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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We currently have 421 different brands listed for Chain Reaction UK in our database

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

Race Face Narrow Wide Stamped Chainring - Black - 32t}, Black
  • £14.99
  • RRP £44.95
  • Saving you £67

Race Face Narrow Wide Stamped ChainringBolt-on this do-it-all chainring with reversible laser etched graphics and you're ready to rip. Built strong with aerospace-grade aluminium and our trusted narrow wide tooth profiling, this ring can hang with everyone from DH racers to XC adventurers.Perfect TeethThis chainring uses the trusted RF alternating narrow-wide tooth configuration for a more secure chain hold and unbeatable chain retention.Don't Bend Don't BreakA burly 4mm thick 7075-T6 alloy plate makes this chain ring super stiff and strong as an ox. This ring wants you to always put your best foot forward.Features: Material: 7075 Aluminium Use: Mountain Bike (MTB), Cross Country (XC) and Downhill (DH) Bolt Circle Diameter (BCD): 104mm Arm Type: 4-arm Chainring: 1x Weight: 70gManufacturer's Part Numbers: D40278BLK Black 30T D40350BLK Black 32T D40351BLK Black 34TBuy Race Face Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Race Face Direct Mount Stamped NW Chainring - Black - 32t}, Black
  • £14.99
  • RRP £54.95
  • Saving you £73

Race Face Direct Mount Stamped NW ChainringCompatible with 1x9, 1x10, 1x11, and 1x12-speed drivetrains, this Race Face Cinch mount compatible chainring offers fantastic performance and style benefits to any mountain bike (MTB).Race Face put a lot of thought into this CINCH chainring so that you don't have to. Loaded with innovation and toughness, this direct mount ring holds the chain tight with narrow-wide tooth profiling and comes in tons of options to compliment your build.Perfect HoldThis chainring has an alternating narrow-wide teeth configuration for unbeatable chain retention no matter how bumpy things get on the trail.Torque It Real GoodManufactured from forged 7075-T6 alloy, this tough chainring can stand up to anything your jacked quads can throw at them.Features: Material: 7075-T6 Aluminium, aerospace grade strength Use: Mountain Bike (MTB) Speed: 1x9, 1x10, 1x11, and 1x12-speed compatible Chainring Style: Direct Mount Compatibility: Cinch Direct Mount Cranks Stiff 4mm plate thickness to transfer loads without flexing Weight: 33gManufacturer's Part Numbers: D40224 Black 28T D40421 Black 30T D40422 Black 32T D40425 Black 38TBuy Race Face Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Race Face Direct Mount Stamped NW Chainring - Black - 28t}, Black
  • £14.99
  • RRP £54.95
  • Saving you £73

Race Face Direct Mount Stamped NW ChainringCompatible with 1x9, 1x10, 1x11, and 1x12-speed drivetrains, this Race Face Cinch mount compatible chainring offers fantastic performance and style benefits to any mountain bike (MTB).Race Face put a lot of thought into this CINCH chainring so that you don't have to. Loaded with innovation and toughness, this direct mount ring holds the chain tight with narrow-wide tooth profiling and comes in tons of options to compliment your build.Perfect HoldThis chainring has an alternating narrow-wide teeth configuration for unbeatable chain retention no matter how bumpy things get on the trail.Torque It Real GoodManufactured from forged 7075-T6 alloy, this tough chainring can stand up to anything your jacked quads can throw at them.Features: Material: 7075-T6 Aluminium, aerospace grade strength Use: Mountain Bike (MTB) Speed: 1x9, 1x10, 1x11, and 1x12-speed compatible Chainring Style: Direct Mount Compatibility: Cinch Direct Mount Cranks Stiff 4mm plate thickness to transfer loads without flexing Weight: 33gManufacturer's Part Numbers: D40224 Black 28T D40421 Black 30T D40422 Black 32T D40425 Black 38TBuy Race Face Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hiplok Z-LOK Cable Tie Lock (Twin Pack) - Lime, Lime
  • £14.99
  • RRP £17.99
  • Saving you £17

