Chain Reaction UK

Chain Reaction UK Rating
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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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Number of Products Listed for Chain Reaction UK

We currently have 41186 products listed for Chain Reaction UK, that's 41186 opportunities for you to save money!

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Chain Reaction UK have 41186 products listed

Shimano XTR-XT-LX-Deore-DXR Ceramic Brake Pads - Black - Pair - For Ceramic Rims}, Black
  • £9.99
  • RRP £10.99
  • Saving you £9

Shimano XTR-XT-LX-Deore-DXR Ceramic Brake PadsEnjoy precise stopping power with these Ceramic Brake Pads from Shimano. Designed for use with ceramic rims, they offer the perfect combination of strength and stopping power, even in tough cycling conditions. These brake pads have a "high" stopping power rating and can be used with mountain bike (MTB) V-Brakes. Features:Brake Type: MTB V-BrakeSingle or Pair: PairCompatible with the following Shimano Models: BR-M770, BR-M600, BR-M432, BR-M420, BR-T4010, BR-M760, BR-M580, BR-M431, BR-M330, BR-T4000, BR-M750, BR-M570, BR-M430, BR-T670, BR-T300, BR-M739, BR-M530, BR-M422, BR-T660, BR-MX70, BR-M737, BR-M510, BR-M421, BR-T610, BR-MC18A 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 M600 One Piece Brake Blocks - Black - LX / Deore / Alivio V-brake}, Black
  • £9.99

Shimano M600 One Piece Brake BlocksThe ideal replacement for your Shimano V-brake, the Shimano M600 One Piece Brake Blocks are suitable for use with Shimano's M-System. What's more, they are calibrated for a seamless installation and unrivalled performance. Features:Calibrated post for easy installationCompatibility: V-BrakeA 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 Tandem Inner Gear Cable - Black, Black
  • £9.99

Shimano Tandem Inner Gear CableThis extra long 3000mm stainless steel inner gear cable ensures smooth and precise shifting performance on your tandem bike. As your cables corrode and wear, over time they can become stiff, gritty and less accurate. With a flexible, corrosion resistant stainless steel construction, this genuine Shimano cable provides fast and responsive action to help you get the best from your groupset.Features: Stainless steel inner wires provide smooth shifting and higher corrosion resistance Suitable for front or rear mechs, just cut to fit Use with SP41 gear cable outer 1.2x3000mmA 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 Nexus Single Speed Chain - Silver - 114 Links}, Silver
  • £9.99

Shimano Nexus Single Speed ChainHard-wearing and with an added treatment to prevent corrosion, the Nexus Single Speed Chain has been made by Shimano from stainless-steel. This ensures your single speed “fixie” or city bike will always have smooth and consistent power delivery, even in poor weather conditions.Features: Material: Stainless Steel Number of Links: 114 Compatibility: Single speed or multi speed internally geared hubsType: HG-X10 Size: 1/2"x1/8" Adjustable: Yes Joining Pin Included: Yes Quick Link Joining Link Included: No Use: City/hybrid and single speed/fixie bikes Manufacturer's Part Number: CN-NX10Weight: 362gA 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 SLX FCM660 9 Speed Triple Chainring - Black - 4-Bolt, Black
  • £9.99

SLX FCM660 9 Speed Triple ChainringThe ideal replacement or upgrade for your mountain bike, this Triple Chainring from Shimano is a genuine replacement part for the FC-M660 crankset. Suitable for use with 9 speed systems, it has a bolt circle diameter of either 64mm or 104mm and benefits from a 4-bolt construction. What's more, Features:Use: Mountain BikeSpeed: 9 SpeedBolt Circle Diameter (BCD): 64mm; 104mmSize: 4-boltPart No: SLX-FCM660A 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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Fizik Tempo MicroTex Classic Handlebar Tape - Honey, Honey
  • £9.99
  • RRP £18.99
  • Saving you £47

Fizik Tempo MicroTex Classic Handlebar TapeThe Fizik Tempo MircoTex Classic Handlebar Tape has been designed super-thin for enhanced handling and control when tackling the trails. Incredibly comfortable and grippy, it is also long-lasting due to its MicroText composition. The handlebar tape has a classic leather-like feel and is smooth allowing you to change your grip with ease, mid-ride. FeaturesMaterial: MicroTex constructionThickness: 2mmTexture: Classic touch, perforated and leather-likeBuy Fizik Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SKS COMPIT Universal Cover Adapter - Black - Compit/+COM/UNIT}, Black
  • £9.99
  • RRP £10.99
  • Saving you £9

