Chain Reaction UK

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About Chain Reaction UK
Chain Reaction Cycles (CRC) are based in Doagh, in Northern Ireland, originally started out as Ballynure Cycles in 1984 and changing their name after a move to a new shop in 1989. In 2011 they opened a 10,000sq ft standalone retail store in Belfast, Northern Ireland. By 2013 they had become the largest online bike shop in the world!

CRC exists to deliver a world class shopping experience to cyclists around the globe, offering the lowest prices on everything you need to feed your cycling habit, and delivering directly to you with no fuss.
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Chain Reaction UK have 41186 products listed

SRAM XG-1299 Eagle 12 Speed Cassette - Copper - 10-52t}, Copper
  • £408.00

SRAM XG-1299 Eagle 12 Speed CassetteDesigned with mountain bike (MTB) trails in mind, this 12 speed cassette from SRAM features a lightweight aluminium cog, while its other cogs are equipped with a durable, hard-wearing steel construction for the perfect combination. SRAM has kitted out this model with its renowned Eagle technology that is lighter, simpler, more durable, and easier to use. Another highlight is its unique colour system that is sure to make you stand out on the MTB trails.Range of DreamsWhether for prized race machines or the build of their dreams, the XG-1299 cassette is the ultimate, giving riders unprecedented 520-percent range thanks to the new 10-52 tooth-span. Stronger racers are now free to choose larger chainrings for more top-end speed, without sacrificing climbing range. More time is spent higher up in the cassette where athletes power transfer is most efficient and wear is minimized. Featuring the industry’s strongest X-Dome™ architecture and proven XD™ driver body, it’s also backwards compatible to give riders even more Eagle™ upgrade options for their current bikes. With multiple Olympic, World Cup and World Championship titles, it also matches up perfectly to XX1 Eagle AXS™ enabled componentry. The XG-1299 cassette utilizes the full depth of the new Eagle™ Coloursystem. Available in Gold to Rainbow and all-new Copper, the XG-1299 cassette completes the expression of the worlds most accomplished and sought after bikes.Features:Material: Largest Cog: Aluminium; 1-11 Cogs: SteelUse: MTBSpeed: 12 speedGear Ratio: 10-52TCassette: XGCog Sizes: 10-52T: 10,12,14,16,18,21,24,28,32,36,42,52Driver Body Interface: XDCompatibility: Part Numbers: Copper: FW8107000; Gold: FW8107001 and Rainbow: FW8107002Weight: 370g (approx.)Technologies:Driver Body XD: Is a new cassette driver body design that allows the use of a 10 tooth small cog and provides an improved interface with the cassette.X-DOME: X-DOME technology creates an incredibly lightweight, precise and strong cassette. The open design aids in mud clearance, giving you cleaner shifting performance and longer component life.Eagle: Eagle technology represents our newest 1x drivetrain technology. Eagle is a lighter, simpler, more durable, and easier to use drivetrain. Eagle features all-new 1x components, engineered for even greater durability and performance while maintaining a significant weight advantage over other drivetrain solutions. Eagle technology also provides an expanded gear range of 500%, while is equal to 2x11 drivetrains.X-Glide 2: X-GLIDE 2 is the next generation of SRAM X-Glide technology optimised for the Eagle 12-speed cassette. It provides quick, precise, power-on shifting performance throughout the gear range, and increases chain retention on larger cogs.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SRAM XG-1299 Eagle 12 Speed Cassette - Rainbow - 10-52t}, Rainbow
  • £408.00

SRAM XG-1299 Eagle 12 Speed CassetteDesigned with mountain bike (MTB) trails in mind, this 12 speed cassette from SRAM features a lightweight aluminium cog, while its other cogs are equipped with a durable, hard-wearing steel construction for the perfect combination. SRAM has kitted out this model with its renowned Eagle technology that is lighter, simpler, more durable, and easier to use. Another highlight is its unique colour system that is sure to make you stand out on the MTB trails.Range of DreamsWhether for prized race machines or the build of their dreams, the XG-1299 cassette is the ultimate, giving riders unprecedented 520-percent range thanks to the new 10-52 tooth-span. Stronger racers are now free to choose larger chainrings for more top-end speed, without sacrificing climbing range. More time is spent higher up in the cassette where athletes power transfer is most efficient and wear is minimized. Featuring the industry’s strongest X-Dome™ architecture and proven XD™ driver body, it’s also backwards compatible to give riders even more Eagle™ upgrade options for their current bikes. With multiple Olympic, World Cup and World Championship titles, it also matches up perfectly to XX1 Eagle AXS™ enabled componentry. The XG-1299 cassette utilizes the full depth of the new Eagle™ Coloursystem. Available in Gold to Rainbow and all-new Copper, the XG-1299 cassette completes the expression of the worlds most accomplished and sought after bikes.Features:Material: Largest Cog: Aluminium; 1-11 Cogs: SteelUse: MTBSpeed: 12 speedGear Ratio: 10-52TCassette: XGCog Sizes: 10-52T: 10,12,14,16,18,21,24,28,32,36,42,52Driver Body Interface: XDCompatibility: Part Numbers: Copper: FW8107000; Gold: FW8107001 and Rainbow: FW8107002Weight: 370g (approx.)Technologies:Driver Body XD: Is a new cassette driver body design that allows the use of a 10 tooth small cog and provides an improved interface with the cassette.X-DOME: X-DOME technology creates an incredibly lightweight, precise and strong cassette. The open design aids in mud clearance, giving you cleaner shifting performance and longer component life.Eagle: Eagle technology represents our newest 1x drivetrain technology. Eagle is a lighter, simpler, more durable, and easier to use drivetrain. Eagle features all-new 1x components, engineered for even greater durability and performance while maintaining a significant weight advantage over other drivetrain solutions. Eagle technology also provides an expanded gear range of 500%, while is equal to 2x11 drivetrains.X-Glide 2: X-GLIDE 2 is the next generation of SRAM X-Glide technology optimised for the Eagle 12-speed cassette. It provides quick, precise, power-on shifting performance throughout the gear range, and increases chain retention on larger cogs.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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DVO Suspension Topaz Air Rear Shock - 60mm Stroke
  • £407.99
  • RRP £449.95
  • Saving you £9

