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Zipp 303 Firecrest Carbon Clincher Disc Brake Rear Wheel - Shimano / Sram (9/10/11)
  • £686.00
  • RRP £915.00
  • Saving you £25

Zipp s 303 Firecrest Tubeless Disc-brake wheel is designed for the real world a world of imperfect conditions, road surfaces, and elements where the bottom line is simple. Efficiency = speed. It s faster, lighter, and more capable over varied terrain, whether the surface is pavement in all its conditions or no pavement at all. New Zipp graphics and cosmetic identity that scream speedVersatile endurance wheel for the modern road bike with tubeless and hookless rim profileLighter Weight than its predecessor, making it nimble and fast.Tubeless Made Easy, optimised tyre bed sign allows for simple tool-free installation and removal with no need for an air compressor to seat the tyre.Ultra-wide 25mm rim profile creates a better tyre interface to be fast on or off the roadNew 40mm rim depth makes a light and aero wheel in every situationNew ZR1 DB hub is engineered in Germany with better seal design for improved durability and quicker response with 66 points of engagementShips with 12mm front and rear end capsCentre locking rotor interface. Lock ring is included with the wheelsXDR or SRAM/Shimano driver bodiesCampagnolo driver body sold separatelyDeeply rooted in Zipp s drive to conquer the Spring Classics, the new 303 Firecrest is remade with a purpose-made approach for the demands of modern road bikes. When it comes to going fast on a bicycle, efficiency means reduced: Wind resistance, rolling resistance, rider fatigue, weight. The 303 Firecrest Tubeless Disc-brake was designed using real-world direct measurements (vs. primarily wind tunnel or computer simulation). The results were huge. Its rim is slightly more bulbous in design than its predecessor, with a 30mm outside width, a 25mm internal width, and a 40mm rim depth. The profile provides low drag and an improved transition between rim and tyre, boosting aero efficiency on the road. The wide rim stance also features less tyre deflection for reduced rolling resistance. The combination of the wider tyre, increased tyre volume, and lower tyre pressure helps to reduce rider fatigue by smoothing out the ride over imperfect pavement and road conditions the tyre and wheel system absorbs the shaking, not the rider. At the centre of the 303 Firecrest Tubeless Disc brake is a versatile and durable new hub, the German-engineered ZR1 DB. This hub features 66 points of engagement for quicker response. The 303 Firecrest Tubeless Disc-brake wheel is for dedicated cyclists who aspire to the latest in technology. Its competitors in races, against peers, or simply conquering personal limits. This is about becoming faster and matching your motivation to the most advanced technology.Orientation (wheels): RearSize (wheels): 700cRim construction: CarbonTire compatibility: Clincher Tubeless ReadyRim depth: 40mmSurface texture: ABLC SawToothBrake compatibility: Disc (Center Lock)Rim - inside width: 25mmRim profile: SymmetricalRim finish: UD fiber, adhesive decalsColor (Decal): StandardNipple material: AluminumNipple anti-rotation: Sapim Secure-LocSpoke type: CX-SprintSpoke count: 24Spoke pattern: 2 CrossHub: ZR1 Disc BrakeDriver body type: SRAM/Shimano Road or SRAM XDRColor (hub): BlackAxle type (Wheels): TA 12x142Axle material: Aluminum front & rearBearings: Cartridge - Stainless SteelDriver Mechanism: 6 Pawls Leaf SpringDriver body material: AluminumMax tire pressure: 73psiMax recommended rider weight: 250lbsPart Weight (g): 739Please Note: The below tyre brands have communicated to us that their tubeless models are compatible with our tubeless hookless straight side wheels. Riders wishing to use regular clincher tyres should check with the manufacturer if they are compatible with hookless rims. This is a guide and we still recommend consumers confirm compliance with their chosen tyre manufacturer: Zipp - Tangente Speed RT25, R28, and the Tangente Course G40 gravel tyreSchwalbe Rene Herse

