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Mavic Cosmic SLR 65 Road Disc Wheelset - Black - Shimano HG}, Black
  • £1549.99
  • RRP £1890.00
  • Saving you £18

Mavic Cosmic SLR 65 Road Disc WheelsetPerfectly suited for road bikes with disc brakes, this wheelset is the fastest of the Cosmic SLR family when it comes to accelerating on the flats and slicing through the wind. Its lightweight 65mm 100% carbon fibre rim construction offers minimal drag, while its 26mm wide profile ensures that it remains stable during crosswinds. Mavic has also equipped it with its patented elliptical spokes that save an extra 5 watts to maximise your riding efficiency.Lightweight Carbon Fibre Road Bike WheelsetWith an updated rim laminate and local reinforcement, this wheelset benefits from a lower overall weight. Another key factor in efficiency is rolling resistance, which Mavic has addressed with its updated UST Road Tubeless system that makes it easier than ever to mount and change tyres. No tube means no friction, and more air volume means a smoother, faster ride. Exclusive Fore Carbon technology attaches the spokes to the rim without the need to drill the upper rim bed. With the revised rim bed shape, no tape is needed, eliminating any hassles and saving 30g per rim. Infinity Hub and Instant Drive 360 FreewheelThis wheelset comes complete with Mavic's renowned Infinity hub platform, which optimises spoke lacing and tension for maximum power transfer. In addition, its Instant Drive 360 freewheel, coupled with automatic bearing preload (QRM Auto), provides fast engagement, high stiffness and added durability. With Shimano and SRAM XD-Road driver body options to choose from, this wheelset also converts to Campagnolo with an optional driver body (available separately). It's compatible with 12x100 axle up front, and 12x142 rear, and can convert to Quick Release with supplied adaptors. For Centre-Lock disc rotors only.Features: Rim Material: 100% Carbon Fibre Hub Material: Front and Rear Bodies: Aluminium; Axle: Aluminium Spoke Material: Steel Use: Road, Triathlon Internal Rim Width: 19mm Height: 64mm ETRTO: 622x19TC Road Tubeless Ready: Yes, UST tubeless technology and Fore Carbon tapeless tubeless technology Tyre Compatibility: UST Tubeless and Tube type Brake Type: Disc brake specific profile, Centre-Lock Recommended Tyre Sizes: 25 to 32mm Front Axle: 12x100 thru-axle, easily convertible to quick release with included adaptors. Not compatible with 15mm through axles Rear Axle: 12mm thru-axle, convertible to Quick Release with optional adaptors Freewheel: Multiple options available to select from the drop-down menu Hub Technologies: Infinity Hubs, Instant Drive 360 freewheel technology and QRM Auto bearing preload technology Spoke Count: Front and Rear: 24 Spoke Lacing: Front and Rear: Crossed 2, contactless Spoke Shape: Straight pull, elliptical aero, double-butted (patented) Spoke Nipples: Fore integrated Aluminium ASTM Category 2: Road and off-road with jumps less than 15cm Included: UST valve and accessories, user guide Max Rider Weight: 120kg (including bike) Weight: Pair: 1570g (Front: 720g; Rear: 850g)Mavic Lifetime Warranty and Updated Crash Replacement ProgramWarranty InformationStarting with Model Year 2021 products, Mavic offer a lifetime guarantee for its carbon wheels. This guarantee applies only to the original owner when they have been registered within 2 months of their purchase.These warranties cover material and manufacturing defects that would appear during normal use of the product with the exception of "wear" parts. All the information on how to register comes inside the box.Crash Replacement ProgramMavic recognise that accidents can occur and are aware of what your investment in your bicycle equipment means as well as the frustration of breaking your equipment during a fall. If your product has been registered within 2 months of purchase, Mavic offer to replace it with an identical or equivalent product according to the following tariff schedule:- 50% off the public price recommended by Mavic for wheels with less than 2 years of use.- 40% off the public price recommended by Mavic for wheels with between 2 and 5 years of use.- 30% of the public price recommended by Mavic for wheels with between 6 and 10 years of use.Manufacturer's Part Numbers:LP1517100 Black 700c Shimano LP1518100 Black 700c SRAM XD XDRBuy Mavic Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fulcrum Speed 55 Disc Road Wheelset 2021 - Black - 700c}, Black
  • £1550.00
  • RRP £1899.99
  • Saving you £18