DVO Suspension Topaz Air Rear ShockThe Topaz T3 Air rear shock from DVO Suspension has been influenced by decades of development to ensure your component goes the extra mile. Made from durable anodised and CNC machined housing, this rear shock is suitable for a range of disciplines and is exceptionally lightweight at only 330g.Consistent PerformanceThis rear shock is packed with advanced features such as external air fins, which keep it cool and performing even in hot conditions and on the longest trails. Also, the internal bladder system and loader style compression unit offers optimised small bump sensitivity especially at the start of the shock's stroke. On top of that DVO added the T3 lever giving riders the option to switch between three compression settings for pedalling, traversing, and descending.Features:Material: Anodised and CNC machined housingAdjustments: T3 Trail modes for open, medium, or firm compression adjustment, and adjustable reboundAir spring adjustable via volume spacers15 mm IGUS bushings for reduction of frictionBladder system increases small bump sensitivity over O-Ring systemsHigh flow piston eliminates harshness and delivers dynamic dampeningExternal reservoir cooling finsTuneable air can volume (via spacers)External rebound adjustmentMounting Kit Included: Mounting kit is not includedLockout: YesUsage: All Mountain, Trail, EnduroWeight: 330gBuy DVO Suspension Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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DVO Suspension Topaz Air Rear Shock - 55mm Stroke
  • £407.99
  • RRP £449.95
  • Saving you £9

DVO Suspension Topaz Air Rear ShockThe Topaz T3 Air rear shock from DVO Suspension has been influenced by decades of development to ensure your component goes the extra mile. Made from durable anodised and CNC machined housing, this rear shock is suitable for a range of disciplines and is exceptionally lightweight at only 330g.Consistent PerformanceThis rear shock is packed with advanced features such as external air fins, which keep it cool and performing even in hot conditions and on the longest trails. Also, the internal bladder system and loader style compression unit offers optimised small bump sensitivity especially at the start of the shock's stroke. On top of that DVO added the T3 lever giving riders the option to switch between three compression settings for pedalling, traversing, and descending.Features:Material: Anodised and CNC machined housingAdjustments: T3 Trail modes for open, medium, or firm compression adjustment, and adjustable reboundAir spring adjustable via volume spacers15 mm IGUS bushings for reduction of frictionBladder system increases small bump sensitivity over O-Ring systemsHigh flow piston eliminates harshness and delivers dynamic dampeningExternal reservoir cooling finsTuneable air can volume (via spacers)External rebound adjustmentMounting Kit Included: Mounting kit is not includedLockout: YesUsage: All Mountain, Trail, EnduroWeight: 330gBuy DVO Suspension Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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DVO Suspension Topaz Air Rear Shock - 50mm Stroke
  • £407.99
  • RRP £449.95
  • Saving you £9

DVO Suspension Topaz Air Rear ShockThe Topaz T3 Air rear shock from DVO Suspension has been influenced by decades of development to ensure your component goes the extra mile. Made from durable anodised and CNC machined housing, this rear shock is suitable for a range of disciplines and is exceptionally lightweight at only 330g.Consistent PerformanceThis rear shock is packed with advanced features such as external air fins, which keep it cool and performing even in hot conditions and on the longest trails. Also, the internal bladder system and loader style compression unit offers optimised small bump sensitivity especially at the start of the shock's stroke. On top of that DVO added the T3 lever giving riders the option to switch between three compression settings for pedalling, traversing, and descending.Features:Material: Anodised and CNC machined housingAdjustments: T3 Trail modes for open, medium, or firm compression adjustment, and adjustable reboundAir spring adjustable via volume spacers15 mm IGUS bushings for reduction of frictionBladder system increases small bump sensitivity over O-Ring systemsHigh flow piston eliminates harshness and delivers dynamic dampeningExternal reservoir cooling finsTuneable air can volume (via spacers)External rebound adjustmentMounting Kit Included: Mounting kit is not includedLockout: YesUsage: All Mountain, Trail, EnduroWeight: 330gBuy DVO Suspension Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano XTR M9120 12 Speed MTB Chainset - Grey - 38.28t}, Grey
  • £407.99
  • RRP £479.99
  • Saving you £15

Shimano XTR M9120 12 Speed MTB ChainsetThis Shimano XTR M9120 12 Speed Chainset is the top-end Shimano 2x12-Speed crankset and enables you to conquer any mountain, no matter how demanding. Featuring the iconic Shimano Hollowtech II construction process, the XTR M9120 is the most advanced crankset on the market today. Providing the highest drivetrain efficiency, stiffness and lightest weight and it achieves this exceptional combination in a sleek and stylish 2x direct mount transmission.Features: Material: Aluminium Use: XC, Marathon, Enduro Type: Shimano Hollowtech II Bolt Circle Diameter: Direct Mount (Inner chainring bolted to outer chainring) Drivetrain Compatibility: 12-Speed Recommended Bottom Bracket: Press-Fit: SM-BB94-41A; Threaded: SM-BB93 Q-Factor: 168mm Chain Line: 51.8mm Weight: 592gA 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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Fox Suspension DHX Factory 2-Position Adjust Shock - 185mm Length x 55mm Stroke
  • £406.88
  • RRP £629.00
  • Saving you £35