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Shimano Dura-ace Di2 12 Speed Rear Derailleur 2022
  • £685.99
  • RRP £699.99
  • Saving you £2

Digital Integrated Intelligence or Di2: with programmed automatic motion at the touch of a switch the Dura-Ace Di2 rear derailleur is quick smooth and effortless making for unmatched drivetrain efficiency The rear derailleur is now the brains of the system with wireless connectivity to the shifters. It acts as the point the system is charged provides ANT+ connection to 3rd party devises and replaces the handlebar junction Button on the derailleur for Di2 operations and LED light denotes synchronized shift mode setting mode and charge requirements Programmed automatic motion at the touch of a switch makes this derailleur quick smooth and effortless to shift Synchronized Shift designed developed to choose the next biggest or lowest gear ratio irrespective of whether a gear change needs to be made by the front or rear derailleur The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates corrosion and stretching Low profile Shadow derailleur design Derailleur contains a saver (fuse) function where the inner structure is protected from strong impacts 11-34T wide gear ratio capacity will cater for compact setups as well as the traditional road double Full carbon fibre inner and outer pulley plates enhance rigidity and reduce weight Titanium B axle bolt for further weight savings High tolerance cold forged aluminium link plates and body construction is extremely light and durable Four self-lubricating micro-machined fluorine-coated link pivot bushings provide low-friction shifting Pulleys are made of tough DuPont Zytel for longer life and less chain noise 12-speed E-tube Di2 compatible

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Mavic Crossmax Sl S Cl Shimano Micro Spline 29er Boost Xc Wheelset 2023
  • £682.00
  • RRP £775.00
  • Saving you £12

Cross-country racing puts a multitude of demands on a wheelset. You want one that helps you climb with speed and efficiency descend with greater control and track through the rough stuff with smooth confidence. The Crossmax SL S is a lightweight alloy wheel that does it all.Engineered with a specific rim profile that combines a 25mm internal width and our patented ISM4D technology this wheelset can boost the performance of your bike with a price that’s accessible compared to carbon wheel options. The ISM4D process machines the rim in the areas with less stress to reduce weight without compromising strength. The rim also features our Black Shield technology which protects against scratches and dents so you can charge hard through rock gardens and rough singletrack.The rims are made with our patented Fore technology with a fully sealed upper rim bridge that eliminates the need for rim tape. This saves 30 grams per wheel not to mention the hassles associated with tape when setting up tubeless tires. New Infinity hub is lighter and feature a new spoke lacing which increases stiffness for better power transfer and the Instant Drive 360 freewheel with a double ratchet provides fast engagement. The rear hub is compatible with Shimano HG9 Micro Spline and SRAM XD driver bodies. The Crossmax SL S is available with 6-bolt or center lock brake rotors in 29” only. It’s compatible with a 15x110 front axle and 12x148 rear and comes with valves replacement spokes and accessories. Key benefits Best in its class alloy XC wheelset ISM4D rim machining reduces weight to close the gap to carbon rims without compromising strength. Lighter weight rims result in super low inertia and instant acceleration. Increased traction and durability 25mm wide hookless rim profile optimized for lower tire pressures resulting in improved grip in all conditions. Optimized for modern XC tubeless tires from 2.1 to 2.30'. Black Shield treatment protects rims against impacts and scratches. Most user-friendly tubeless system Fore technology fully sealed rim with no rim tape makes it easy to mount and change tubeless tires. Leaving the upper rim bridge intact boosts the stiffness and durability of the rim. Rims Material: Maxtal Tire: UST Tubeless and tubetype Material: S6000 Aluminum SUP welding technology Fore tapeless tubeless technology Weight reduction: ISM 4D ETRTO size 29: 622x25TSS Internal width: 25 mm Hookless profile Black Shield treatment (protects your rim against impacts and scratches) Asymmetrical rim design Spokes Count: 24 front and rear Nipples: Fore integrated aluminum Material: steel Shape: straight pull flat double butted Lacing: front and rear crossed 2 contactless Delivered with UST valve and accessories Multifonction adjustment wrench (delivered with rear wheel) 2 replacement spokes with each wheel Hubs Instant Drive 360 freewheel technology Hub available for 6-bolt or Center Lock® brake rotors Axles: Front 15X110 Boost ; Rear 12X148 Boost Infinity hubs Intended use Recommended tire sizes: 52mm to 76mm (20 to 30) ASTM CATEGORY 3 : CROSS COUNTRY For a longer longevity of the wheel Mavic recommends that the total weight supported by the wheels doesn't exceed 150kg bike included Minimum and maximum allowed tyre width: see indication on wheel Maximum tyre pressure: 41bar/59PSI with a 28mm tyre - 245bar/36PSI with a 64mm tyre Versions Disc standard : 6 Bolts or Center Lock® Hub width : Boost only (front 110 rear 148) Freewheel: SRAM XD Shimano HG9 Shimano Micro-Spline Compatible Adapters and freewheel bodies ID360 Shimano HG9 alloy freewheel body (V3780101) ID360 Sram XD freewheel body (V3740101) 15mm front hub cap (V2372501 - Delivered with the wheel) Boost : Torque Caps for Center Lock hub (V2374401) ID360 Shimano Micro Spline alloy freewheel body (V3990101) Compatibility Freewheel: Shimano HG9 XD or Micro Spline Rear axle: 12x148 Boost thru axle Front axle: 15x110 Boost thru axle Information on specified weight The weight of the wheels is announced at +/-5% in XD/XD-R and Center Lock version without quick release nor valve nor rim tape