Fulcrum Speed 55 Disc Road WheelsetFeaturing two high-quality full carbon rims, this road bike wheelset ensures maximum stiffness and strength without any weight penalty. Thanks to its carbon rim construction and carbon fibre finishing, this model makes climbing easier and when it's time to descend, you won't have to worry about any excess grams holding you back. Fulcrum has also equipped this version with many of its finest technologies, including 2-Way Fit so it can be used with or without tubeless tyres. With the ability to run lower tyre pressures, riders will enjoy performance benefits such as greater stability, increased comfort and fewer chances of flats or punctures as they race for the podium.Wind Tunnel Tested Carbon Fibre WheelsetThe manufacturing process of the carbon fibre rim without holes in the internal channel - a patented construction technology - also allows a stronger and sturdier construction capable of withstanding even the most extreme racing conditions. The rim with a 19mm inner width perfectly matches recent trends of using increasingly wider tyres - a choice that further improves the aerodynamic performance of the wheel/tyre system. This data has been validated by intensive wind tunnel studies and trials where new projects are tested on a regular basis. Speed 55 DB proved to be the best option in terms of aerodynamic penetration indexes in the Fulcrum range and is derived from the profiles developed for the tubular version used by World Tour teams.Lightweight and Aerodynamic PerformanceThe Speed range not only responds in terms of aerodynamic performance. Optimising performance also requires the wheels to be light and run smooth. The Fulcrum Speed 55 Disc Road Wheelset weighs in at only 1580g and comes complete with ceramic USB bearings, so riders can enjoy smooth and dependable rolling performance as they race towards victory. Features: Rim Material: Full Carbon Rim Finish: Carbon Fibre finishing Axle Compatibility: Front: 12-100mm; Rear: 12-142mm Use: Road, Triathlon Rim Profile Height: Deep section Rim Height: Front and Rear: 55mm Rim Width: 26.5mm Inner Rim Width (Channel): 19mm Tyre Type: 2-Way Fit (for clincher and tubeless) Tyre Size: 700c Tyre Width: From 23mm to 50mm Braking System: Disc brake Braking Surface: AFS Spoke Count: Front: 21, Two-to-one (14 left - 7 right); Rear: 21, Two-to-one (7 left - 14 right) Spokes Material: Stainless Steel, double-butted Spokes Profile: Rounded Nipples: Aluminium Front Hub: Carbon, Oversized Aluminium flange Rear Hub: Aluminium, Oversized Aluminium flange Bearings: USB ceramic bearings. Adjustable Cup & Cones system Freehub Type: Shimano ASTM Category: 2 Others: Plasma treated HG freewheel. Aluminium Axle Weight Limit: 120kg (rider,bike, equipment and luggage) Single or Pair: Pair Weight: 1580g Manufacturer's Part Number: FULC0146726 Black 700c ShimanoBuy Fulcrum Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Mavic Cosmic SLR 45 700c Wheelset
  • £1550.00
  • RRP £1890.00
  • Saving you £18

This all-new carbon wheelset is a great choice for road riders aiming to be fast and efficient in all types of riding and racing situations. Not only does the 45mm airfoil rim slice through the wind with minimal drag, but it’s also amongst the lightest in its category. This season, the external carbon layer features our new UD² construction for a distinctive look and an even lighter rim laminate, saving another 15g per rims.A new rim laminate coupled with our exclusive Fore Carbon technology leaves the upper rim bridge intact and reinforces the rim only where needed, saving 40g per rim. The spokes attach to the rim without any need to drill the upper rim bed, so no rim tape is required. That means more weight savings (30g) and less hassle when it comes to set up or repair tubeless tyres. The new shape of the rim bed makes it easier than ever to mount and remove tires. UST Tubeless setup means no tube, so no friction, and more air volume means a smoother ride. The result is a faster ride with super low rolling resistance. At last, our patented elliptical spokes save another 5 watts.Our new Infinity hub platform optimizes the spoke lacing for efficient power transfer through highly controlled spoke tension. The Instant Drive 360 freewheel with automatic bearing preload adjustment (QRM Auto) provides fast engagement, high stiffness and added durability. It's available for Shimano and SRAM XD-Road driver bodies and can convert to Campagnolo with an optional driver body. It's compatible with a 12x100 axle up front, and 12x142 rear, and converts to Quick Release with supplied adapters. For Center Lock disc rotors only.These wheels are designed, engineered and patented by Mavic in Annecy, France, and are 100% handmade in our European carbon factory.Key Benefits:Accelerate and climb faster, hold higher speedNew UD² rim laminate and Fore Carbon spoke attachment save 55g and eliminate rim tape (another 30g saved per wheel) 45mm deep, 26mm wide NACA rim profile optimized for disc brakes Patented lightweight aero spokesStiffer wheel for improved power transferFore Carbon technology keeps the rim upper bridge solid and makes the rim stiffer New Infinity hub plaform: stiff axle, durable bearings and new hub design optimize lacing and spokes tension ID360 freewheel technology for instant power transferImproved UST Road delivers more speed, comfort and control in an easy to use tubeless systemNo tubes means less friction, better efficiency and grip, and a reduced risk of punctures New rim bed shape makes it easier to mount and change tires Fore Carbon drilling technology doesn't require the use of rim tape