SKS COMPIT Universal Cover AdapterThe COMPIT Universal Cover from SKS is a secure, reliable and easy to use adaptor that enables you to mount your smartphone on the SKS COMPIT mounting system.Universal Mounting Adaptor PlateThe universal cover with its special mounting device is another possibility of securely mounting the smartphone on the COMPIT or the +COM/UNIT. The adapter that is made of robust plastic is adhered to the existing hardcover using a self-adhesive 3M film. The adhesive film guarantees the strongest adhesion. The smartphone can then be mounted on the system by it being pushed on and turned over the oversize bayonet mounting.Features: Material: Plastic Dimensions: 60 x 60 x 4 mm Part Number: SKC11541Buy SKS Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Lezyne GPS Bike Bracket Kit - Black, Black
  • £9.99

Lezyne GPS Bike Bracket Kit The Lezyne GPS Bracket Kit is engineered to attach at any 90° angle and still allow the computer to be mounted forward. The two super durable o-rings secure it to the bar, and the patent-pending X-Lock design will prevent the computer from being knocked out.The X-Lock securely fastens the GPS computer to the mount by pressing down at a 45° angle and rotating it forward until it "locks" into place. FeaturesDurable constructionX-Lock design secures your Lezyne GPS computer in place for worry-free riding over any type of terrain Buy Lezyne Nutrition & Training from Chain Reaction Cycles, the World's Largest Online Bike Store.

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crankbrothers Cobalt 1 Setback Seatpost 2017 - Black-Gold - 31.6mm, Black-Gold
  • £9.99
  • RRP £39.99
  • Saving you £75

Crank Brothers Cobalt 1 Setback SeatpostThis brilliant seatpost is perfect for MTB use as it offers amazing stiffness and support as you weave from trial to trail. It features a 6061 aluminium construction which makes it ideal at handling the abuse that comes with aggressive off-road rides. What's most impressive is crankbrothers has also given this version an aluminium clamp and bridge for another layer of robustness as you shred.Features:   Post Material: 6061 Aluminium    Clamp Material: Aluminium   Bridge Material: Aluminium   Use: MTB   Length: 400mm   Clamp Diameter: 27.2mm    Setback: 20mm  Weight: 290g (approx) Buy crankbrothers Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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crankbrothers Shoe Shields for Clipless Pedals - Silver, Silver
  • £9.99

crankbrothers Shoe ShieldsReduces shoe tread interface and protects carbon soled shoes.    Features: Weight: 4g each  Kit Interface: 2 shims  Material: Stainless steel  Compatible With: crankbrothers mnt cleats   Buy crankbrothers Components  from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano ES300 Octalink Bottom Bracket - Black - 73mm x 121mm - English Thread}, Black
  • £9.99
  • RRP £25.99
  • Saving you £62

Shimano ES300 Octalink Bottom BracketSplined bottom bracket for use with Shimano Octalink chainsets.Features: Oversize BB spindle - large 22mm diameter hollow cold forged chrome-moly pipe billet spindle reduces weight, increases strength and rigidity Octalink splined axle/crank arm interface - results in more rigid crank assembly compared to square tapered spindle Sealed cartridge assembly with oversize ball bearings - maintenance-free high efficiency rubber seals keep out dirt, mud, and water Cartridge design allows easy installation without adjustmentA 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 Deore SL-M610-R 10 Speed Gear Shifter - Black, Black
  • £9.99
  • RRP £29.99
  • Saving you £67

Shimano Deore SL-M610-R 10 Speed Gear ShifterThe Shimano Deore SL-M610-R Shifter is ideal for intense mountain bike (MTB) adventures. This mountain bike gear shifter gives you smooth and reliable gear changes on the roughest of rides.Whether you're riding with your friends after work or exploring new trails on your own, this shifter is engineered for performance. It features a Rapidfire Plus lever which is great for riders who want fast shifting as it allows them to shift down up to three gears in one single stroke. Shimano has also kitted out this version with 2-way release technology, which means that the shifter cable is released by pulling with the index finger or pressing with the thumb. Features: Use: MTB SL Cable Adjust: Yes Recommended SL Outer Casing: OT-SP41 (available separately) Release Function: 2-way release Shifter Type: Rapidfire Plus Drivetrain Speed: Front: 2/3-Speed; Rear: 10-Speed Bar MountTechnologies: Rapidfire Plus: Rapidfire Plus has been used by mountain bikers since 1985. Rapidfire Plus is still the first choice for a wide range of riding groups, from Cross Country racers to freeriders and downhillers. Rapidfire Plus is suitable for fast shifting. The rider can shift down up to three gears with one shift stroke. 2-Way Release: All newer Rapidfire Plus shifters are equipped with 2-way release (release in two directions). This means that the shifter cable is released by pulling with the index finger or pressing with the thumb. SP41: With OT-SP41 the entire length of the outer casing (available separately) is pre-lubricated with a special silicone grease for quick and precise shifting performance. OT-SP41 maximally reduces the inner cable friction to provide quick response to operations and easy/effortless shifting. Moreover, power loss due to delay in shifting and fatigue by shifting especially when you ride on the terrain with many ups and downs as well as a long distance is also reduced. 8 colour options are also available for outer casing to meet many requests. Dyna-Sys: SHIMANO's next generation 10-speed MTB drivetrain. SHIMANO presents the drivetrain technology for mountain bikes: DYNA-SYS. This revolutionary technology uses a 10-speed cassette, but that is not the only feature of this system. Highlight is a completely redesigned drivetrain that creates real added benefits for the rider. It's not only an extra gear…It's about closer gear ratios for a smoother shifting performance and improved power transfer. It's about riding optimized gear combinations that improve efficiency and durability. It's all about performance: DYNA-SYS offers a more stable drivetrain for any type of rider!Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Tiagra SL-4700 Gear Lever - Black - Right}, Black
  • £9.99
  • RRP £40.99
  • Saving you £76