Fox Suspension DHX Factory 2-Position Adjust ShockBuilt for long days on your local trails with your riding buddies as well as exploring new routes on your own adventures, this high-quality Factory Series mountain bike (MTB) rear shock delivers coil performance for the trail and beyond. It features a hard-wearing chromoly (CrMo) steel shaft coating that has ultra-low friction properties and is highly durable as you tackle demanding terrain conditions on your ride. Packed with many of Fox Suspension's proven technologies, this model is also part of the renowned Factory Series family that's designed to exceed the demands of Factory-level riders.Coil Spring Ready and AdjustmentsReady for wherever your next trail ride leads you, this rear shock is kitted out with a coil spring ready design and a range of adjustment features to help you dial in your ideal settings. Fitted with an independent two-position lever, you'll benefit from being able to easy switch between open and firm modes to suit the terrain conditions. In addition, its low-speed compression and rebound adjustments make it simple to fine-tune its suspension performance to match your riding style for a more rider-tuned feel.Coil performance for the trail and beyond. Answering the call of riders seeking the ultimate in plush suspension, the Fox Suspension DHX Factory 2Pos-Adj Shock brings coil-sprung, magic-carpet, trail smoothing performance in a wide range of configurations to the trails and beyond.Features: Shaft Coating: Chromoly (CrMo) Steel Use: MTB Spring Type: Coil spring Adjustment Lever: Independent two-position Open/Firm lever Adjustment Features: Low-speed compression and rebound Coil Spring Preload: Detents on spring collar Spring Included: Not included. Available separatelyTechnologies: Factory Series: “Factory” says it all - feature-packed and designed to exceed the demands of Fox Suspension's Factory-level riders. What we sell is what they race. Updated chassis and damper. High-flow main piston. Numbered Tool-free 12 position single-turn LSC (Low Speed Compression) adjuster. Independent firm mode circuit - 2 position adjuster. Optimised reservoir lengths per shock size. Hydraulic top out feature. Reduced damper noise. MCU bottom out bumper. Single-turn rebound adjuster with a variety of access modes (Tool-free, 3mm hex (direct access), 2mm hex or similar (side access). Spring preload collar with detents and max / min number of clicks and direction arrow. Full diameter spring retainer with wire ring (like DHX2). Spring scuff guard on body (like DHX2).Buy Fox Suspension Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fox Suspension DHX Factory 2-Position Adjust Shock - 210mm Length x 50mm Stroke
  • £406.88
  • RRP £629.00
  • Saving you £35

Fox Suspension DHX Factory 2-Position Adjust ShockBuilt for long days on your local trails with your riding buddies as well as exploring new routes on your own adventures, this high-quality Factory Series mountain bike (MTB) rear shock delivers coil performance for the trail and beyond. It features a hard-wearing chromoly (CrMo) steel shaft coating that has ultra-low friction properties and is highly durable as you tackle demanding terrain conditions on your ride. Packed with many of Fox Suspension's proven technologies, this model is also part of the renowned Factory Series family that's designed to exceed the demands of Factory-level riders.Coil Spring Ready and AdjustmentsReady for wherever your next trail ride leads you, this rear shock is kitted out with a coil spring ready design and a range of adjustment features to help you dial in your ideal settings. Fitted with an independent two-position lever, you'll benefit from being able to easy switch between open and firm modes to suit the terrain conditions. In addition, its low-speed compression and rebound adjustments make it simple to fine-tune its suspension performance to match your riding style for a more rider-tuned feel.Coil performance for the trail and beyond. Answering the call of riders seeking the ultimate in plush suspension, the Fox Suspension DHX Factory 2Pos-Adj Shock brings coil-sprung, magic-carpet, trail smoothing performance in a wide range of configurations to the trails and beyond.Features: Shaft Coating: Chromoly (CrMo) Steel Use: MTB Spring Type: Coil spring Adjustment Lever: Independent two-position Open/Firm lever Adjustment Features: Low-speed compression and rebound Coil Spring Preload: Detents on spring collar Spring Included: Not included. Available separatelyTechnologies: Factory Series: “Factory” says it all - feature-packed and designed to exceed the demands of Fox Suspension's Factory-level riders. What we sell is what they race. Updated chassis and damper. High-flow main piston. Numbered Tool-free 12 position single-turn LSC (Low Speed Compression) adjuster. Independent firm mode circuit - 2 position adjuster. Optimised reservoir lengths per shock size. Hydraulic top out feature. Reduced damper noise. MCU bottom out bumper. Single-turn rebound adjuster with a variety of access modes (Tool-free, 3mm hex (direct access), 2mm hex or similar (side access). Spring preload collar with detents and max / min number of clicks and direction arrow. Full diameter spring retainer with wire ring (like DHX2). Spring scuff guard on body (like DHX2).Buy Fox Suspension Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fulcrum Racing 4 Disc Road Wheelset - Black - Shimano}, Black
  • £404.99
  • RRP £449.99
  • Saving you £10