Hiplok Z-LOK Cable Tie Lock (Twin Pack)Keep your bike safe and protected, with this secure Cable Tie Lock from Hiplok. This extra level of defence offers convenient protection in the style of a reusable zip tie, when attaching your bike to car racks or outdoor equipment. Benefiting from a reinforced steel core, it is suitable for everyday use and uses a universal release key.Features:Twin PackDouble locking mechanismReinforced steel coreUniversal release keyArmoured reusable cable tieDouble-sided ratchet designBuy Hiplok from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano M3100 Alivio Mountain Bike Gear Shifter - Black - Band On, Black
  • £14.99
  • RRP £22.99
  • Saving you £35

Shimano M3100 Alivio Mountain Bike Gear ShifterReady for MTB adventures, this Rapidfire lever equipped shifter gives you smooth and crisp gear changes on every off-road ride. It features a shifter pod design with 2-way release technology, which allows shifting from various riding positions. This means that it can be released in either direction using your thumb or index finger. In addition, its low-friction design means that the shifter has a light and responsive short-stroke action that reduces shifting effort.Features: Use: MTB Speed: Multiple options available Release: 2-way Release Lever Type: Rapidfire lever Brake Lever Compatibility: Pod design allows the use of these shifters with any brake lever Mount Type: Band On Optical Gear Display: No Adjustment: Barrel adjuster Pair or Single: Single Included: Complete with Optislick inner and SP41 outer cables Part Numbers: Left: SLM31002L; Left 3 Speed: SLM3100L; Right: SLM3100RTechnologies: 2-Way Release: 2-way release allows shifting from various riding positions; the upper lever still performs the same shift function, but it can now swing in either direction allowing it to be released by the thumb or index finger. Low Friction Design: Low-friction design means that shifters have a light and responsive short-stroke action that reduces shifting effort. Barrel Adjuster: Barrel adjuster for fine gear tuning. Rapidfire Lever: Rapidfire lever for crisp gear shifting.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 Tiagra 4700 10 Speed Rear Derailleur - Grey - Short Cage}, Grey
  • £14.99
  • RRP £39.99
  • Saving you £63

Shimano Tiagra 4700 10 Speed Rear DerailleurSporting the new grey anodised finish, the Shimano Tiagra 4700 10 Speed Rear Derailleur (GS) carries the chain across the sprockets with ease. It delivers high-performance gear changes and operation all at a low price.Features: Speed: 10-Speed Wide link design increases rigidity and service life Advanced light action for low-friction shifting up or down the block Alloy body's and outer link leads to lower weight without compromising strength and durability 11 tooth pulleys for reduced pulley wear and chain noise Two fluorine-coated link pin bushings for low-friction performance Low Sprocket Maximum: Short Cage (SS): 28T(Front double), 25T Front triple); Medium Cage (GS): 34T (Front double) 32T (Front triple) Low Spocket Minimum: 28T (Front double) 25T (Front triple) Maximum Front Difference: 16T (Front double) 20T (Front triple) Total Capacity: Short Cage (SS): 33T; Medium Cage (GS): 41TA 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 Ultegra RD-6700 10 Speed Jockey Wheels - Black, Black
  • £14.99
  • RRP £16.99
  • Saving you £12

Shimano RD-6700 Ultegra 10 Speed Jockey WheelsThese top-quality jockey wheels are specifically developed for use with Shimano RD-6700 Ultegra rear mechs. Engineered as a direct replacement for your existing wheels, these superb components deliver an easy and responsive feel. Perfect for riders who want to bring their rear mech back to the crisp direct engagement which you first experienced, these offer crucial tension and torque with their every rotation.Features:Use: Road Compatibility: Shimano RD-6700 Ultegra rear derailleurs Speed: 10 speed Weight: 19g (approx)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 Deore M4100 2x10 Speed Front Derailleur - Side Pull Direct Mount}
  • £14.99
  • RRP £27.99
  • Saving you £46

