for long-distance endurance events, group club rides and criterium races. With a full-carbon frameset and a Shimano 105 2x11-Speed groupset with hydraulic disc brakes, it offers agile, comfortable and efficient performance for all-day road cycling and training. It also rolls upon Tubeless Ready Vision Team 30 wheels wrapped in Impac RacePac 700x28c tyres that offers a sublime balance of fast rolling and all-weather grip.Fast, Stable, Agile and Comfortable Road Race BikeVeltrix is a carbon monocoque frame born for the competition: fast, reactive and performing. Its easy handling makes it suitable for multiple uses, perfect for the pro but also for those who want to ride at a smooth pace. The wise use of carbon fibre along with an optimal sizing of the sections of the frame elements make it a superb performing bike for all riding situations and weather conditions. Cinelli Dynamic Race GeometryThe Veltrix Disc road bike uses Dynamic Race Geometry which means that the ratio between the top tube and seat tube never differs between frame sizes, offering the optimum position in the saddle for power transfer and aerodynamics regardless of size. It perfectly aligns the rider's centre of gravity, resulting in sublime handling. Wide Tyre Clearance, Flat Mount Disc Brakes and UCI ApprovedConstructed with T30/HM carbon fibre and featuring a 1.5" headtube to give precision steering at the highest speeds while also being suitable for up to 28mm tyres, flat mount disc brakes and 12mm thru-axles. The frame is also electronic and mechanical groupset ready and is UCI Approved. Features: Frame: Columbus Carbon Monocoque Forks: Columbus Disc 1 1/8" - 1 1/2" Monocoque Cable Routing: Internal Routing - Di2/EPS Brake Fitment: Flat Mount Disc Axles: 12x100mm Front, 12x142mm Rear Bottom Bracket: BSA 68mm Seatpost Dia: 31.6mm Max Tyre Clearance: 700x28c UCI Approved Frame Weight: 1250g Fork Weight: 500g Components: Shimano 105 Hydraulic 11x Chainset: FSA Omega MX Chainset 34/50T Disc Brakes: Shimano 105 Hydraulic Cassette: Shimano 11x 11/32T Chain: KMC 11x Saddle: Selle Italia Model X Bar/Stem/Seatpost: Tifosi Alloy Wheelset: Vision Team 30 TLR Disc Tyres: Impac RacePac 700x28cEasy AssemblyWhen you order a bike, one of our trained mechanics will carefully prepare and pack your bike for shipping. Upon delivery, the assembly is simple and all necessary tools and plastic pedals are conveniently included in the box.Depending on the delivery service and destination, bikes will either be delivered in a large or a small box. Below is a guide as to how your bike will arrive: All bikes for delivery within the UK and Republic of Ireland will be delivered in a large box, except for balance bikes and BMX bikes, which are always delivered in manufacturer’s boxes. All bikes for delivery within the EU on a standard service will be delivered in a large box. If an express delivery option is chosen, your bike will be packed into a small box. Again, the exception is balance bikes and BMX bikes, which are always delivered in manufacturer’s boxes. All bikes for worldwide delivery outside the EU will be delivered in small boxes.This video demonstrates assembly from a SMALL BOX.This video demonstrates assembly from a LARGE BOX.Please note that due to ongoing issues in the global bike supply chain, manufacturers may substitute certain component items due to availability. In this situation, they will be replaced with the same quality or better performing parts.Buy Cinelli Bikes from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Cinelli Veltrix Caliper 105 Road Bike 2022 - Blue - 58cm (22.75"), Blue
  • £1848.99

Cinelli Veltrix Caliper 105 Road BikeThe Veltrix Caliper 105 Road Bike offers exceptional efficiency, reliability and all-day riding comfort, giving you versatile performance for crit-events, group rides, long-distance endurance sessions and club races. It features a Columbus carbon monocoque frameset, a Shimano 105 11-Speed groupset with a compact 50/34T chainset, an 11-32T rear cassette and Miche Performance caliper rim brakes. Plus, it rolls fast and stable upon Vision Team 30 wheels wrapped in high grip Impac RacePac 28c tyres for outstanding all-weather agility and traction. And, a stylish finishing kit from Selle Italia and Tifosi wraps-up this elegant bike build perfectly.Fast and Lightweight Carbon Monocoque Endurance Road BikeThe Veltrix is Cinelli's carbon monocoque endurance frame, comfortable enough to ride at a smooth pace all day or fast enough to use for Strava smashing rides. This bike's design uses Dynamic Race Geometry, which means that the ratio between the top tube and seat tube never differs between frame sizes, offering the optimum position in the saddle for power transfer and aerodynamics regardless of size. It perfectly aligns the rider's centre of gravity, resulting in sublime handling. Wide Tyre Clearance, Electronic Groupset Compatible and UCI ApprovedThis Veltrix model is engineered