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Mavic Ksyrium Sl Cl Disc Shimano Road Wheel Set 2023
  • £679.50
  • RRP £755.00
  • Saving you £10

Ksyrium has always represented the best of aluminum wheel technology. Following in the footsteps of the venerable Ksyrium Elite and Ksyrium Pro the all-new Ksyrium SL Disc lives up to that standard. If you're looking for one aluminum wheelset for weekend races and training mileage wherever the road takes you this is your best choice.This new wheel is superlight (120g lighter than the former Ksyrium Elite UST Disc) and durable as ever thanks to our patented ISM4D technology. This manufacturing process removes all excess material between each spoke hole while keeping the rim wall thick enough where spoke tension and stress is the highest. Those rims are made in France in our aluminum rim factory.The double-butted spokes contribute to the weight reduction while making the wheel more responsive. These spokes also have a patented elliptical shape that can save 5 watts for added efficiency.Stiffness is optimized using Fore technology. The upper bridge is not drilled so it remains strong and rigid and doesn’t require the use of a rim tape (another 30g saved per wheel). The rim bed’s new shape makes it easier than ever to mount and remove tires and our UST Tubeless technology improves rolling resistance and grip while reducing the risk of punctures. Our new Infinity hub platform optimizes stiffness and power transfer with highly controlled spoke tension while an Instant Drive 360 freewheel coupled with our automatic bearing preload adjustment (QRM Auto) delivers fast engagement and durability. Engineered specifically for disc brakes the wheels are compatible with a 12x100 axle up front and 12x142 rear and can convert to Quick Release with supplied adapters. For Center Lock disc rotors only. It's available for Shimano or Sram XD-Road cassettes and can convert to Campagnolo with an optional driver body. Key benefits Superlight and durable for everyday performance ISM4D rim weighs only 400g Patented lightweight aero spokes and 22mm deep/19mm wide rims keep inertia low and control high Solid upper rim bridge eliminates the need for rim tape saving 60g Laterally stiff vertically compliant for a more dynamic ride Fore technology keeps the rim upper bridge solid to make the rim stiffer New Infinity hub plaform: stiff axle durable bearings and new hub design guarantees wheel stability ID360 freewheel technology for improved power transfer Improved UST Road delivers more speed comfort and control in an easy to use tubeless system No 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 drilling technology doesn't require the use of rim tape Rims Material: Maxtal Tire: UST Tubeless and tubetype Disc brake specific profile Internal width: 19 mm SUP welding technology Fore tapeless tubeless technology UST tubeless technology Weight reduction: ISM 4D ETRTO size: 622x19TC Height: 22 mm Spokes Count: 24 front and rear Nipples: Fore integrated aluminum Material: steel Shape: straight pull elliptical aero double butted (patented) Lacing: front and rear crossed 2 contactless Delivered with User guide UST valve and accessories Multifonction adjustment wrench (delivered with rear wheel) Hubs Axle material: aluminum Front and rear bodies: aluminum Instant Drive 360 freewheel technology Rear: Quick Release 12x142 and 12x135 compatible QRM Auto bearing preload technology Front: Quick release and 12x100 through axle compatible Infinity hubs Intended use Recommended tire sizes: 25 to 32 mm ASTM CATEGORY 2 : road and offroad with jumps less than 15cm For a longer longevity of the wheel Mavic recommends that the total weight supported by the wheels doesn't exceed 120kg bike included Max Pressure: see indication on wheel and tire If they differ use the lowest of the 2 Minimum and maximum allowed tyre width: see indication on wheel Maximum tyre pressure: 675bar/97PSI with a 23mm tyre - 38bar/55PSI with a 62mm tyre Compatibility Freewheel: Shimano/Sram convertible to Campagnolo ED11 N3W and XD-R with optional driver bodies Rear axle: 12mm thru axle convertible to Quick Release with optional adapters and axle replacement Front axle: 12x100 thru axle easily convertible to quick release with optional adapters Not compatible with 15mm through axles Versions Disc standard: Center Lock® only Freewheel: Shimano/Sram or XD-Road Compatible Adapters and freewheel bodies 12 to 9mm front adapter for quick release (V2680301) ID360 Shimano / Sram Light freewheel body (V3850101) ID360 Campagnolo freewheel body (V3440101) ID360 XD-R freewheel body (V2580101) ID360 Shimano / Sram freewheel body (V3430101) 12 to 9mm rear adapter for quick release (V2510801 (with axle V2373401) ID360 N3W freewheel body (V4270101) Information on specified weight The weight of the wheels is announced at +/-5% in XD/XD-R and Center Lock version without quick release nor valve nor rim tape