Fulcrum Racing 4 Disc Road WheelsetThis wheelset comes equipped with a hard-wearing aluminium build that makes it ideal for handling all the challenges associated with modern road cycling or triathlon. Fulcrum has also kitted out this model with a 34mm medium profile for excellent aerodynamics, while its disc brake (AFS) compatibility provides consistent and reliable braking wherever your next ride takes you.34mm Medium ProfileThanks to the 34mm medium profile, the updated Racing 4 DB wheels achieve the perfect balance between aerodynamics, riding precision and versatility. They are ideal for climbing without sacrificing stability once the speed increases on the descents. In fact, these wheels have been chosen by the Cofidis team for their training setup.2 Way Fit TechnologyCompared to the 2018 model, the aluminium rim profile of this version has been CNC machined and lightened, and the inner rim width has been increased to 19 mm (the previous model was 17mm wide) so that it can easily fit 25mm tyres. The wheels also feature 2 Way Fit technology for clinchers and tubeless tyres (tubeless tape installed and valves included). Aesthetically the Racing 4 DB line features striking laser-etched graphics that will resist whatever the weather throws at them.Features: Rim Material: Aluminium Rim Finish: Lasered and stickers Use: Road, Triathlon Axle Compatibility: Front: 12x100mm; Rear: 12x142mm Inner Rim Width: 19mm Outer Rim Width: 24mm Rim Profile Height: Medium Rim Height: 34mm Braking System: Disc brake (AFS) Tyre Compatibility: 2-Way Fit Ready (Clincher/Tubeless ready) Tyre Size: 700c Front Wheel Spokes: 24, (Left 16 - Right 8) Rear Wheel Spokes: 24, (Left 8 - Right 16) Spokes Material: Stainless Steel Spokes Profile: Rounded, straight pull Nipples Material: Aluminium Front Hub Material: Aluminium Rear Hub Material: Aluminium Bearings: Sealed cartridge bearings, adjustable Freehub: Multiple options available to select from the menu ASTM Category: 2 Weight Limit (System): 120kg Weight: 1710gManufacturer's Part Number: FULCWF3980AP1A110 Buy Fulcrum Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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RockShox Pike Select RC Boost Forks - Black - 170mm Travel, Black
  • £404.99
  • RRP £729.99
  • Saving you £45

RockShox Pike Select RC Boost ForksPrepared for aggressive MTB trail riding, the RockShox Pike Select RC Boost Forks combine an updated DebonAir air spring with the Charger RC damper for fantastic front-end suspension performance. These MTB forks feature a hard-wearing 35mm tapered wall aluminium upper tube construction and magnesium lower legs, which means that you'll benefit from their impressive strength to weight ratio. This makes them perfect for riders who want a stronger front end without adding unnecessary weight to their MTB. Coming complete with external round adjustment as well as low speed compression adjustment, these forks can be set up to perfectly match your riding style and the terrain conditions.Features: Material: Upper Tube: 35mm tapered wall Aluminium; Lower Leg: Magnesium; Crown: Forged, hollow Aluminium Brake Type: Disc Maxle Included: Maxle Stealth Damping Adjustments: External rebound, low speed compression Damper Adjustment: Crown Axle: 15x110mm BOOST Spring: DebonAir; Damper: Charger RC Fork Offset: 37mm Crown OD (mm): 58mm; Steerer: 1.5" Tapered Technologies:DebonAir: Updated highly tunable DebonAir air spring offers a buttery smooth feel off the top and maintains a higher ride height for increased confidence in steep terrain.Charger RC damper featuring low speed compression adjust.Maxima Plush damping fluid reduces friction and silences damper noise.Buy RockShox Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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ISM PN3.0 Carbon Racing Road Bike Saddle - 120mm Wide, Carbon
  • £400.00

ISM PN3.0 Carbon Racing Road Bike SaddleThis carbon version of the award-winning PN 3.0 saddle is specifically designed for maximum performance. It features a combination of all the finest and innovative benefits of all ISM saddles, resulting in a versatile throne for every riding discipline. Its excellent shape with tapered-edge moulding means you'll not have to worry about numbness or discomfort. Its all carbon fibre construction gives you endless hours of cycling comfort for getting the best out of every ride.Features: Material: Rails: Carbon Compatibility: Carbon rails require a Carbon compatible seat clamp Width: 120mm Length: 255mm Type: Performance Narrow Use: TT, Triathlon, Track Racing, Road The shape of the award-winning PN 3.0 Tapered-edge mould design for incredible comfort Auto racing inspired air vent chassisBuy ISM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fulcrum Racing 3 Disc Brake Wheelset - Black - Shimano}, Black
  • £399.99
  • RRP £629.99
  • Saving you £37

Fulcrum Racing 3 Disc Brake WheelsetBe race-day ready with this versatile wheelset from Fulcrum. Ideal for road cyclists, it is the ideal choice for tackling the tarmac. Advanced Rim DesignEach element of the rim design has been tweaked to give you more from this wheelset. The material construction uses the highest strength aluminium available, alloy 6082, to ensure durability while remaining lightweight. A rim width of 23.8mm allows for greater traction to make each uphill climb that little bit easier. Fulcrum’s “Rim Dynamic Balance” technique even ensures that the added weight of the gasket has been balanced on the opposite side to give the wheel greater control and responsiveness. These choices allow you to take your ride down any road you like without worrying whether your wheels can handle it.  Innovative Spoke Set-UpEach of these wheels features a dynamic 2:1 spoke ratio set-up to offer remarkable torsional stiffness and power transfer, giving you absolute control of your wheels. Additionally, the disc brake compatible hubset ensures you have more than enough braking power to stop wherever and whenever you need to.Features: Use: Road/GravelTyre Type: Clincher/Tubeless ReadyRim Type: Aluminium Clincher (Tubeless Ready)    Rim Height: 28mm    Rim Width: 23.8mm    Braking System: Disc Brake    Braking Surface: AFS       Spoke Count: Front: 21; Rear: 21       Bearings: Adjustable, Cup & Cone SystemHub: Monoblock for DiscNipple Material: AluminiumSpoke Material: Stainless SteelTubeless Compatible: YesSize: 28"Weight: 1.66kgWeight Limit: 109kgBuy Fulcrum Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Reynolds TR 307 Carbon SRAM XD MTB Wheelset - Black - SRAM XD}, Black
  • £399.99
  • RRP £1099.99
  • Saving you £64