with T30/HM carbon fibre and featuring a 1.5" headtube to give precision steering at the highest speeds. Also, this bike is suitable for tyres up to 28mm, is electronic and mechanical groupset ready and is UCI Approved. Features: Frame: Columbus Carbon Monocoque Forks: Columbus 1 1/8" - 1 1/2" Monocoque Cable Routing: Internal Routing - Di2/EPS Brake Fitment: Road Caliper rim brakes QR Dropouts: 100mm Front, 130mm Rear Bottom Bracket: BSA 68mm Seatpost Dia: 31.6mm Max Tyre Clearance: 700x28c UCI Approved Components: Shimano 105 11x Chainset: FSA Omega MX Chainset 34/50T Brake Calipers: Miche Performance Cassette: Shimano 105 11x 11/32T Chain: KMC 11x Saddle: Selle Italia Model X Bar/Stem/Seatpost: Tifosi Alloy Wheelset: Vision Team 30 TLR Tyres: Impac RacePac 700x28c Frame Weight: 1200g Fork Weight: 460gEasy AssemblyWhen you order a bike, one of our trained mechanics will carefully prepare and pack your bike for shipping. Upon delivery, the assembly is simple and all necessary tools and plastic pedals are conveniently included in the box.Depending on the delivery service and destination, bikes will either be delivered in a large or a small box. Below is a guide as to how your bike will arrive: All bikes for delivery within the UK and Republic of Ireland will be delivered in a large box, except for balance bikes and BMX bikes, which are always delivered in manufacturer’s boxes. All bikes for delivery within the EU on a standard service will be delivered in a large box. If an express delivery option is chosen, your bike will be packed into a small box. Again, the exception is balance bikes and BMX bikes, which are always delivered in manufacturer’s boxes. All bikes for worldwide delivery outside the EU will be delivered in small boxes.This video demonstrates assembly from a SMALL BOX.This video demonstrates assembly from a LARGE BOX.Buy Cinelli Bikes from Chain Reaction Cycles, the World's Largest Online Bike Store.

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ENVE Foundation 45mm Carbon Road Wheelset - Black - Shimano HG}, Black
  • £1849.99

ENVE Foundation 45mm Carbon Road WheelsetThis versatile road bike wheelset features a reliable carbon fibre construction, which makes it incredibly stiff when climbing as well as lightweight when descending. Perfect for racing, this wheelset's shape is both drag-taming and crosswind defying as it takes its design from the top of range SES model. This makes it a great choice of upgrade for modern, multi-purpose road cycling plus, its rim width and anti-pinch flat technology ensures that higher volume tubeless road tyres can be added for greater stability, strength and an incredibly low weight.Built upon over a decade of carbon wheel crafting experience, the Foundation 45 brings ENVE's knowledge and technology to the masses. Blended aero properties, tubeless compatibility, and pinch flat protection for the rider looking to test the waters on carbon wheel performance. ENVE Worthy, and priced to provide the foundation for confident riding through performance-crafted carbon in the US. Ideal for cyclists and triathletes looking to move into the world of carbon. Aerodynamics are an unalienable right for road cyclists and triathletes that allows for greater efficiency and confidence-inspiring handling, regardless of wind conditions. With more than a decade's experience in developing some of the world's fastest wheels, ENVE are uniquely qualified to deliver best-in-class aerodynamics to the Foundation customer.Like ENVE's SES wheel family, the Foundation Collection and its ENVE 45 were tested and developed at the Mercedes Benz Formula One wind-tunnel to deliver best-in-class real-world aero performance. Unlike other wheel brands who only test isolated wheels at elite speeds of 30mph/48kph, ENVE develops and tests wheels in-frame at multiple speeds ranging from 20mph/32kph to 30mph/48kph. This testing, while more time consuming and expensive, ensures that the ENVE 45 delivers performance advantages to riders of all abilities.Tubeless for the WinTubeless is the future and the future is now. The benefits of road tubeless are as follows:• Lower rolling resistance: By eliminating the inner-tube, the friction between tyre and tube is also eliminated, allowing the tyre roll, flex, and conform to the road with greater efficiency.• Flat less, ride more: Flat tyres are a buzz-kill. With a little sealant you can eliminate nearly all flats that would have been caused by an intrusive thorn or piece of debris.