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Mavic Cosmic SLR 32 DCL Wheelset
  • £1550.00
  • RRP £1890.00
  • Saving you £18

With a new, lighter weight 32mm carbon rim and easier to use Road Tubeless technology, this superlight disc-brake wheel is an instant performance boost, especially on steep climbsWhen you’re gunning for the KOM on the toughest mountain climbs, nothing gives you more of a boost than a light and snappy carbon wheelset. This newcomer in the Cosmic family takes over the venerable Ksyrium Pro Carbon SL Disc. It features a reengineered carbon rim that’s the lightest in its category. Its 32mm airfoil shape slices through wind, and because the rim is made specifically for disc brakes, you’ll have more confidence and control on the descents.The rim is crafted with a new laminate and our exclusive Fore Carbon technology that leaves the upper rim bridge intact and reinforces the rim only where needed. This saves 40g per wheel. The spokes attach to the rim without any need to drill the upper rim bed, so no rim tape is required. That means more weight savings (30g per wheel) and less hassle. The new shape of the rim bed makes it easier than ever to mount and remove tires, and you get super low rolling resistance with our UST Tubeless setup. No tube means no friction, and more air volume means a smoother, faster ride. It also uses our patented elliptical spokes to save another 5 watts and make you faster.Our new Infinity hub platform optimizes spoke lacing for efficient power transfer through highly controlled spoke tension. Our Instant Drive 360 freewheel, coupled with our automatic bearing preload adjustment (QRM Auto), provides fast engagement, high stiffness and added durability. It's available for Shimano and SRAM XD-Road and can convert to Campagnolo with an optional driver body. It's compatible with 12x100 axle up front, 12x142 rear, and you can convert to Quick Release with the supplied adapters. For Center Lock disc rotors only.These wheels are designed, engineered and patented by Mavic in Annecy, France, and are 100% handmade in our European carbon factory.Key benefitsInstant acceleration, improved climbing capabilities32mm deep/28mm wide NACA profile optimized for disc brakes Fore Carbon spoke attachment saves 40g and eliminates rim tape (another 30g saved per wheel) Patented lightweight aero spokesStiffer wheel for improved power transferFore Carbon technology keeps the rim upper bridge solid and makes the rim stiffer New Infinity hub plaform: stiff axle, durable bearings and new hub design with optimized lacing and spoke tension ID360 freewheel technology for instant power transferImproved UST Road delivers more speed, comfort and control in an easy to use tubeless systemNo tubes means less friction, better efficiency and grip, a reduced risk of punctures New rim bed shape makes it easier to mount and change tires Fore Carbon drilling technology doesn't require the use of rim tape

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Enve Foundation 65 Wheelset
  • £1550.00
  • RRP £2100.00
  • Saving you £26

Enve Road Foundation Wheelset 65mm Enve Alloy HubKey Features:Rim Depth - 65mm (Front and Rear),Disc brake only,Internal molded spoke holes,Hole count - 24/24,Wheelset Weight - 1621g,Aero optimized for 25c to 28c tubeless tires,Tubeless tire compatible only,Hookless construction,May run inner-tubes with tubeless tire,Hub - new enve foundation road alloy w/ id360 40t ratchet,Spokes - Sapim CX Sprint,(Available as complete wheelset only).