Reynolds TR 307 Carbon MTB WheelsetReady for MTB trail-riding, this wheelet combines flawless ride quality with outstanding durability on the toughest of terrains. It features a lightweight carbon rim construction, which gives it fantastic stiffness without adding any unnecessary weight to your mountain bike. Reynolds has also equipped this model with the same rims as their TRS line of wheels, but with a more economical round spoke, brass nipples and a hub shell that keeps the cost reduced. Coming complete with a Reynolds TR3 hub, this wheelset offers 10 degrees of engagement for fast acceleration and smooth rolling performance.- Asymmetric rim profile provides a stronger wheel through more even spoke tension.- Reynolds TR3 Mountain hub (100% CNC machined) with 10 degrees of engagement.- Can upgrade to TR6 freehub body for 5 degrees of engagement.- Tubeless-ready, hookless rim profile for a no-burp tire fit and ease of inflation.- Features Sapim Sprint spokes and durable brass nipples.Features: Rim Material: Carbon Trail Rated 27.5 Wide 321 with white vinyl decalUse: MTBInner Rim Width: 30mmOuter Rim Width: 36mmRim Depth: 26mmSpokes: F28, R28Spoke Pattern: Front: 3x; Rear: 3xSpoke Type: SprintHub: Front: Reynolds Hub TR3; Rear: Reynolds Hub TR3Nipple Material: External BrassEngagement: 10 degreesPawl: 3Type: SRAM XDWheelset Size: 27.5" Tubeless Compatible: Yes Included: 2x45mm Tubeless Valve Stems; End Caps (15mm FT/12x142mm RR installed); Decal Kits (5 Colors); 30mm Tubeless Tape installed and Reynolds Owner's ManualWeight: 1680gBuy Reynolds Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Reynolds TR 307 Carbon SRAM XD MTB Wheelset - Black - 27.5" (650b), Black
  • £399.99
  • RRP £1099.99
  • Saving you £64

Reynolds TR 307 Carbon MTB WheelsetReady for MTB trail-riding, this wheelet combines flawless ride quality with outstanding durability on the toughest of terrains. It features a lightweight carbon rim construction, which gives it fantastic stiffness without adding any unnecessary weight to your mountain bike. Reynolds has also equipped this model with the same rims as their TRS line of wheels, but with a more economical round spoke, brass nipples and a hub shell that keeps the cost reduced. Coming complete with a Reynolds TR3 hub, this wheelset offers 10 degrees of engagement for fast acceleration and smooth rolling performance.- Asymmetric rim profile provides a stronger wheel through more even spoke tension.- Reynolds TR3 Mountain hub (100% CNC machined) with 10 degrees of engagement.- Can upgrade to TR6 freehub body for 5 degrees of engagement.- Tubeless-ready, hookless rim profile for a no-burp tire fit and ease of inflation.- Features Sapim Sprint spokes and durable brass nipples.Features: Rim Material: Carbon Trail Rated 27.5 Wide 321 with white vinyl decalUse: MTBInner Rim Width: 30mmOuter Rim Width: 36mmRim Depth: 26mmSpokes: F28, R28Spoke Pattern: Front: 3x; Rear: 3xSpoke Type: SprintHub: Front: Reynolds Hub TR3; Rear: Reynolds Hub TR3Nipple Material: External BrassEngagement: 10 degreesPawl: 3Type: SRAM XDWheelset Size: 27.5" Tubeless Compatible: Yes Included: 2x45mm Tubeless Valve Stems; End Caps (15mm FT/12x142mm RR installed); Decal Kits (5 Colors); 30mm Tubeless Tape installed and Reynolds Owner's ManualWeight: 1680gBuy Reynolds Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Reynolds TRS 367 Carbon Mountain Bike Wheelset - Black - SRAM XD}, Black
  • £399.99
  • RRP £1299.99
  • Saving you £69

Reynolds TRS 367 Carbon MTB WheelsetThis MTB wheelset features a tough carbon trail-rated construction, which makes it ideal at withstanding all the abuse that comes with all-day epics in the mountains. Another benefit of its tough rim material is it gives you fantastic stiffness and strength, without adding any excess weight to your mountain bike. Weighing only 1725g, this model is fast when ascending and durable when descending down the trails. Designed to enhance the ride quality of today's modern bikes, it comes tubeless ready, so you can fit higher volume tyres and benefit from superior stability and comfort on the most demanding of riders.Features:Rim: Carbon Trail Rated 27.5 PlusNipple: External AlloyUse: MTBRim Width: 36mmRim Diameter: 27"Spoke Count: Front: 28; Rear: 28 Spoke Pattern: Front: 3x; Rear: 3x, Spoke Type: CX-Delta Spoke Type: CX-DeltaHub: Front: Reynolds Hub TR6, Rear: Reynolds Hub TR6Freehub Body: SRAM XDEngagement: 5 degreesPawl: 6Weight: 1725gTechnologies:Asymmetric rim profile provides a stronger wheel through more even spoke tension5 colour match decals included with wheelsReynolds TR6 Mountain hub (100% CNC machined) with quick, 5 degrees of engagementTubeless-ready, hookless rim profile for a no-burp tire fit and ease of inflationOffered in 24mm, 30mm, and 36mm inner rim widths to match current tyre trendsUtilizes Sapim CX-Delta spokes which offer the same weight as CX-Ray spokes and alloy nipplesBuy Reynolds Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Reynolds TR 307 Carbon Boost MTB Wheelset - Black - Blue - TR 307 E Shimano HG}, Black - Blue
  • £399.99
  • RRP £1299.99
  • Saving you £69