• Run the Best Pressure: Tubeless means you can run the pressure you want to maximize comfort, traction, and rolling efficiency. • Hookless/Straight-Sidewall Design: Tubeless performance depends on the tire maintaining a light press-fit with the rim on the bead seat diameter. ENVE chooses a hookless tubeless rim profile as it allows the rim's critical tolerance at the bead seat diameter to be both consistent and accurate. In short, hookless is chosen to deliver a more safe, reliable, and ultimately proper tyre fitment.The ENVE 45 is optimised for use with tubeless tyres greater than 25mm wide. Features: Rim Material: Carbon Fibre Inner Rim Width: 21mm External Rim Width: 28mm Rim Depth: 45mm Rim Type: Clincher Tyre Compatibility: Tubeless 25c or larger Use: Road Bead: Wide Hookless Bead provides pot-hole protection Tubeless: Yes, Tubeless Optimised for rolling fast and fewer flats Hole Count: 24 Effective Rim Diameter: 568 Aero Optimised Tyre Size: 25-28c Spoke Type: Sapim CX Sprint Spoke Cross: 2x Freehub: Multiple options available to select separately Axle: Front: 100x12; Rear: 142x12 Single or Pair: Pair Included: 2x valve stems, 1x roll of tape (good for taping 3 wheels), 2x Pressure Relief Valve Stem Nuts and Wheel Manual and Wheelbuild Card Part Numbers: SRAM XD: EN00F451003114002; Shimano: EN00F451003114001 Weight: SRAM XD Option: 1541g; Shimano Option: 1561gTechnologies: Learning from the Best: To achieve the low drag and high stability performance the ENVE 45 offers, ENVE takes cues from its top of the line SES line up. This trickle-down approach from ENVE's top-of-the-line products means the ENVE 45's outperform, or perform similar to, competitor's wheels that are upmarket in price. Wide, Hookless Bead Teachnology: Featuring ENVE's Wide Hookless Bead technology, the ENVE 45 disperses any impact from pot holes, curbs and debris over a wide area, reducing the likelihood of pinch flats. Potholes and unforeseen impacts are part of life, but that doesn't mean they need to ruin your ride. The ENVE 45 features ENVE's patent pending Wide Hookless Bead which is a design element at the leading edge of the rim that dissipates impact energy and reduces the likelihood of pinch flatting your tubed or tubeless tyre. Patented Technology: Patented Molded Spoke and Valve Stem Hole Technology results in rims that are light and strong. Because carbon fibre gets its strength from continuous fibres, ENVE routes the fibres around the hole without cutting them which increases the strength of each spoke hole. ENVE's patented process of moulding spoke and valve stem holes results in rims that are stronger and lighter. Because carbon fibre gets its strength from continuous fibres, ENVE routes the fibres around the hole without cutting them, increasing the strength of each spoke hole. This technique pays large dividends in the final product by allowing for a lighter spoke face while improving rim strength. Because of this process, our spoke holes are capable of maintaining higher spoke tensions, greatly reducing the risk of spoke pull-through and the need to constantly true your wheels. Strong, light and maintenance-free. ENVE Foundation Road Hub: The ENVE Foundation Road Hub features ENVE's core hub technologies. The hub shell uses simplified machining without compromising flange geometry and wheel build stiffness. The drive mechanism uses Instant Drive 360 technology and a 40t ratchet to deliver responsive engagement, minimal drag, and low maintenance performance. The bearings are premium full contact sealed NTN steel bearings. The Rotor attachment is centre-lock. ENVE Has You Covered: The Foundation 45mm Wheelset comes with ENVE's leading Lifetime Incident Protection and 5 Year warranty. The 5 Year Warranty protects buyers from defects in material and workmanship. The Lifetime Incident Protection program protects owners from damage caused to their wheels while riding, crashing, or transporting their bikes.Buy ENVE Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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ENVE Foundation 45mm Carbon Road Wheelset - Black - SRAM XDR}, Black
  • £1849.99

ENVE Foundation 45mm Carbon Road WheelsetThis versatile road bike wheelset features a reliable carbon fibre construction, which makes it incredibly stiff when climbing as well as lightweight when descending. Perfect for racing, this wheelset's shape is both drag-taming and crosswind defying as it takes its design from the top of range SES model. This makes it a great choice of upgrade for modern, multi-purpose road cycling plus, its rim width and anti-pinch flat technology ensures that higher volume tubeless road tyres can be added for greater stability, strength and an incredibly low weight.Built upon over a decade of carbon wheel crafting experience, the Foundation 45 brings ENVE's knowledge and technology to the masses. Blended aero properties, tubeless compatibility, and pinch flat protection for the rider looking to test the waters on carbon wheel performance. ENVE Worthy, and priced to provide the foundation for confident riding through performance-crafted carbon in the US. Ideal for cyclists and triathletes looking to move into the world of carbon. Aerodynamics are an unalienable right for road cyclists and triathletes that allows for greater efficiency and confidence-inspiring handling, regardless of wind conditions. With more