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Mavic Cosmic SLR 65 Disc 700c Wheelset
  • £1550.00
  • RRP £1890.00
  • Saving you £18

The Cosmic name has always been synonymous with speed and performance. This 65mm version for disc brakes is no exception, and it’s the fastest of the family when it comes to hammering the flats and in the wind.The 65mm deep airfoil rim slices through the wind with minimal drag, and its 26mm wide profile makes it highly stable in crosswind. It also uses our patented elliptical spokes that save another 5 watts to maximize your efficiency.Another key factor in efficiency is rolling resistance, which we address with our updated UST Road Tubeless system that makes it easier than ever to mount and change tires. No tube means no friction, and more air volume means a smoother, faster ride. Exclusive Fore Carbon technology attaches the spokes to the rim without the need to drill the upper rim bed. With the new rim bed shape, no tape is needed, eliminating any hassles and saving 30g per rim.We further lowered the weight of the rim with a new laminate and local reinforcement.Our new Infinity hub platform optimizes spoke lacing and tension for maximum power transfer.The Instant Drive 360 freewheel, coupled with automatic bearing preload (QRM Auto), provides fast engagement, high stiffness and added durability. It's available with Shimano or SRAM XD-Road driver bodies and converts to Campagnolo with an optional driver body. It's compatible with 12x100 axle up front, and 12x142 rear, and can convert to Quick Release with supplied adapters. For Center Lock disc rotors only.KEY BENEFITSUnbeatable aero efficiency and added stability in crosswinds65mm deep/26mm wide NACA rim profile produces super low drag and stability in cross windsPatented lightweight aero spokesFaster acceleration and powerful braking performanceNew Infinity hub plaform: stiff axle, durable bearings and new hub design with ID360 freewheel technologyNew rim design eliminates need for tape, saving 30gPurpose-built for disc brakesImproved UST Road delivers more speed, comfort and control in an easy to use tubeless systemNo tubes means less friction, better efficiency and grip, and a reduced risk of puncturesNew rim bed shape makes it easier to mount and change tiresFore Carbon drilling technology doesn't require the use of rim tape

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Campagnolo Bora WTO 33 Carbon Clincher Disc Brake Wheelset - Shimano/SRAM
  • £1558.99
  • RRP £1850.00
  • Saving you £16

Campagnolo introduces the first aerodynamic Disc Brake wheel with a 33 mm profile. Each component of this wheel has been optimized in the wind tunnel in order to improve its aerodynamic performance. It therefore delivers multiple benefits that can be noted on different routes, from the most demanding of sprints to relaunching after a bend, while still ensuring efficiency on the flat and now also suitable for the hardest uphill finishes! It is a turning point in the all-rounder segment: a truly multi-purpose wheel. The wheel features carbon rims with a unidirectional aerodynamic finish, new aerodynamic aluminium hubs, and the ceramic USB cup-and-cone bearing system: every design choice has been made with a view to optimising performance. The profile of the rim, which has an internal diameter of 19 mm, corresponds perfectly with 23 mm, 25 mm and 28 mm tyres. In addition, with the 2-Way Fit version, Campagnolo offers its tried-and-tested technology with full compatibility with clincher and tubeless tyres. While the key purpose of these wheels is to deliver extreme performance, safety is also guaranteed thanks to the G3 spoking system with double spokes on the left of the front wheel, to ensure balanced and safe braking in all conditions. Available versions: dark label, Campagnolo freewheel hub, HG or XDR 1485g Clincher/Tubeless Ready - 2-Way Fit 100x12 Front/142x12 Rear Rim Height - 33mm Rim material - Carbon Internal rim diameter - 19mm Supplied with 35mm Tubeless valve, 35mm valve extender, bushing to reduce the size of valve hole, 2 levers in composite material for tyre removal, User Manual

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Fulcrum Speed 40T Disc Brake Wheelset - Shimano/SRAM
  • £1559.99
  • RRP £2299.99
  • Saving you £32

Created to give maximum results when racing: for this reason, every single detail of these road bike wheels has been studied to make the difference. Lightness, smoothness, ease of handling: Speed 40T DB sets new limits. Ready to perform just as you to sprint towards your goal: the finish line! Features: Front Axle: Bolt Thru 12x100 Rear Axle: Bolt Thru 12x142 Adapt to QR with optional accessories available separately

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Fast Forward F9R DT350 Carbon Road Wheelset - Black - 700c}, Black
  • £1567.99