Reynolds TR 307 Carbon MTB WheelsetThis mountain bike (MTB) wheelset features a hard-wearing carbon rim construction, which makes it ideal at handling all the abuse that comes with trail-riding. Another benefit of its lightweight construction is it delivers speedy ascents as you race across the mountain at speed. Coming equipped with a wider rim profile, it's also designed to enhance the ride quality of today's modern mountain bikes by delivering fantastic strength, without adding unnecessary weight to your ride. Features: Rim: Carbon Trail Rated 27.5 Wide 321 Inner Rim Width: 30mm Outer Rim Width: 36mm Rim Depth: 26mm Diameter: 27" Spoke Count: S Option: 28 (Front and Rear); E Option: 32 (Front); 36 (Rear) Spoke Pattern: Front: 3x; Rear: 3x Hub: S Option: Front Reynolds Hub TR6; Rear Reynolds Hub TR6; E Option: Front: Reynolds Hub TRe: Rear: Reynolds Hub TRe Spoke Type: S Option: CX-Delta; E Option: E-Lite JB Nipple: S Option: External Alloy; E Option: External Brass Freehub Engagement: S Option: 5 degrees; E Option: 10 degrees Freehub Pawls: 6 Weight: S Option: 1560g; E Option: 1980gWhat's in the box? TR 307 S Option: 2x45mm Tubeless Valve Stems End Caps (15mm FT/12x142mm RR installed) Decal Kits (5 Colors) 30mm Tubeless Tape installed Reynolds Owner's Manual TR 307 E Option: 2x45mm Tubeless Valve Stems End Caps (15mm FT/12x142mm RR installed) 30mm Tubeless Tape installed Reynolds Owner's ManualTechnologies: Asymmetric rim profile provides a stronger wheel through more even spoke tension Tubeless-ready, hookless rim profile for a no-burp tyre fit and ease of inflationBuy Reynolds Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Mavic Allroad SL Road Disc Wheelset - Black - SRAM XD}, Black
  • £399.99
  • RRP £755.00
  • Saving you £47

Mavic Allroad SL Road Disc WheelsetPrepared for every gravel bike adventure, this wheelset features a lightweight aluminium rim construction that offers smooth and responsive handling when the smooth tarmac comes to an end. Mavic has also equipped this model with its renowned ISM4D technology, which removes material from the rim where it's not needed but keeps it around the spokes, where tension is applied. This means that you'll enjoy its fantastic strength, without any unnecessary weight holding you back. Double-butted spokes further reduce its weight and make each wheel feel more responsive. The spokes have an aero elliptical shape that can save 5 watts of energy while maintaining your speed. Available in either a 650b Road+ option or a 700c version, this wheelset is engineered to deliver a faster and smoother rider on rough roads, gravel and dirt. Allroad SL Road+ 650bThis version features super-wide rims (25mm internal) that are compatible with tubeless tyres up to 64mm to absorb road shocks and vibrations. You get 5cm of “tyre travel” to cushion your ride, and the smaller-diameter rims allow you to retain the agile handling you want with a drop-bar bike.Allroad SL 700cThis version features wide rims (22mm internal) that are compatible with tubeless tyres ranging from 28mm to 64mm for a smooth, efficient ride quality.Lightweight, Tubeless Ready Gravel WheelsetMavic's UST tubeless system has been improved with a revised rim bed shape that makes it easier than ever to install and change tyres. Fore technology attaches the spokes to the rim without the need to drill the upper rim bed, so no tape is required. No hassles, no added weight (another 30g saved).Infinity Hub and Instant Drive 360 FreewheelMavic's Infinity hub platform optimises spoke lacing with highly controlled tension for maximum power transfer, and the Instant Drive 360 freewheel, coupled with the automatic bearing preload adjustment (QRM Auto), provides fast engagement, stiffness and added durability. The wheels use centre-lock brake rotors and are available in Shimano or SRAM XD-Road driver bodies options to choose from. This model can able be converted to Campagnolo with an optional driver body (sold separately). The front hub is a 12mm thru-axle that can convert to 15mm or quick release. The rear is a 12x142 and can also convert to quick release.Features: Rim Material: Aluminium, Hookless profile Hub Material: Front and Rear Bodies: Aluminium; Axle: Aluminium Spoke Material: Steel Use: Road, Gravel Rim Height: 22mm Internal Rim Width: 650b: 25mm; 700c: 22mm ETRTO: 650b: 584x25TSS Road; 700c: 622x22TSS ROAD Tubeless Ready: Yes, UST tubeless technology Brake Type: Disc brake specific profile Tyre Compatibility: UST Tubeless and tube type Rim Technologies: SUP welding technology and Fore tapeless tubeless technology Front Axle: 12mm thru-axle, easily convertible to quick release with optional adaptors (available separately). Convertible to 15mm with complete axle replacement Rear Axle: 12mm thru-axle, convertible to Quick Release with optional adaptors (available separately) Freewheel: Multiple options available to select from the drop-down menu Front Hub: Quick release, 12x100 and 15x100 thru-axle compatible Rear Hub: Quick Release, 12x142 and 12x135 compatible 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 Weight: Pair: 650b: 1555g (Front: 723g; Rear: 832g); 700c: 1590g (Front: 740g; Rear: 850g)Manufacturer's Part Numbers:LP1341100 Black 650b Shimano (Allroad SL Road+ DCL Pr)LP1452100 Black 650b SRAM XD XDR (Allroad SL Road+ DCL Pr XDR)LP1338100 Black 700c Shimano (Allroad SL DCL Pr)LP1473100 Black 700c SRAM XD XDR (Allroad SL DCL Pr XDR)Buy Mavic Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Mavic Allroad S Road Disc Wheelset - Black - Shimano HG}, Black
  • £399.99
  • RRP £445.00
  • Saving you £10