than a decade's experience in developing some of the world's fastest wheels, ENVE are uniquely qualified to deliver best-in-class aerodynamics to the Foundation customer.Like ENVE's SES wheel family, the Foundation Collection and its ENVE 45 were tested and developed at the Mercedes Benz Formula One wind-tunnel to deliver best-in-class real-world aero performance. Unlike other wheel brands who only test isolated wheels at elite speeds of 30mph/48kph, ENVE develops and tests wheels in-frame at multiple speeds ranging from 20mph/32kph to 30mph/48kph. This testing, while more time consuming and expensive, ensures that the ENVE 45 delivers performance advantages to riders of all abilities.Tubeless for the WinTubeless is the future and the future is now. The benefits of road tubeless are as follows:• Lower rolling resistance: By eliminating the inner-tube, the friction between tyre and tube is also eliminated, allowing the tyre roll, flex, and conform to the road with greater efficiency.• Flat less, ride more: Flat tyres are a buzz-kill. With a little sealant you can eliminate nearly all flats that would have been caused by an intrusive thorn or piece of debris.• Run the Best Pressure: Tubeless means you can run the pressure you want to maximize comfort, traction, and rolling efficiency. • Hookless/Straight-Sidewall Design: Tubeless performance depends on the tire maintaining a light press-fit with the rim on the bead seat diameter. ENVE chooses a hookless tubeless rim profile as it allows the rim's critical tolerance at the bead seat diameter to be both consistent and accurate. In short, hookless is chosen to deliver a more safe, reliable, and ultimately proper tyre fitment.The ENVE 45 is optimised for use with tubeless tyres greater than 25mm wide. Features: Rim Material: Carbon Fibre Inner Rim Width: 21mm External Rim Width: 28mm Rim Depth: 45mm Rim Type: Clincher Tyre Compatibility: Tubeless 25c or larger Use: Road Bead: Wide Hookless Bead provides pot-hole protection Tubeless: Yes, Tubeless Optimised for rolling fast and fewer flats Hole Count: 24 Effective Rim Diameter: 568 Aero Optimised Tyre Size: 25-28c Spoke Type: Sapim CX Sprint Spoke Cross: 2x Freehub: Multiple options available to select separately Axle: Front: 100x12; Rear: 142x12 Single or Pair: Pair Included: 2x valve stems, 1x roll of tape (good for taping 3 wheels), 2x Pressure Relief Valve Stem Nuts and Wheel Manual and Wheelbuild Card Part Numbers: SRAM XD: EN00F451003114002; Shimano: EN00F451003114001 Weight: SRAM XD Option: 1541g; Shimano Option: 1561gTechnologies: Learning from the Best: To achieve the low drag and high stability performance the ENVE 45 offers, ENVE takes cues from its top of the line SES line up. This trickle-down approach from ENVE's top-of-the-line products means the ENVE 45's outperform, or perform similar to, competitor's wheels that are upmarket in price. Wide, Hookless Bead Teachnology: Featuring ENVE's Wide Hookless Bead technology, the ENVE 45 disperses any impact from pot holes, curbs and debris over a wide area, reducing the likelihood of pinch flats. Potholes and unforeseen impacts are part of life, but that doesn't mean they need to ruin your ride. The ENVE 45 features ENVE's patent pending Wide Hookless Bead which is a design element at the leading edge of the rim that dissipates impact energy and reduces the likelihood of pinch flatting your tubed or tubeless tyre. Patented Technology: Patented Molded Spoke and Valve Stem Hole Technology results in rims that are light and strong. Because carbon fibre gets its strength from continuous fibres, ENVE routes the fibres around the hole without cutting them which increases the strength of each spoke hole. ENVE's patented process of moulding spoke and valve stem holes results in rims that are stronger and lighter. Because carbon fibre gets its strength from continuous fibres, ENVE routes the fibres around the hole without cutting them, increasing the strength of each spoke hole. This technique pays large dividends in the final product by allowing for a lighter spoke face while improving rim strength. Because of this process, our spoke holes are capable of maintaining higher spoke tensions, greatly reducing the risk of spoke pull-through and the need to constantly true your wheels. Strong, light and maintenance-free. ENVE Foundation Road Hub: The ENVE Foundation Road Hub features ENVE's core hub technologies. The hub shell uses simplified machining without compromising flange geometry and wheel build stiffness. The drive mechanism uses Instant Drive 360 technology and a 40t ratchet to deliver responsive engagement, minimal drag, and low maintenance performance. The bearings are premium full contact sealed NTN steel bearings. The Rotor attachment is centre-lock. ENVE Has You Covered: The Foundation 45mm Wheelset comes with ENVE's leading Lifetime Incident Protection and 5 Year warranty. The 5 Year Warranty protects buyers from defects in material and workmanship. The Lifetime Incident Protection program protects owners from damage caused to their wheels while riding, crashing, or transporting their bikes.Buy ENVE Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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ENVE Foundation 65mm Carbon Road Wheelset - Black - Shimano HG}, Black