Shimano Tiagra SL-4700 Gear LeverA high-quality and versatile gear lever that's specially designed for use with 2x10-speed Shimano Tiagra 4700 components. The Tiagra SL-4700 gear lever is for road bikes and offers a clearly visible optical gear display for flawless shifting. Combining some of the finest technologies available, this advanced gear lever allows for quick shifts, multi-release and 2-way release.Features: Material: Aluminium; Stainless Steel Speed: Front (left): 2-Speed; Rear (right): 10-Speed Compatibility: Shimano road 10-Speed drivetrains Technologies: Rapidfire Plus; 2Way-Release; Instant Release; Optical Gear Display; SP41 Technologies:Multi-Release: Allows shifting two gears at once in both directions. The levers are also equipped with 2-Way Release for different riding styles or shifting (index finger or thumb) from various riding positions. The upper lever still performs the same function, but it swings both ways. Pull it with your finger or push it with your thumb - you choose.Rapidfire Plus: Mountain bikers have used RAPIDFIRE PLUS since 1985. RAPIDFIRE PLUS is still a winning choice from a wide range of riders from XC racers to freeriders. RAPIDFIRE PLUS is suited to quick shifting, giving riders the ability to downshift three gears in one stroke. RAPIDFIRE PLUS shifters from DEORE to XTR all feature 2WAY-RELEASE, which means release shifts by pull of the index finger or push of the thumb.2Way-Release: The Rapidfire Plus shifter release lever is commonly called a trigger because it is operated like a pistol, by pulling toward the grip. The release lever of RAPIDFIRE PLUS shifters from SHIMANO ALIVIO to XTR can be operated in this same manner but adds the ability to activate a release shift by pushing with the thumb.Instant Release: Instant Release E shifting replaces the two-stage click and release shifting you are familiar with. INSTANT RELEASE shifting releases cable as soon the lever is activated, resulting in the quickest possible gear changes. Whether it is an upshift with a top normal rear derailleur or a downshift with low normal rear derailleur a quicker shift is always a better shift.Optical Gear Display: The optical gear display tells you which gear position is selected while riding your bike. You can see how many gears you can select either on the low side or top side, which makes shifting control easier.SP41: With OT-SP41 the entire length of the outer casing is pre-lubricated with a special silicone grease for quick and precise shifting performance. OT-SP41 maximally reduces the inner cable friction to provide quick response to operations and easy/effortless shifting. Moreover, power loss due to delay in shifting and fatigue by shifting especially when you ride on the terrain with many ups and downs as well as a long distance is also reduced. 8 color options are also available for outer casing to meet many requests.A 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 Road Stainless Steel Brake Cable Set AU - Black, Black
  • £9.99
  • RRP £22.99
  • Saving you £57

Shimano Road Brake Cable Set - Front & RearComplete road brake cable set designed using stainless steel inner wires for increased service life.Features: Stainless steel inner wires provide smooth shifting and higher corrosion resistance Complete Set Includes 1.6mm inner wires (1 x 1000mm and 1 x2050mm), and 5mm outer casing for a complete bike (1 x 2200mm), and all end caps Rear Only Set Includes 1400mm Inner wire and 1250mm outer casing Outer casing is lined with a polymer sheath to assist with the smooth operation of the inner wireA 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 M3050 Rear Hub - Black - 36H 135mm QR}, Black
  • £9.99
  • RRP £23.99
  • Saving you £58