Shimano M4100 Deore 10Sp Double Front DerailleurBringing even more adventure to your outdoor lifestyle, this front mech offers improved chain stability and sharp shifting on the trails. It features a robust alloy construction with a reinforced steel chain guide, which makes it more than ready for any off-road ride. Designed with modern trail bikes in mind, Shimano has equipped this model with Side Swing technology, which increases tyre clearance while its cable routing results in the lightest shifting action yet.Features: Front Mech Material: Alloy Chain Guide Material: Reinforced Steel Use: MTB Speed: 10 speed Mounting Options: Direct mount, E-type and Low Clamp options available to select Chainline: Chainline both 48.8/51.8mmMax Chainring: For double 38 tooth max chainringPivot Link: Wide pivot link designCable Routing: Side pull cable routing Single or Pair: Single Part Number: Direct Mount: FDM4100D4; E-Type: FDM4100E4; Low Clamp: FDM4100MX4Technologies: Side Swing: Side swing, side pull front derailleur decrease problems with tyre clearance and reduces cable friction. Designed specifically with modern trail bikes in mind, Shimano side swing technology front derailleurs increases tyre clearance, while cable routing resulting in the lightest shifting action yet. Wide Pivot Link: Wide pivot link design for greater torsional rigidity improves shifting response and service life.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 G04Ti Metal Bike Disc Brake Pads - Metal - Ti Plate}
  • £14.99
  • RRP £24.99
  • Saving you £40

Shimano G04Ti Metal Bike Disc Brake PadsWith their upgraded titanium backplate and versatile compound, the G04Ti Metal Disc Brake pads deliver outstanding stopping power, even in the harshest riding conditions. Compatible with a wide range of Shimano’s hydraulic disc brakes, the titanium plate helps to disperse heat build-up and keeps the overall weight down too. Features: Compound: Rigid metal compound Pad Shape: Narrow Brake Type: 2-Piston Titanium backplate - lighter and insulates heat better Longer service life High power in severe conditions Designed for muddy and sandy conditions Shimano "High" stopping power rating Pack of two pads (for one brake) Spring clip and pin included Manufacturer's Part Number: Y8LW98010Compatible with the following Shimano Models:BR-M9000 - BR-M785 - BR-S700 - BR-R515 - BR-M9020 - BR-M675 - BR-CX75 - BR-R315 - BR-M987 - BR-M666 - BR-RS785 - BR-M985 - BR-M615 - BR-R785A 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 R55C3 Dura-Ace 7900 Brake Pads - Black - Pair - For Carbon Rims}, Black
  • £14.99
  • RRP £24.99
  • Saving you £40

Shimano R55C3 Dura-Ace 7900 Brake Pads Genuine Shimano replacements, the R55C3 Dura-Ace 7900 Brake Pads will ensure you get the best possible performance from your Shimano road bike brake calipers when running wheels with carbon fibre braking surfaces. As they have a carbon-specific compound, they bring you reliable braking power, without risking damage to your expensive carbon fibre wheelset. Features: Compatibility: 7900, 7800, 7700, 6700, 6600, 6500, 5700, 5600 and 5500 road bike caliper brakesPad compound formulated for use with carbon rim braking surfacesPack of two pads (two pads required per brake)Genuine Shimano replacement parts 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 XTR Mount Adaptor Front Post to Post - Black - 203mm Rotor - Post Mount 180mm Fork}, Black
  • £14.99

Shimano XTR Mount Adaptor Front Post to PostPart of the XTR range, this Shimano Post to Post SM-MA90 adaptor adapts post mount forks and positions the caliper to accommodate a larger 180mm rotor.Features: Use: Front Post Mount Disc Size Compatibility: 180mm For post type disc calipers to be mounted to post type forks with 180mm disc rotors Manufacturer's Part Number: SMMA90F180PPA 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 XTR Mount Adaptor Front Post to Post - Black - 180mm Rotor - Post Mount 160mm Fork}, Black
  • £14.99

Shimano XTR Mount Adaptor Front Post to PostPart of the XTR range, this Shimano Post to Post SM-MA90 adaptor adapts post mount forks and positions the caliper to accommodate a larger 180mm rotor.Features: Use: Front Post Mount Disc Size Compatibility: 180mm For post type disc calipers to be mounted to post type forks with 180mm disc rotors Manufacturer's Part Number: SMMA90F180PPA 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 RT66 Disc Brake Rotor (6 Bolt) - Silver - 180mm}, Silver
  • £14.99
  • RRP £26.99
  • Saving you £44