  • £1849.99

ENVE Foundation 65mm Carbon Road WheelsetThis race-ready road bike wheelset features a dependable carbon fibre construction, which makes it incredibly stiff when climbing and lightweight when descending. ENVE has also equipped this versatile model with a rim design that achieves low drag and high stability, so you can benefit from its trickle-down technologies that are normally only seen on the top-of-the-line SES series. One final highlight is this wheelset's wide hookless bead technology, which disperses impact from potholes, curbs and debris over a wide area. This reduces the likelihood of pinch flats and adds to a more confidence-inspiring ride. Whether you're training or competing, this wheelset is engineered for maximum performance.Features: Rim Material: Carbon Fibre, Centrelock rotor mount Inner Rim Width: 21mm External Rim Width: 28mm Rim Depth: 65mm Rim Type: Clincher Brake Compatibility: Disc brake Use: Road Hole Count: 24 Axle: Front: 12x100 Thru-Axle; Rear: 12x142 Thru-Axle Freehub: Multiple options available to select Spokes: Sapim CX Sprint Single or Pair: Pair Included: Tubeless Kit 2x valve stems, 1x roll of tape (good for taping 3 wheels), 2x Pressure Relief Valve Stem Nuts, Accessory Bag, Wheel Manual and Wheelbuild Card Wheelset Weight: 1641g (Pair)Technologies: Learning From The Best: To achieve the low drag and high stability performance the ENVE 65 offers, ENVE takes cues from its top of the line SES line up. This trickle down approach from ENVE's top-of-the-line products means the ENVE 65's outperform, or perform similar to, competitor's wheels that are upmarket in price. Wide Hookless Bead Technology: Featuring ENVE's Wide Hookless Bead technology, the ENVE 65 disperses any impact from pot holes, curbs and debris over a wide area, reducing the likelihood of pinch flats. Patented Technology: Patented Moulded Spoke and Valve Stem Hole Technology results in rims that are light and strong. Because carbon fibre gets its strength from continuous fibres, ENVE routes the fibres around the hole without cutting them which increases the strength of each spoke hole. ENVE Foundation Road Hub: The ENVE Foundation Road Hub features ENVE's core hub technologies. The hub shell uses simplified machining without compromising flange geometry and wheel build stiffness. The drive mechanism uses Instant Drive 360 technology and a 40t ratchet to deliver responsive engagement, minimal drag, and low maintenance performance. The bearings are premium full contact sealed NTN steel bearings. The Rotor attachment is centre-lock. ENVE Has You Covered: The Foundation 65mm Wheelset comes with ENVE's leading Lifetime Incident Protection and 5 Year warranty. The 5 Year Warranty protects buyers from defects in material and workmanship. The Lifetime Incident Protection program protects owners from damage caused to their wheels while riding, crashing, or transporting their bikes.Buy ENVE Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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ENVE Foundation 65mm Carbon Road Wheelset - Black - SRAM XDR}, Black
  • £1849.99

ENVE Foundation 65mm Carbon Road WheelsetThis race-ready road bike wheelset features a dependable carbon fibre construction, which makes it incredibly stiff when climbing and lightweight when descending. ENVE has also equipped this versatile model with a rim design that achieves low drag and high stability, so you can benefit from its trickle-down technologies that are normally only seen on the top-of-the-line SES series. One final highlight is this wheelset's wide hookless bead technology, which disperses impact from potholes, curbs and debris over a wide area. This reduces the likelihood of pinch flats and adds to a more confidence-inspiring ride. Whether you're training or competing, this wheelset is engineered for maximum performance.Features: Rim Material: Carbon Fibre, Centrelock rotor mount Inner Rim Width: 21mm External Rim Width: 28mm Rim Depth: 65mm Rim Type: Clincher Brake Compatibility: Disc brake Use: Road Hole Count: 24 Axle: Front: 12x100 Thru-Axle; Rear: 12x142 Thru-Axle Freehub: Multiple options available to select Spokes: Sapim CX Sprint Single or Pair: Pair Included: Tubeless Kit 2x valve stems, 1x roll of tape (good for taping 3 wheels), 2x Pressure Relief Valve Stem Nuts, Accessory Bag, Wheel Manual and Wheelbuild Card Wheelset Weight: 1641g (Pair)Technologies: Learning From The Best: To achieve the low drag and high stability performance the ENVE 65 offers, ENVE takes cues from its top of the line SES line up. This trickle down approach