Mavic Allroad S Road Disc WheelsetIdeal for gravel adventures, this road bike wheelset features a durable aluminium rim construction with a hookless profile and a 22mm internal width, which makes it great at handling unpredictable road conditions on your travels. Its UST Road Tubeless technology also means that riders can run lower tyre pressures for even greater comfort and control when the terrain gets tough. Having no tubes also means that there is less friction, better grip and less chances of flats. This makes it a great choice of upgrade for gravel bike riders who want lightweight and durable performance, wherever their next adventure takes them.Lightweight, Tubeless-Ready Road Bike WheelsetThis road bike wheelset's lightweight aluminium rims are plenty wide (22mm internal) and compatible with tubeless tyres from 28mm to 64mm for a smooth, efficient ride quality. Mavic's UST system has been improved with a revised rim bed shape that makes it easier than ever to install and change tyres. Fore technology attaches the spokes to the rim without the need to drill the upper rim bed, so no tape is required. No hassles, no added weight.Infinity Hub and Instant Drive 360 FreewheelThis model is equipped with Mavic's Infinity hub platform, which optimises spoke lacing with highly controlled tension for maximum power transfer. In addition, the Instant Drive 360 freewheel, coupled with the automatic bearing preload adjustment (QRM Auto), provides fast engagement, stiffness and added durability.Centre-Lock Disc-Brake ReadyMatte painted hubs, invisible rim welding and deep black spokes give this wheelset a premium look that stands out from the crowd. The wheels use Centre-Lock brake rotor compatibility and are available with optional Shimano or SRAM XD-Road driver bodies to choose from. This version can also convert to Campagnolo with an optional driver body (sold separately). The front hub is a 12mm thru-axle that can convert to 15mm or quick release. The rear is a 12x142 and can also convert to quick release.Features: Rim Material: Maxtal Aluminium, Hookless profile Hub Material: Front and Rear Bodies: Aluminium; Axle: Aluminium Spoke Material: Steel Use: Road, Triathlon and Gravel Internal Rim Width: 22mm ETRTO: 622x22TSS Road Tubeless Ready: Yes, UST tubeless technology, Fore tapeless tubeless technology Tyre Compatibility: UST Tubeless and Tube type Brake Type: Disc brake specific profile, Centre-Lock Recommended Tyre Sizes: 25 to 32mm Rim Technologies: SUP welding technology Front Axle: 12mm thru-axle, easily convertible to quick release with adaptors (available separately). Convertible to 15mm with complete axle replacement Rear Axle: 12mm thru-axle, convertible to Quick Release with adaptors (available separately) Freewheel: Multiple options available to select from the drop-down menu Front Hub: Quick release, 12x100 and 15x100 thru-axle compatible Rear Hub: Quick Release, 12x142 and 12x135 compatible Hub Technologies: Infinity Hubs, Instant Drive 360 freewheel technology and QRM Auto bearing preload technology Cassette Compatibility: Shimano Option: Shimano/SRAM 9,10 and 11-Speed road cassettes (not XD/XDR); SRAM XD Option: SRAM XD/XDR 11 and 12-Speed cassettes 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: 1765g (Front: 830g; Rear: 935g)Manufacturer's Part Numbers:LP1337100 Black 700c Shimano (Allroad S DCL Pr)LP1449100 Black 700c SRAM XD XDR (Allroad S DCL Pr XDR)Buy Mavic Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Mavic Allroad S Road Disc Wheelset - Black - SRAM XD}, Black
  • £399.99
  • RRP £445.00
  • Saving you £10

