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

microSHIFT RD-M21 6-7 Speed Rear Derailleur - Black - Long Cage, Black
  • £3.99
  • RRP £9.99
  • Saving you £60

microSHIFT RD-M21 6/7 Speed Rear Derailleur The microSHIFT RD-M21 rear derailleur is comaptible with 6 and 7-Speed mountain bike drivetrains. Ideal for cross country and general off-road trail riding, this rear mech provides fast and smooth gear shifting performance in all conditions.Key Features: Rear Derailleur for 2/3 x 6 / 7 Speed Direct Attachment Type Long Cage Max. Sprockets: 32T Total Capacity: 43TFeatures: Model No.: RD-M21LA Cassette Compatibility: 6 / 7 Speed Cage Type: Long Cage Front Chainring: Double / Triple Max. Sprocket: 32T Min. Sprocket: 11T Total Capacity: 43T Guide Pulley: Engineering Composite with Steel Bushing Tension Pulley: Engineering Composite with Steel Bushing Bracket Body: Resin / Black Mount Type: Reverse Bracket Type Bracket Pivot Seal: N Plate Body: Resin / Black Plate Pivot Seal: N Outer Link: Resin Steel Inner Link: Black Steel Link Pin Bushing: N Outer Plate: Black Painted Steel Inner Plate: Black Painted Steel Weight: 279g Compatibility: Shimano 6 / 7 Speed MTB Rear Derailleur CompatibleBuy microSHIFT Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Performance Universal Inner Brake Cable
  • £3.99

LifeLine Performance Universal Inner Brake CableThe LifeLine Performance Inner Brake Cable is manufactured using 31 ultra thin stainless steel filaments to create a cable with high corrosion resistance, outstanding flexibility and a high tensile strength. This type of manufacture with its machined finish doesn't just provide excellent durability, it ensures minimal friction to give you smooth braking performance. Compatible with all common drop bar levers and caliper, cantilever, v-brake and mechanical disc brakes.Features:  1x 31 strand stainless steel inner brake cable with superior shine finish - Ø 6x10mm Shimano/SRAM drop bar lever compatible anchor  Single anchor eliminates cutting and possible fraying prior to installation  3x cable end caps included  Superior shine finish for minimal friction with the outer housingBuy LifeLine Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Performance MTB Inner Brake Cable
  • £3.99

LifeLine Performance MTB Inner Brake CableThis performance inner brake cable from LifeLine will instantly improve the performance of your MTB, Hybrid or flat bar Road bike's brakes. Constructed from 31 ultra fine stainless steel filaments and then machined to a smooth finish, you'll have optimum braking performance with smooth and effortless operation. These cables are exceptionally strong, flexible and corrosion resistant and are compatible with caliper, cantilever, v-brakes and mechanical disc brakes. Three cable end caps are included so you can prevent the cable fraying after cutting.Features:  31 strand stainless steel construction for high tensile strength and enhanced flexibility  Flat-bar brake lever compatible anchor  Fits Shimano, Avid and all compatible flat bar brake levers  Compatible with caliper, cantilever, v-brake and mechanical disc brakes  Superior shine finish for minimal friction with the outer housing  Single anchor eliminates cutting and possible fraying prior to installation  3x cable end caps includedBuy LifeLine Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Performance Campagnolo Inner Brake Cable
  • £3.99

LifeLine Performance Campagnolo Inner Brake CableThis performance inner brake cable from LifeLine will instantly improve the performance of your Campagnolo Ergo brakes. Manufactured from 31 ultra fine stainless steel filaments and then machined to a smooth finish, they give optimum braking performance with a smooth and effortless operation. These cables are exceptionally strong, flexible and corrosion resistant and are compatible with caliper, cantilever, v-brakes and mechanical disc brakes. Three cable end caps are included so you can prevent the cable fraying after cutting.Features:  31 strand stainless steel construction for high tensile strength and enhanced flexibility  Ø 5.5mm Campagnolo compatible anchor  Single anchor eliminates cutting and possible fraying prior to installation  Compatible with caliper, cantilever, v-brake and mechanical disc brakes  Superior shine finish for minimal friction with the outer housing  Length: 2000mm  3x cable end caps includedBuy LifeLine Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine SRAM Bleeding Edge Brake Bleed Adaptor - Silver - SRAM}, Silver
  • £3.99
  • RRP £4.99
  • Saving you £20

LifeLine SRAM Bleeding Edge Brake Bleed AdaptorThis adaptor is specifically designed for bleeding SRAM Edge brake systems. Excellent quality spare parts.Features: SRAM Edge AdaptorBuy LifeLine Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Transfil Y-Link Universal Cantilever Brake Cable - 3 Balls}
  • £3.99