Shimano M3050 Rear HubThe Shimano M3050 Rear Hub features QRx135mm hub spacing and centre lock rotor mount for use with mountain bikes. Plus, it's 8/9/10-speed compatible and has an easy adjustable Cup and Cone bearing system.The Shimano Acera FH-M3050 uses high-quality seals and an adjustable cup and cone bearing system. It is compatible with Centre Lock disc brake rotors and quick release dropouts. Features: Durable performance Prevent mud intrusion High-quality seal Adjustable bearing system (Cup and Cone) Centre Lock system for easy setup Flange Diameter (Left/Right): 53.8mm Flange Distance: 57.4mm O.L.D.: 135mm Offset: 6.6mm P.C.D. (Left/Right): 45/45mm Weight: 386gBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano RT-54 Centre-Lock Disc Rotor - Silver - 180mm Internal Serrated Ring}, Silver
  • £9.99
  • RRP £24.99
  • Saving you £60

Shimano RT-54 Centre-Lock Disc RotorThe RT-54 Centre-Lock Disc Rotor from Shimano is ideal for use with Shimano hydraulic mountain bike (MTB) brakes and provides exceptional stopping power in all weather conditions.This stylish design features a stainless-steel construction with an aluminium spider at its core. Its build assists with heat dissipation and helps maintain consistent braking performance as you ride from trail to trail. Plus, it uses Shimano's Centre-Lock system for quick and easy mounting and hassle-free maintenance. Features: Rotor Material: Stainless Steel Spider Material: Aluminium Use: MTB Design: 2-piece Brake Pad Compatibility: Resin Part Number: 3056001114Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano RT-54 Centre-Lock Disc Rotor - Silver - 180mm External Serrated Ring}, Silver
  • £9.99
  • RRP £24.99
  • Saving you £60

Shimano RT-54 Centre-Lock Disc RotorThe RT-54 Centre-Lock Disc Rotor from Shimano is ideal for use with Shimano hydraulic mountain bike (MTB) brakes and provides exceptional stopping power in all weather conditions.This stylish design features a stainless-steel construction with an aluminium spider at its core. Its build assists with heat dissipation and helps maintain consistent braking performance as you ride from trail to trail. Plus, it uses Shimano's Centre-Lock system for quick and easy mounting and hassle-free maintenance. Features: Rotor Material: Stainless Steel Spider Material: Aluminium Use: MTB Design: 2-piece Brake Pad Compatibility: Resin Part Number: 3056001114Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Enduro Bearings ABEC5 Bearing (61802 SRS) - Silver, Silver
  • £9.99

Enduro Bearings ABEC5 Bearing (61802 SRS)Built to deal with the rigours of hard riding, this extremely durable bearing by Enduro Bearings is of the highest military grade in terms of strength and performance. Capable of tolerances twice as tight as ABEC 3 models, this ABEC 5 bearing has top-level grading and high-carbon chromium-alloy mirror polished races to keep your hubs and bottom brackets running as smoothly as possible. Almost silent in function, it is well lubricated for a frictionless performance and longevity. Features: Dimensions: 15x24x5mm ABEC: 5 Grade: 5 Seals: SRS Grease: Kyodo Yushi PS-2 Application: Hubs, Bottom Brackets Weight: 6.63g Technologies:SRS Seals: Two NBR 70 rubber seals with an axial face seal, this seal has a large contact surface area while running very smoothly and freely. They are easily removable with a snap ring which holds them in place, making them easy to service.Kyodo Yushi PS-2: This grease has a protective interface between ceramic balls and metal races and for its high-speed properties and minimum rolling resistance. Speed and Protection for high precision bearing systems.Buy Enduro Bearings Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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MRP Wave Chainring - Race Face - Black - 34t}, Black
  • £9.99
  • RRP £79.99
  • Saving you £88

MRP Wave Chainring - Race FaceThe Wave chainring is an evolution in narrow/wide chainring designs. The wider spacing ensures that mud is cleared more efficiently whilst still maintaining a tight grip on chain security.Features: Material: CNC machined 7075 Aluminium Compatibility: Race Face Cinch direct mount cranksets Available in 28-42T even sizes Designed for Single Ring 1x 8, 9, 10 or 11-Speed drivetrainsBuy MRP Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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MRP Wave Chainring - Race Face - Black - 28t}, Black
  • £9.99
  • RRP £79.99
  • Saving you £88

MRP Wave Chainring - Race FaceThe Wave chainring is an evolution in narrow/wide chainring designs. The wider spacing ensures that mud is cleared more efficiently whilst still maintaining a tight grip on chain security.Features: Material: CNC machined 7075 Aluminium Compatibility: Race Face Cinch direct mount cranksets Available in 28-42T even sizes Designed for Single Ring 1x 8, 9, 10 or 11-Speed drivetrainsBuy MRP Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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