Mavic Allroad S Road Disc WheelsetIdeal for gravel adventures, this road bike wheelset features a durable aluminium rim construction with a hookless profile and a 22mm internal width, which makes it great at handling unpredictable road conditions on your travels. Its UST Road Tubeless technology also means that riders can run lower tyre pressures for even greater comfort and control when the terrain gets tough. Having no tubes also means that there is less friction, better grip and less chances of flats. This makes it a great choice of upgrade for gravel bike riders who want lightweight and durable performance, wherever their next adventure takes them.Lightweight, Tubeless-Ready Road Bike WheelsetThis road bike wheelset's lightweight aluminium rims are plenty wide (22mm internal) and compatible with tubeless tyres from 28mm to 64mm for a smooth, efficient ride quality. Mavic's UST system has been improved with a revised rim bed shape that makes it easier than ever to install and change tyres. Fore technology attaches the spokes to the rim without the need to drill the upper rim bed, so no tape is required. No hassles, no added weight.Infinity Hub and Instant Drive 360 FreewheelThis model is equipped with Mavic's Infinity hub platform, which optimises spoke lacing with highly controlled tension for maximum power transfer. In addition, the Instant Drive 360 freewheel, coupled with the automatic bearing preload adjustment (QRM Auto), provides fast engagement, stiffness and added durability.Centre-Lock Disc-Brake ReadyMatte painted hubs, invisible rim welding and deep black spokes give this wheelset a premium look that stands out from the crowd. The wheels use Centre-Lock brake rotor compatibility and are available with optional Shimano or SRAM XD-Road driver bodies to choose from. This version can also convert to Campagnolo with an optional driver body (sold separately). The front hub is a 12mm thru-axle that can convert to 15mm or quick release. The rear is a 12x142 and can also convert to quick release.Features: Rim Material: Maxtal Aluminium, Hookless profile Hub Material: Front and Rear Bodies: Aluminium; Axle: Aluminium Spoke Material: Steel Use: Road, Triathlon and Gravel Internal Rim Width: 22mm ETRTO: 622x22TSS Road Tubeless Ready: Yes, UST tubeless technology, Fore tapeless tubeless technology Tyre Compatibility: UST Tubeless and Tube type Brake Type: Disc brake specific profile, Centre-Lock Recommended Tyre Sizes: 25 to 32mm Rim Technologies: SUP welding technology Front Axle: 12mm thru-axle, easily convertible to quick release with adaptors (available separately). Convertible to 15mm with complete axle replacement Rear Axle: 12mm thru-axle, convertible to Quick Release with adaptors (available separately) Freewheel: Multiple options available to select from the drop-down menu Front Hub: Quick release, 12x100 and 15x100 thru-axle compatible Rear Hub: Quick Release, 12x142 and 12x135 compatible Hub Technologies: Infinity Hubs, Instant Drive 360 freewheel technology and QRM Auto bearing preload technology Cassette Compatibility: Shimano Option: Shimano/SRAM 9,10 and 11-Speed road cassettes (not XD/XDR); SRAM XD Option: SRAM XD/XDR 11 and 12-Speed cassettes 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: 1765g (Front: 830g; Rear: 935g)Manufacturer's Part Numbers:LP1337100 Black 700c Shimano (Allroad S DCL Pr)LP1449100 Black 700c SRAM XD XDR (Allroad S DCL Pr XDR)Buy Mavic Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SRAM RED eTap AXS HRD Shift-Brake System 2020 - Black - 950mm, Black
  • £399.99
  • RRP £563.00
  • Saving you £29

SRAM RED eTap AXS HRD Shift-Brake SystemThis shift-brake system is engineered to provide powerful and consistent braking performance alongside its smooth-shifting functionality. Its brake lever features a carbon construction, which gives it an excellent balance of durability and strength, without adding any unnecessary excess weight to your road bike's handlebar. SRAM has also equipped this model with a plastic shift lever behind the brake lever, so you can effortlessly control both your braking and shifting. Coming complete with a wide range of performance-enhancing technologies including AXS, eTap, Contact Point Adjustment, Bleeding Edge and X-Range, this is a perfect choice of upgrade for greater personalisation and control for modern road cycling.Exploring New Limits Has Never Been EasierFully wireless electronic shifting. Fully hydraulic disc braking. The SRAM RED eTap AXS HRD shift-brake system is the future. And the future is custom. AXS enabled and easily personalised for hand size and reach, this is the best shifting and braking experience — for all riders.SRAM RED eTap AXS offers wider range and closer progression, so you’re always in the right gear. A quiet, secure and smooth ride, whatever the terrain. A system that does exactly what you want, when you want. And it’s still wireless.Features: Brake Lever Material: Carbon Shift Lever Material: Plastic Pad Type: Steel-backed Organic Use: Road Compatible Derailleurs (Hyd): SRAM eTap AXS only Caliper Mount Type: Post mount Hose Connectamajig: Stealth-a-majig Connected Please Note: Rotor and bracket sold separately Single or Pair: SingleTechnologies: Bleeding Edge: With this new caliper fluid circuitry, the bleed port has been moved to the bottom of the caliper, and all four piston bores can communicate. This way, during bleeding fluid naturally fills the caliper, resulting in an easier, more consistent bleed. Contact Point Adjustment: Some people like the instantaneous power of a short lever throw. Others prefer the feel of a longer throw. With Contact Point Adjust, you can pick the position you want your fingers to be in when your brakes are engaged. It’s a quick and easy way to customize the feel of your brakes without having to move the pads. It’s also a way to balance both brake levers to feel exactly the same. Reach Adjust: Brake lever fit and feel is a personal thing. Riders have individual positioning preferences, as well as unique hand sizes and finger lengths. Reach Adjust makes it easy to adjust your lever for maximum one-finger control for everyone. eTap: All of the underlying tech in our new SRAM RED eTap groupset, such as wireless shifting, advanced battery power management, and mechatronics technologies, are meant to serve one ultimate purpose: to facilitate the most intuitive and consistent shifting available. This shift logic is called eTap. Right lever makes it harder, left lever makes it easier, both levers shift the front derailleur. Simple, unmistakable, and intuitive. AXS: AXS is SRAM’s new bike component integration system that connects electronic bicycle components and software. The SRAM AXS app allows riders to see battery status, change component behavior, personalize controls, get maintenance reminders, and update firmware. X-Range: Road bikes are faster and more capable than ever before, and riders are expanding what’s possible with drop bar bikes. X-Range is gearing for today’s road riding. We completely reimagined road gearing for wider range, more useful and smoother gear progression, as well as smarter shift settings—enabled by AXS. With X-Range, you’re always in the right gear.Manufacturer's Part Numbers: ED8392003 Black 950mm Front-RH ED8392000 Black 1800mm Rear-LHBuy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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