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Mavic Ksyrium Sl Qr Shimano Road Wheel Set 2023
  • £679.50
  • RRP £755.00
  • Saving you £10

Ksyrium has always represented the best of aluminum wheel technology. Following in the footsteps of the venerable Ksyrium Elite and Ksyrium Pro the all-new Ksyrium SL takes it to the next level. It’s the perfect all-rounder for those seeking a wheel that delivers reliable everyday performance on the road.This new wheel is lightweight (100g lighter than the former Ksyrium Elite despite its wider rim) and durable as ever thanks to our patented ISM4D technology. This manufacturing process removes all excess material between each spoke hole while keeping the rim wall thick enough where spoke tension and stress is the highest. Those rims are made in France in our aluminum rim factory.The double-butted spokes further reduce weight while making the wheel more responsive. These spokes also have a patented elliptical shape that can save 5 watts for added efficiency.Stiffness is optimized using Fore technology. The upper bridge is not drilled so it remains strong and rigid and doesn’t require the use of a rim tape (another 30g saved per rim). The rim bed’s new shape makes it easier than ever to mount and remove tires and our UST Tubeless technology improves rolling resistance and grip while reducing the risk of punctures. Our new Infinity hub platform optimizes stiffness and power transfer with highly controlled spoke tension while the Instant Drive 360 freewheel coupled with our automatic bearing preload adjustment (QRM Auto) delivers fast engagement and durability.It's available for Shimano cassettes and can convert to Campagnolo or SRAM XD-Road with optional driver bodies. Key benefits Superlight and durable for everyday performance ISM4D rim weighs only 400g Patented lightweight aero spokes and 22mm deep/19mm wide rims keep inertia low and control high Solid upper rim bridge eliminates the need for rim tape saves 60g Laterally stiff vertically compliant for a more dynamic ride Fore technology keeps the rim upper bridge solid to make the rim stiffer New Infinity hub plaform: stiff axle durable bearings and new hub design guarantees wheel stability ID360 freewheel technology for improved power transfer Improved UST Road delivers more speed comfort and control in an easy to use tubeless system No 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 drilling technology doesn't require the use of rim tape Rims Material: Maxtal Brake track: UB Control Tire: UST Tubeless and tubetype Internal width: 19 mm SUP welding technology Fore tapeless tubeless technology UST tubeless technology Weight reduction: ISM 4D ETRTO size: 622x19TC Height: 22 mm Spokes Lacing: front radial rear Isopulse Nipples: Fore integrated aluminum Material: steel Isopulse lacing design Count: front 18 rear 24 Shape: straight pull elliptical aero double butted (patented) Delivered with User guide UST valve and accessories BR301 quick releases Multifonction adjustment wrench (delivered with rear wheel) Hubs Axle material: aluminum Front and rear bodies: aluminum Instant Drive 360 freewheel technology