Shimano RT66 Disc Brake Rotor (6 Bolt)Reliable, efficient and trail-ready, the Shimano SLX RT66 Brake Rotor will help your disc brakes to provide confidence-inspiring stopping power as you're descending technical descents and pushing your mountain bike (MTB) riding to the limit.This superb Shimano SLX rotor is manufactured from stainless steel for durable performance with impressive stopping power. This is an ideal rotor for improving your stopping power and breathing new life into your existing disc brakes, allowing you to benefit from a more controlled riding experience.Features: Material: Stainless Steel Mount Type: 6-bolt international standard mounting system Mounting Bolts Included: Yes Compatibility: Shimano mountain bike (MTB) disc brakesBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano 11 Speed Quick Link Replacement Part 2017 - Silver, Silver
  • £14.99

Shimano 11 Speed Quick Link Replacement PartThis 11 Speed Quick Link from Shimano has been made for tool-free repair for quick and easy use when on the go.FeaturesGenuine replacement partComes with quick link designTool-free chain repairCompatibility: Compatible with Shimano 11 speed chainsSpeed: 11-SpeedBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Tiagra FC4650 10sp Compact Chainrings - Silver - 34t}, Silver
  • £14.99
  • RRP £19.99
  • Saving you £25

Shimano Tiagra FC4650 10sp Compact ChainringsSG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shiftingFeatures:Material: aluminiumWeight: approx. 824 gram (175mm crank arm length without BB cups)Included in delivery: without bottom bracket cupsTeeth: 50-34Fitting for derailleur: Shimano 10-speedAxle profile: integrated axleBolt Circle: 110mmA 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 Bar Gel Pad Set - White - 4 Pack}, White
  • £14.99
  • RRP £17.99
  • Saving you £17

Fizik Bar Gel Pad Set Long-distance rides can cause pain and discomfort to your hands, so this shock-aborbing bar Gel Pad Set from bike component experts Fizik is the ideal addition to your endurance road bike. The advanced gel is long-lasting and does not harden or deteriorate, plus as each pad is adhesive, they stay in place. Four pads are included, so you can add them to the key contact points on your drop bars before installing your bar tape.Features: Made of Technogel so it won't harden, break down or migrate Shock-absorbing pads Fit any bar Washable Re-usableIncluded: 2 curved and 2 straight bar gel padsBuy Fizik Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano AX56 E-Thru Axle - Black - M12 x 142mm 171mm P1.5}, Black
  • £14.99
  • RRP £31.99
  • Saving you £53

Shimano AX56 E-Thru AxleThis genuine replacement E-thru axle has been designed to work perfectly with Shimano's Deore M6000 series, offering a rigid and reliable performance that's perfect for your mountain biking needs.Features: Compatibility: Shimano Deore M6000 series Weight: 75gBuy Shimano Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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North Shore Billet RockShox Suspension Fork Cable Guide - Black, Black
  • £14.99

North Shore Billet RockShox Cable GuideThese finely crafted cable guides are the ultimate accessory for your RockShox fork! Now you can colour match your cable guide to the Red and Blue adjustment dials, your frame colour, your stem colour….. pretty much anything! Features: Suitable for: Fits 2011, 2012, 2013, 2014 RockShox ForksSID RLT TiSID RLTRevelation RLTRevelation RLT TiPikeRebaSektor30 Gold TKSupplied with (1) M3 X 10 screwCNC machined from 6061 T6511 aluminium with protective anodized finishWeight: 3gBuy North Shore Billet Forks from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope RS4 Centre Lock Rear Conversion - 12mm}
  • £14.99

Hope RS4 Centre Lock Rear ConversionThese kits are specifically for the Hope RS4 CL rear hub and enable you to match up your favourite Hope Road hub with the latest frame standards.Features: Specifically for Hope RS4 CL rear hubs Hope Part Numbers: HUB490 (QR), HUB491 (12mm thru), HUB492 (X12)Buy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope RS4 Centre Lock Rear Conversion - X12}
  • £14.99

Hope RS4 Centre Lock Rear ConversionThese kits are specifically for the Hope RS4 CL rear hub and enable you to match up your favourite Hope Road hub with the latest frame standards.Features: Specifically for Hope RS4 CL rear hubs Hope Part Numbers: HUB490 (QR), HUB491 (12mm thru), HUB492 (X12)Buy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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