Fast Forward F9R DT350 Carbon Road WheelsetPowerful, stiff and stable, the Fast Forward F9D DT350 road wheels feature full carbon rims with fast forwards DARC profiling and DT Swiss 350 hubs. Ideal for time trial and triathlon racing, these highly efficient and ultra-aerodynamic wheels roll fast and ensure superb crosswind stability in demanding weather conditions. Plus, these rims are tubeless ready, making a tubeless setup easy for faster rolling speeds, more grip and virtually eliminates punctures. Tubeless Ready 90mm Rim DepthThis wheel's sophisticated profile and height ensures efficient aerodynamic performance and stability in all race conditions. Plus, the rim has an outer width of 23 mm, an inner width of 19 mm, a height of 90 mm and applies a patented DARC profile for excellent aerodynamic properties. The rim is designed for caliper rim brakes and its paint and decals are applied to the outer edge of the rim. Features: Use: Time Trial, Triathlon Rim Model: F9 Rim 90mm Rim Height: 90mm Rim Material: Full Carbon DARC Hubs: DT Swiss 350, quick release External Rim Width: 27mm Internal Rim Width: 19mm Weight Limit: 100kg Max Tyre Pressure: 100psi 3 Year Warranty Hand built in Holland Weight: 1.88kgBuy Fast Forward Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Zipp AM 858 NSW Carbon Tubeless Disc Brake Center Locking 700c Front Road Wheel
  • £1585.00

AM 858 NSW Carbon Tubeless Disc Brake Center Locking 700c Front 20SpokesStandard Graphic C1The 858 NSW is fastestWith a 28mm tire. In triathlon, running wider tubeless tires at lower pressure makes you faster while also smoothing out the ride so you save energy for the run or another attack.858 NSW Tubeless Disc BrakeZipp’s ultimate aero weapon is faster than ever, thanks to our proprietary Total System Efficiency technology. With TSE, the 858 NSW Carbon Tubeless Disc-brake wheelset features a tubeless and hookless rim profile for seamless tire interface and huge drop in weight. The 858 gives you the benefits of our deep rims at weight typically associated with rims that are 20mm shallower. The wheel’s internal width is 23mm, ideal for running wider tires with lower pressures for decreased rolling resistance. That’s how TSE technology helps you conquer the four barriers to speed: Wind Resistance, Gravity, Rolling Resistance, and Vibration Losses. The 858 NSW’s undulating 82mm-85mm deep rim shape, our patented Sawtooth profile, is our highest performing design for aero efficiency and crosswind stability.The 858 NSW features Zipp’s Carbon Internal Reinforcement (CiR), which creates a rim that is 10% lighter and just as strong as previous wheels. The result is the pure speed, especially for triathletes, time trial specialist, and any other speed freak. What’s more, while this wheelset is optimized for tubeless tires, you still have the option to run tubeless ready tires with tubes. The 858 NSW is fastest with a 28mm tire. In triathlon, running wider tubeless tires at lower pressure makes you faster while also smoothing out the ride so your body is fresher for the run or another attack. Disc brakes also offer more reliable speed modulation and braking power in all weather conditions. At the center of the 858 NSW is the Cognition V2 Hubset engineered with the Axial Clutch V2 mechanism for quicker engagement and lower friction as well as improved durability. Key Features:Zipp’s most advanced and fastest deep-rim wheel for road, triathlon, and time trialing,More than 243 grams lighter that previous model,Optimized tire bed for easy tire installation,TSE for greater efficiency and reduced rolling resistance,Sawtooth rim and HexFin ABLC dimple pattern for top aero and crosswind-stability performance with an undulating rim depth,Cognition V2 hubset rolls efficiently whether you are pedaling or coasting. Its Axial Clutch V2 technology reduces drag and lowers friction,Ships with 12mm front and rear end caps,Center locking rotor interface. Lockring is included with the wheels,XDR or SRAM/Shimano™driver bodies,Campagnolo® N3W Driver body sold separately Zipp graphics applied using Zipp’s ImPress direct-print technology,Minimum 25mm tire width,28mm tire is the optimum width for all riders,Lifetime Warranty.Specification:Rim Depth: 85 mm,Rim Inside Width: 23 mm,Weight (g): 1530 grams,Rim Construction: Carbon-Hookless,Tire Compatibility: Tubeless tires only.