from ENVE's top-of-the-line products means the ENVE 65's outperform, or perform similar to, competitor's wheels that are upmarket in price. Wide Hookless Bead Technology: Featuring ENVE's Wide Hookless Bead technology, the ENVE 65 disperses any impact from pot holes, curbs and debris over a wide area, reducing the likelihood of pinch flats. Patented Technology: Patented Moulded Spoke and Valve Stem Hole Technology results in rims that are light and strong. Because carbon fibre gets its strength from continuous fibres, ENVE routes the fibres around the hole without cutting them which increases the strength of each spoke hole. ENVE Foundation Road Hub: The ENVE Foundation Road Hub features ENVE's core hub technologies. The hub shell uses simplified machining without compromising flange geometry and wheel build stiffness. The drive mechanism uses Instant Drive 360 technology and a 40t ratchet to deliver responsive engagement, minimal drag, and low maintenance performance. The bearings are premium full contact sealed NTN steel bearings. The Rotor attachment is centre-lock. ENVE Has You Covered: The Foundation 65mm Wheelset comes with ENVE's leading Lifetime Incident Protection and 5 Year warranty. The 5 Year Warranty protects buyers from defects in material and workmanship. The Lifetime Incident Protection program protects owners from damage caused to their wheels while riding, crashing, or transporting their bikes.Buy ENVE Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Zipp 353 NSW Carbon TL Rear Road Disc Wheel - Shimano HG}, Carbon
  • £1872.99

Zipp 353 NSW Carbon TL Rear Road Disc Wheel Offering increased stiffness, strength and an overall lower weight, this road bike rear wheel features a high-quality carbon hookless rim construction for conquering the demands of modern road cycling. Developed for greater versatility and speed, it's equipped with many of Zipp's finest performance-enhancing technologies including a Sawtooth rim shape and Total System Efficiency (TSE) that offer reduced wind resistance, rolling resistance and gravity vibration losses. Coming kitted out with 45mm deep rim shape, this model delivers fantastic speed on every terrain with best-in-class aerodynamic efficiency and crosswind stability. Tubeless, Hookless Road Bike Rear WheelThe 353 NSW is Zipp's lightest tubeless wheel yet, making it a fast-puncher ready to fight its way into the breakaway. Zipp's use of a hookless (straight side) rim in the 353 NSW is integral to achieving the brand's mission of Making You Faster. With hookless, the transition between the tyre and the rim is more seamless and aerodynamic. Zipp's hookless rims have more efficient resin distribution, which results in a lighter and highly durable rear wheel. Thanks to its 25mm internal rim width, its ideal for running wider tubeless tyres at reduced air pressure for improved stability, greater comfort and fewer chances of flats or punctures.Sawtooth Rim Shape with HyperFoilsZipp's 353 NSW's Sawtooth rim shape with Hyperfoils optimises aerodynamic efficiency and crosswind stability. The Sawtooth design also allows the rim to be structurally strong but remain lightweight, which will help you snap out of corners and maintain your speed no matter the terrain. Centre Lock Disc Brake CompatibilityReady for clocking up the miles, this rear wheel is equipped with Centre Lock disc brake compatibility, so riders can enjoy powerful and consistent braking operation wherever their ride takes them. This makes the Zipp 353 NSW Carbon TL Disc Center Lock Rear 2021 a great choice of upgrade for faster, smoother and more dependable performance on your road bike.Features: Rim Material: Carbon Rim Finish: Unidirectional (UD) Fibre Rim Graphics: Impress technology Axle Size: 12x142mm Use: Road Inner Rim Width: 25mm Rim Depth: 45mm Rim Shape: Symmetrical, Sawtooth Rim Profile: Hookless, Tubeless Clincher Hub: Cognition V2Freehub Compatibility: Multiple options available to select Drive Side Spoke Length: 258mm, 266mm Non Drive Side Spoke Length: 264mm, 266mm Size: 700c Tyre Compatibility: Tubeless tyres only Brake Compatibility: Centre Lock disc brake Single or Pair: Single Lifetime warranty Weight: 675gTechnologies: Impress: Zipp has employed ImPress graphics technology on this model, which prints graphics directly on the wheel, to help allow the dimples to do what they were design to do - help control vortex shedding, the rate at which air sheds off the wheel. Managing this is crucial to stability. Sawtooth: SawTooth is the name given to Zipp NSW's patented variable depth 53/58mm rims. Developed utilising the principles of the emerging science of biomimicry, Zipp engineers began the rigorous aero development process of SawTooth utilising the wind tunnel, CFD, and real-world testing. The result is a rim shape that takes nature's most elegant design solutions and combines engineering precision to deliver a wheel that performs unlike any made