QRM Auto bearing preload technology Infinity hubs Intended use Recommended tire sizes: 25 to 32 mm ASTM CATEGORY 2 : road and offroad with jumps less than 15cm For a longer longevity of the wheel Mavic recommends that the total weight supported by the wheels doesn't exceed 120kg bike included Max Pressure: see indication on wheel and tire If they differ use the lowest of the 2 Minimum and maximum allowed tyre width: see indication on wheel Maximum tyre pressure: 675bar/97PSI with a 23mm tyre - 38bar/55PSI with a 62mm tyre Compatibility Freewheel: Shimano/Sram convertible to Campagnolo ED11 N3W and XD-R with optional driver bodies Front axle: Quick Release only Rear axle: Quick Release only Compatible Adapters and freewheel bodies ID360 Shimano / Sram Light freewheel body (V3850101) ID360 Campagnolo freewheel body (V3440101) ID360 XD-R freewheel body (V2580101) ID360 Shimano / Sram freewheel body (V3430101) ID360 N3W freewheel body (V4270101) Versions Freewheel: Shimano/Sram Information on specified weight The weight of the wheels is announced at +/-5% in XD/XD-R and Center Lock version without quick release nor valve nor rim tape

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DT Swiss Arc 1400 Dicut Rear Road Wheel (48mm) - Carbon - 130mm Shimano, Carbon
  • £671.99
  • RRP £1089.99
  • Saving you £38

DT Swiss Arc 1400 Dicut Rear Road Wheel (48mm)Pushing you through the windiest riding conditions with strength and stiffness, this Arc 1400 road wheel by DT Swiss boasts a 48mm rim depth for outstanding stability and drag-reducing performance. Built using a lightweight and strong carbon, the rim rolls with a 17mm internal width, keeping you poised and rolling with consistency. Kept light by the tubeless-ready profile, this aero-friendly wheel stays streamlined on every journey. Speedy and Lightweight, Carbon Road WheelAdding to the aerodynamic feel of this speedy rear road bike wheel are DT Aero Comp spokes which slice through the air with ease on every rotation. The spokes are pulled to optimal tension by their ProLock nipples and are laced through a smooth-spinning SDT240 hub. The hub features SINC ceramic bearings to reduce rolling friction and comes kitted out with an 18-tooth Ratchet System freehub for enhanced power transfer on tougher stages of your ride.Equipped with a carbon braking surface for durable and dependable stopping and speed control, the DT Swiss Arc 1400 Dicut 48mm Rear Wheel is a brilliant option for today's road racer.Features: Rim Material: Carbon Rim Type: Clincher Internal Rim Width: 17mm External Rim Width: 25mm Rim Height: 48mm Spokes: DT Aero Comp straightpull with DT ProLock hidden aluminium nipples, 2-cross lacing Hub Type: DT240 Hub Axle Type: 130x5mm QR Freehub: Ratchet System 18, Shimano 11-speed Tubeless-Ready: Yes Brake Standard: Rim Brake Recommended Maximum Weight: 100kg Includes: RWS Steel, Tubeless tape 19mm, Tubeless valve road 63mm, Swissstop black prince, valve guard Weight: 858gBuy DT Swiss Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Sector CT30 Carbon Cyclocross Wheelset - Black - Shimano}, Black
  • £659.99
  • RRP £999.99
  • Saving you £34