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Zipp 454 NSW Carbon Tubeless Disc Brake Wheels - Rear - Shimano Freehub
  • £1590.00
  • RRP £1873.00
  • Saving you £15

Zipp s 454 NSW Carbon Tubeless Disc Brake is the ultimate road racing wheelset. This wheel delivers everything the performance cyclist demands. It s aerodynamically efficient and stable in all wind conditions. What s more, a wider rim is designed for tubeless tyres at lower pressure for reduced rolling resistance and vibration damping, so you ll lose as little energy as possible out on the road. This wheel is optimized for 25mm tubeless tyres for all out speed.Technology: Total System Efficiency, ImPress, Sawtooth & Axial Clutch V2Cognition hub set rolls efficiently whether you are pedalling or coasting with Axial Clutch V2 technology The 454 NSW Tubeless Disc Brake is roughly a pound (more than 400 grams) lighter than its predecessorTSE for greater efficiency and reduced rolling resistanceSawtooth rim with Hyperfoil nodes and Hex Fin ABLC dimple pattern for top aero and cross wind stability performance with an undulating 53/58mm rim depth Zipp graphics applied using Zipp s ImPress direct-print technologyXDR SRAM/Shimano driver bodies Ships with 12mm front and rear end capsCentre locking rotor interface.Lockring is included with the wheels Campagnolo driver body sold separatelyFront 631g / Rear 727gLifetime WarrantyThe 454 NSW features Zipp s most advanced technologies. Its undulating 58mm Sawtooth rim shape with Hyperfoils is Zipp s most aerodynamic and stable wheel in the 404 family. The 454 NSW Tubeless Disc brake wheelset is roughly a pound (more than 400 grams) lighter than its predecessor! Zipp s use of hookless (straight side) rims in the 454 NSW is integral to making you faster. With hookless, the transition between the tyre and the rim is more seamless and aero. Zipp s hookless rims have more efficient resin distribution, which means lighter, stronger wheels. Outdoor testing commissioned by Zipp revealed the real-world gains of Zipp Total System Efficiency (TSE). A bike-and-rider system weighing 85kg (187lbs) on the new 454 NSW with 25mm tyres required 278 watts to maintain a speed of 40kph. That s a 10-watt savings compared with the previous model 454 NSW. At the centre of the 454 NSW is the Cognition V2 hub set re-engineered with an updated Axial Clutch V2 mechanism for quicker engagement, lower friction, and improved durability. 

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Zipp 454 NSW Carbon Tubeless Disc Brake Wheels - Rear - SRAM XD
  • £1590.00
  • RRP £1873.00
  • Saving you £15

Zipp s 454 NSW Carbon Tubeless Disc Brake is the ultimate road racing wheelset. This wheel delivers everything the performance cyclist demands. It s aerodynamically efficient and stable in all wind conditions. What s more, a wider rim is designed for tubeless tyres at lower pressure for reduced rolling resistance and vibration damping, so you ll lose as little energy as possible out on the road. This wheel is optimized for 25mm tubeless tyres for all out speed.Technology: Total System Efficiency, ImPress, Sawtooth & Axial Clutch V2Cognition hub set rolls efficiently whether you are pedalling or coasting with Axial Clutch V2 technology The 454 NSW Tubeless Disc Brake is roughly a pound (more than 400 grams) lighter than its predecessorTSE for greater efficiency and reduced rolling resistanceSawtooth rim with Hyperfoil nodes and Hex Fin ABLC dimple pattern for top aero and cross wind stability performance with an undulating 53/58mm rim depth Zipp graphics applied using Zipp s ImPress direct-print technologyXDR SRAM/Shimano driver bodies Ships with 12mm front and rear end capsCentre locking rotor interface.Lockring is included with the wheels Campagnolo driver body sold separatelyFront 631g / Rear 727gLifetime WarrantyThe 454 NSW features Zipp s most advanced technologies. Its undulating 58mm Sawtooth rim shape with Hyperfoils is Zipp s most aerodynamic and stable wheel in the 404 family. The 454 NSW Tubeless Disc brake wheelset is roughly a pound (more than 400 grams) lighter than its predecessor! Zipp s use of hookless (straight side) rims in the 454 NSW is integral to making you faster. With hookless, the transition between the tyre and the rim is more seamless and aero. Zipp s hookless rims have more efficient resin distribution, which means lighter, stronger wheels. Outdoor testing commissioned by Zipp revealed the real-world gains of Zipp Total System Efficiency (TSE). A bike-and-rider system weighing 85kg (187lbs) on the new 454 NSW with 25mm tyres required 278 watts to maintain a speed of 40kph. That s a 10-watt savings compared with the previous model 454 NSW. At the centre of the 454 NSW is the Cognition V2 hub set re-engineered with an updated Axial Clutch V2 mechanism for quicker engagement, lower friction, and improved durability. 

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