before. This patented rim shape achieves something conventional aero wheels cannot; it simultaneously reduces both aerodynamic drag and side force for the ultimate in AeroBalance. Sawtooth accomplishes this with a series of patented fin-shaped Hyperfoil nodes along the inner diameter of the rim that work together with HexFin ABLC dimples for improved airflow. The result is Zipp's highest performing wheel ever released with both aero-drag reduction and reduced side force at all wind yaw angles. This is important because higher wind yaw angles are where bike handling is most affected by the wind. Hyperfoil: Hyperfoil is the name given to the individual nodes on Zipp NSW variable depth Sawtooth rims. Each of these patented structures features Zipp's HexFin ABLC dimples that help to stabilize handling in gusting wind by increasing wind vortex shedding frequency. The higher frequency vortex shedding produced by Sawtooth creates a greater number of smaller, less powerful, yet more predictable vortices leading to greater wheel stability. This added stability translates into greater rider control, thereby saving energy that is typically expended trying to hold a line in gusting wind. The result is a faster, more confident riding experience whether you are laying down power or descending sinuous mountain roads.Hexfin ABLC: HexFin ABLC dimples are the hexagonally shaped depressions found at each Hyperfoil of our Sawtooth shaped NSW rims. The angular shape of each dimple increases boundary layer mixing to help keep airflow attached to the rim for reduced aerodynamic drag and improved stability in crosswinds. To further improve the effectiveness of the hexagonal dimples, they are arranged in fin-shaped clusters made up of variable sized dimples that work in concert with each Hyperfoil of a Sawtooth rim.Axial Clutch: With Cognition's Axial Clutch technology, Zipp reduced drag by disengaging the ratchet mechanism when coasting. With less internal hub drag a rider can pedal less when drafting in a headwind, achieve higher speeds when coasting in an aero tuck, or opt to stop pedalling a moment sooner before entering a corner and bank that wattage for use exiting the corner. Axial Clutch technology also allows riders to maintain speed through corners that don't require braking input, thereby increasing corner exit speeds. Inside the Axial Clutch mechanism Zipp use magnets, rather than steel springs, to move and engage the lightweight Metal Injection Molded (MIM) ratchet rings for unmatched reliability and consistent operation. With 36 points of engagement that all interlock simultaneously, there isn't a more secure freehub mechanism on the market. TSE Technology: Zipp's TSE Technology (Total System Efficiency) was developed by its engineers in the Nest Advanced Development Lab in Indy. This approach to carbon-wheel manufacturing means the wheel's precise rim layup results in greater all-around efficiency for greater speed through reduced: Wind resistance, rolling resistance and gravity (weight + durability) vibration losses.Manufacturer's Part Numbers: Shimano HG 10/11 speed: ZPWH8613000 SRAM XD 10/11/12 speed: ZPWH8613001Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Zipp 353 NSW Carbon TL Rear Road Disc Wheel - XD}, Carbon
  • £1872.99

Zipp 353 NSW Carbon TL Rear Road Disc Wheel Offering increased stiffness, strength and an overall lower weight, this road bike rear wheel features a high-quality carbon hookless rim construction for conquering the demands of modern road cycling. Developed for greater versatility and speed, it's equipped with many of Zipp's finest performance-enhancing technologies including a Sawtooth rim shape and Total System Efficiency (TSE) that offer reduced wind resistance, rolling resistance and gravity vibration losses. Coming kitted out with 45mm deep rim shape, this model delivers fantastic speed on every terrain with best-in-class aerodynamic efficiency and crosswind stability. Tubeless, Hookless Road Bike Rear WheelThe 353 NSW is Zipp's lightest tubeless wheel yet, making it a fast-puncher ready to fight its way into the breakaway. Zipp's use of a hookless (straight side) rim in the 353 NSW is integral to achieving the brand's mission of Making You Faster. With hookless, the transition between the tyre and the rim is more seamless and aerodynamic. Zipp's hookless rims have more efficient resin distribution, which results in a lighter and highly durable rear wheel. Thanks to its 25mm internal rim width, its ideal for running wider tubeless tyres at reduced air pressure for improved stability, greater comfort and fewer chances of flats or punctures.Sawtooth Rim Shape with HyperFoilsZipp's 353 NSW's Sawtooth rim shape with Hyperfoils optimises aerodynamic efficiency and crosswind stability. The Sawtooth design also allows the rim to be structurally strong but remain lightweight, which will help you snap out of corners and maintain your speed no matter the terrain. Centre