Sector CT30 Carbon Cyclocross WheelsetDesigned in partnership with wheel industry expert, Paul Lew, this CX wheelset features a unidirectional carbon fibre rim construction that gives it phenomenal strength without sacrificing any weight. Sector has also equipped this wheelset with a 30mm deep tubular rim profile that provides the ultimate blend for weight, mud-shedding ability, stiffness and aerodynamics. Sector has custom designed the carbon CT30 laminate and impact performance within their existing tooling to meet the specific requirements for use as a Cyclo-Cross disc brake rim. This will ensure your wheels will withstand multiple seasons of brutal Cyclo-Cross races.Cyclo-Cross puts a demanding amount of torque on the rear hub, often in very muddy and wet conditions. Into the CT30 we have laced a rear hub with a four-pawl ratchet and oversized pawls to ensure engagement never fails. Both front and rear hubs are fitted with high quality double sealed bearings to keep the worst of the mud out. The lightweight 7075-T6 Aluminium alloy hub shells feature angled flanges to ensure that they follow the path of the spoke, reducing the stress on the spoke and increasing its lifespan.Features: Rim Material: T-700 Unidirectional Carbon Fibre Wheel Size: 700c Use: Cyclocross Spokes / Type: Pillar 1416 DB / J-Bend Nipples: Pillar Pro Alloy Hub Rotor Fitment: Centrelock Freehub: 4 Pawl, Shimano HG) Hole Count: 24h Rim Width: (Internal) 24mm | (External) N/A Rim Depth: 30mm Tubeless: No Single or Pair: Pair End Caps: (Front) 100x12mm / (Rear) 142x12mm Extras: QR End Caps Weight: 1400gBuy Sector Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Ultegra RS700 C30 TL Road Wheelset - Silver - QR Axle}, Silver
  • £649.99
  • RRP £809.99
  • Saving you £20

Shimano Ultegra RS700 C30 TL Road WheelsetCarefully engineered by Shimano to deliver responsive handling and direct rider to road power transfer, the Ultegra RS700 C30 TL Road Wheelset is an ideal choice for demanding cyclists. Rolling on a carbon fibre rim with an alloy braking surface, it brings you efficient acceleration and a low overall weight. A front and rear specific rim height profile give you the ideal balance of crosswind stability and rigidity.Road Wheels with Sealed HubsThe hubs feature high-quality contact seals combined with cup and cone bearings that provide smooth rolling and consistent performance. The rear wheel features Shimano OPTBAL 2:1 spoke lacing, where the drive side has twice as many spokes as the non-drive side. This 2:1 spoke lacing increases stiffness and rigidity, and is especially noticeable when putting the power down.Features: Material: Rims: Carbon; Braking Surface: Aluminium; Hubs: Alloy; Spokes: Stainless Steel; Freehub Body: Steel; Nipples: Aluminium  Tyre Type: Clincher  Tubeless Ready: Yes    Rim Profile: Front: 24mm; Rear: 28mm  Rim External Width: 20.8mm  Rim Internal Width: 15mm  Braking System: Rim brake Axle Compatibility: Quick Release  Spoke Type: Straightpull, double butted, aero  Spoke Count: Front: 16 (radial); Rear: 21 (crossed) Minimum Valve Length: 40mm   Weight: 1.56kgBuy Shimano Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Ultegra R8170 C36 Carbon CL Disc Wheel - Black - Rear}, Black
  • £649.99

Shimano Ultegra R8170 C36 Carbon CL Disc WheelThe Ultegra R8170 C36 Carbon CL Disc Wheel from Shimano is the ideal aerodynamic and Tubeless Ready road race wheel for steep climbing events, fast sprints and versatile all-day riding performance. Full carbon rim construction with Shimano D2 rim profile and a centre lock disc rotor mount, this top-tier road bike wheel is stiff, flex free, aerodynamically optimised, will ensure exceptional braking efficiency in all weather conditions.With a shallow-depth aero profile and lively acceleration, the Ultegra R8170 C36 wheelset is a climber's delight that delivers performance every road rider will appreciate. With the speed and efficiency of tubeless tyres, the everyday performance of a shallow, aero profile carbon rim, and the convenience of 11 and 12-speed compatibility, the new Ultegra R8170 C36 wheelset is an upgrade for any road bike. Centre-Lock Disc Rotor MountThe Centre Lock system makes an easy rotor installation possible with a spline mount and a lock ring. The lock ring mounting system reduces the total working hours by shortening the amount of time of both installation and de-installation. In addition, the secure fixing by the spline mount enhances precision and rigidity while improving braking efficiency. D2 Aerodynamic Rim ProfileAerodynamic performance is affected by wind direction. To create the D2 rim, Shimano engineers considered both frontal and crosswinds, aiming to achieve optimal performance in real-world riding conditions. Extensive prototype testing, in the wind tunnel and on the road, proved that a wide rim shape with a deep tire bed performs best across a wide range of conditions. At yaw angles ranging from 0 to 15 degrees, the Shimano D2 rim profile reduces air drag better than others aero shape rims. This rim design also boosts lateral wheel stiffness and offers improved vertical compliance for increased control, comfort and durability on the road. Shimano E-Thru Axle SystemThe tool-less type thru-axle skewer system optimizes rigidity and weight balance and enables easy operation with a reliable internal cam mechanism. The 15 mm thru-axle system is 15% stiffer torsionally and 25% stiffer in transverse shear than a traditional 9 mm quick release front axle system. High rigidity is secured while keeping the optimum weight balance. The E-Thru axle hub system minimizes the distortion of suspension while maintaining lightweight for riding around sharp corners at high speed. Rear Wheel OPTBAL Spoke SystemThe OPTBAL rear wheel spoke system features 21 spokes—14 on the drive side and 7 on the non-drive side. Cassette spacing in today's wheels produces unbalanced tension in traditional 1:1 spoke systems. This unbalance is intensified with the 11-speed cassette, producing nearly double the tension on the drive side spokes. Generally, high and low tension spokes have respectively tendency toward breaking down and coming loose spoke nipples. Unbalanced tension affects durability and strength. The OPTBAL design rebalances spoke tension, enhancing wheel rigidity and strength for a more durable wheel. Features: Series: Ultegra R8100 Series Rim: Carbon Tubeless Ready 36 mm height full Carbon rim Internal Rim Width: 21 mm Shared rim profile with R9200 Dura-Ace wheels Improved aerodynamics Axle: 12 mm E-THRU Disc Rotor Mount: Centre Lock Rear Speeds: 11/12-Speed Shimano Weight: Front: 657g; Rear: 831gA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano WH-R8170-C60-TL Ultegra Disc Carbon Clincher 60mm Rear Wheel
  • £649.99

WH-R8170 TL carbon clincher disc brake designed to meet pro road race criteriaLightweight clincher full carbon 60 mm deep rim for improved aerodynamics, increased rigidity and excellent inertia for sprinters and TT specialists,Easy to use Center Lock rotor mount for use with disc brakes,Stainless steel butted (2.0-1.8-2.0) and bladed straight pull spokes for optimal balance and rigidity (OPTBAL),Elbow-less spokes make for a strong yet compliant wheel,High lateral rigidity is produced with a wide flange spacing,Labyrinth double-contact sealing effectively shuts out water and dirt,Alloy cone with integrated steel Borozon treated bearing races - super mirror finish reduces friction,Freehub uses direct engagement interlocking faces for quick power transfer,Cold forged, machined aluminium hub shell and oversized 7075 alloy axle keep the wheel weight to a minimum,700C clincher compatible,For 142 x 12 mm axle,11-12-speed compatible rear wheel.