Lock Disc Brake CompatibilityReady for clocking up the miles, this rear wheel is equipped with Centre Lock disc brake compatibility, so riders can enjoy powerful and consistent braking operation wherever their ride takes them. This makes the Zipp 353 NSW Carbon TL Disc Center Lock Rear 2021 a great choice of upgrade for faster, smoother and more dependable performance on your road bike.Features: Rim Material: Carbon Rim Finish: Unidirectional (UD) Fibre Rim Graphics: Impress technology Axle Size: 12x142mm Use: Road Inner Rim Width: 25mm Rim Depth: 45mm Rim Shape: Symmetrical, Sawtooth Rim Profile: Hookless, Tubeless Clincher Hub: Cognition V2Freehub Compatibility: Multiple options available to select Drive Side Spoke Length: 258mm, 266mm Non Drive Side Spoke Length: 264mm, 266mm Size: 700c Tyre Compatibility: Tubeless tyres only Brake Compatibility: Centre Lock disc brake Single or Pair: Single Lifetime warranty Weight: 675gTechnologies: Impress: Zipp has employed ImPress graphics technology on this model, which prints graphics directly on the wheel, to help allow the dimples to do what they were design to do - help control vortex shedding, the rate at which air sheds off the wheel. Managing this is crucial to stability. Sawtooth: SawTooth is the name given to Zipp NSW's patented variable depth 53/58mm rims. Developed utilising the principles of the emerging science of biomimicry, Zipp engineers began the rigorous aero development process of SawTooth utilising the wind tunnel, CFD, and real-world testing. The result is a rim shape that takes nature's most elegant design solutions and combines engineering precision to deliver a wheel that performs unlike any made before. This patented rim shape achieves something conventional aero wheels cannot; it simultaneously reduces both aerodynamic drag and side force for the ultimate in AeroBalance. Sawtooth accomplishes this with a series of patented fin-shaped Hyperfoil nodes along the inner diameter of the rim that work together with HexFin ABLC dimples for improved airflow. The result is Zipp's highest performing wheel ever released with both aero-drag reduction and reduced side force at all wind yaw angles. This is important because higher wind yaw angles are where bike handling is most affected by the wind. Hyperfoil: Hyperfoil is the name given to the individual nodes on Zipp NSW variable depth Sawtooth rims. Each of these patented structures features Zipp's HexFin ABLC dimples that help to stabilize handling in gusting wind by increasing wind vortex shedding frequency. The higher frequency vortex shedding produced by Sawtooth creates a greater number of smaller, less powerful, yet more predictable vortices leading to greater wheel stability. This added stability translates into greater rider control, thereby saving energy that is typically expended trying to hold a line in gusting wind. The result is a faster, more confident riding experience whether you are laying down power or descending sinuous mountain roads.Hexfin ABLC: HexFin ABLC dimples are the hexagonally shaped depressions found at each Hyperfoil of our Sawtooth shaped NSW rims. The angular shape of each dimple increases boundary layer mixing to help keep airflow attached to the rim for reduced aerodynamic drag and improved stability in crosswinds. To further improve the effectiveness of the hexagonal dimples, they are arranged in fin-shaped clusters made up of variable sized dimples that work in concert with each Hyperfoil of a Sawtooth rim.Axial Clutch: With Cognition's Axial Clutch technology, Zipp reduced drag by disengaging the ratchet mechanism when coasting. With less internal hub drag a rider can pedal less when drafting in a headwind, achieve higher speeds when coasting in an aero tuck, or opt to stop pedalling a moment sooner before entering a corner and bank that wattage for use exiting the corner. Axial Clutch technology also allows riders to maintain speed through corners that don't require braking input, thereby increasing corner exit speeds. Inside the Axial Clutch mechanism Zipp use magnets, rather than steel springs, to move and engage the lightweight Metal Injection Molded (MIM) ratchet rings for unmatched reliability and consistent operation. With 36 points of engagement that all interlock simultaneously, there isn't a more secure freehub mechanism on the market. TSE Technology: Zipp's TSE Technology (Total System Efficiency) was developed by its engineers in the Nest Advanced Development Lab in Indy. This approach to carbon-wheel manufacturing means the wheel's precise rim layup results in greater all-around efficiency for greater speed through reduced: Wind resistance, rolling resistance and gravity (weight + durability) vibration losses.Manufacturer's Part Numbers: Shimano HG 10/11 speed: ZPWH8613000 SRAM XD 10/11/12 speed: ZPWH8613001Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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