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Shimano Ultegra R8170 C36 Carbon CL Front Disc Wheel Wheel Sets
  • £649.99
  • RRP £679.99
  • Saving you £4

With a shallow-depth aero profile and lively acceleration, the Ultegra R8170 C36 wheelset is a climber's delight that delivers performance every road rider will appreciate. With the speed and efficiency of tubeless tyres, the everyday performance of a shallow, aero profile carbon rim, and the convenience of 11 and 12-speed compatibility, the new Ultegra R8170 C36 wheelset is an upgrade for any road bike. Centre-Lock Disc Rotor Mount The Centre Lock system makes an easy rotor installation possible with a spline mount and a lock ring. The lock ring mounting system reduces the total working hours by shortening the amount of time of both installation and de-installation. In addition, the secure fixing by the spline mount enhances precision and rigidity while improving braking efficiency. D2 Aerodynamic Rim Profile Aerodynamic performance is affected by wind direction. To create the D2 rim, Shimano engineers considered both frontal and crosswinds, aiming to achieve optimal performance in real-world riding conditions. Extensive prototype testing, in the wind tunnel and on the road, proved that a wide rim shape with a deep tyre bed performs best across a wide range of conditions. At yaw angles ranging from 0 to 15 degrees, the Shimano D2 rim profile reduces air drag better than others aero shape rims. This rim design also boosts lateral wheel stiffness and offers improved vertical compliance for increased control, comfort and durability on the road. Shimano E-Thru Axle System The tool-less type thru-axle skewer system optimizes rigidity and weight balance and enables easy operation with a reliable internal cam mechanism. The 15 mm thru-axle system is 15% stiffer torsionally and 25% stiffer in transverse shear than a traditional 9 mm quick release front axle system. High rigidity is secured while keeping the optimum weight balance. The E-Thru axle hub system minimizes the distortion of suspension while maintaining lightweight for riding around sharp corners at high speed.  Rear Wheel OPTBAL Spoke System The OPTBAL rear wheel spoke system features 21 spokes—14 on the drive side and 7 on the non-drive side. Cassette spacing in today’s wheels produces unbalanced tension in traditional 1:1 spoke systems. This unbalance is intensified with the 11-speed cassette, producing nearly double the tension on the drive side spokes. Generally, high and low tension spokes have respectively tendency toward breaking down and coming loose spoke nipples. Unbalanced tension affects durability and strength. The OPTBAL design rebalances spoke tension, enhancing wheel rigidity and strength for a more durable wheel.

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Reynolds Aero 80 Front Carbon Road Wheel - Black - Shimano}, Black
  • £649.99
  • RRP £999.99
  • Saving you £35

Reynolds Aero 80 Front Carbon Road WheelThis road bike front wheel features a carbon 19mm tubeless-ready rim and a precision-crafted Industry Nine hub that lowers rolling resistance, enhances lateral stiffness and improves your overall ride. This makes it an ideal upgrade for riders who want a stronger and more dynamic front wheel, without adding any unnecessary weight to your road bike.- Industry leading aerodynamic performance and cross wind stability with the Dispersive Effect Termination (DET) rim profile- Wide, tubeless ready rim provides better fit for higher volume tires that increase grip, lower rolling resistance and provide greater comfort- Precision manufactured Reynolds hub 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 modelsFeatures: Rim Material: Aero 80 Carbon Tubeless Rim BrakeUse: RoadInner Rim Width: 19mmOuter Rim Width: 29mmRim Depth: 80mmSpoke Count: Front: 18, Rear: 18Spoke Pattern: Front: 2x; Rear: 2xSpoke Type: CX-RayNipple Material: AlloyHub: Reynolds / Industry NineEngagement: 6 degreesPawl: 3Brake Compatibility: Rim brakeWheelset Size: 700c Tubeless Compatible: Yes Single or Pair: SingleBuy Reynolds Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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