Transfil Y-Link Universal Cantilever Brake CableIdeal for when it's time to service your brakes or upgrade your existing cantilever brake cable, this model is engineered for durability so riders can enjoy powerful and consistent braking operation from their braking set-up. Specifically designed for cantilever rim brakes, it features a universal Y-Link design for simple installation and maximum performance.The Transfil Y-Link Universal Brake Cable is made from the highest quality materials. Transfil's technology comes from the research, innovation, and production of the control cables they produce for the French car industry. Their bicycle brake and gear cable accessories, end caps and ferrules are among the most reliable and dependable on the market.Features: Compatibility: Cantilever brakes Universal cantilever link cable Strong and reliableManufacturer's Part Number: KB39 Silver 3 ballsBuy Transfil Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Jagwire Mountain Sport Brake Pads - Black - 70mm}, Black
  • £3.99
  • RRP £4.49
  • Saving you £11

Jagwire Mountain Sport Brake PadsCompatible with Shimano and SRAM linear-pull and cantilever braking systems, these Mountain Sport Brake Pads bring you the confident braking power you need for riding in all conditions. Adopting Jagwire’s All-Weather compound, they are suitable for road and off-road use and offer you consistent stopping ability and fine speed control when you’re taking on long descents.Features: Compatibility: SRAM & Shimano V-Brakes and Cantilever brakes Compound Type: Sport All WeatherMounting: Threaded Post Single or Pair: Pair (One pair required per brake) Use: City, Hybrid, Mountain Bike (MTB) Weight: 58.5gBuy Jagwire Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine M947 Cantilever Post Brake Pads - Black, Black
  • £3.99

LifeLine M947 Cantilever Post Brake PadsThese post type pads from Lifeline use a specially formulated compound for great braking performance in a variety of conditions.Features:  Single piece cantilever brake pads - post type  Hardened steel post  Suitable for alloy rims only  Suitable for cantilever brake which use post type mount only  Sold as 1 pair of pads  Length: 70mm  Buy LifeLine Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine M960V Triple Compound V-Brake Pads - Black, Black
  • £3.99
  • RRP £5.49
  • Saving you £27

LifeLine M960V Triple Compound V-Brake PadsThese LifeLine V-brake shoes and pads use a specially formulated, triple-contour compound design to improve braking performance in a variety of conditions. Their one-piece design keeps the weight down and keeps things rigid for consistent and reliable performance.The tread pattern and shape are designed to minimise noise and maximise water dissipation to ensure consistent, dependable and powerful braking performance all year round.Features:  Triple contour pads, designed to improve braking performance  Tread pattern and shape minimises noise and maximises water dissipation  Single piece brake pads  Suitable for use with Shimano, Avid and Tektro V-brakes  Suitable for alloy rims only  Sold as one pair of pads  Length: 72mm  Buy LifeLine Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Essential Road Brake Pad Inserts - Black - Shimano}, Black
  • £3.99

LifeLine Essential Road Brake Pad InsertsThe LifeLine Essential Road Brake Inserts come in a pack of 4 and offer an amazing value for money option for renewing your brake pads. They will easily slot in to most road bike caliper brakes and feature a compound that is specifically formulated for use on alloy rims.Features:  Brake pad compound formulated specifically for alloy rims  Provides consistent reliable braking  Includes two sets of brake pads  Pads slide in for easy fittingBuy LifeLine Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Essential MTB Dual Stop V-Brake Pads - Red - Black - One Size - Pack Of 4}, Red - Black
  • £3.99
  • RRP £4.99
  • Saving you £20

LifeLine Essential MTB Dual Stop V-Brake PadsThe LifeLine Essential MTB Dual Stop V-Brake Pads feature a Bow type design, which holds the pad rigid to ensure it provides consistent performance. Offering amazing value for money, they come in a pack of four and have a dual compound that has been specifically formulated for use on alloy rims.Features:  Dual compound formulated specifically for alloy rims  For use with V-Brakes  Bow design for consistent reliable braking  Includes two sets of V-brake padsBuy LifeLine Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope Master Cylinder Complete Seal Kit - Sport - Sport Master Cylinder}, Sport
  • £3.99
  • RRP £7.00
  • Saving you £43

Hope Master Cylinder Complete Seal Kit Complete kit of all the rubber seals for each model of Hope brake - Master Cylinder (Lever) and caliper. Buy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope Caliper Seal Kit - Mono Trial Caliper}
  • £3.99
  • RRP £5.00
  • Saving you £20

Hope Caliper Seal KitAvailable in a wide range of options to suit Hope’s most popular mountain bike hydraulic disc brakes, these disc brake seal kits come complete with all you need to refresh the performance of your caliper. With new seals installed, you’ll ensure your brakes perform at their best and you’ll prevent any fluid loss from contaminating your brake pads.Reasons to Buy: Comes complete with all you need to refresh your caliper's performance. Your brakes will perform at their best. Prevents any fluid loss from contaminating your brake pads.Features: Includes all seals for one Hope disc brake caliper Includes: Pistons seals Bleed plug o-ring and cover Manufacturer Reference Codes: Tech M4 & 2013 E4: HBSPC41:TM4; Mini Caliper: HBSPC41:MINI; Mono Mini Caliper: HBSPC41:MM2; C2: HBSPC41:C2; Moto V2: HBSPC41:MV2; Mono Trial: HBSPC41:TRIAL; Trial Zone: HBSPC41:TRIALZONE; Tech V2 2010: HBSPC41:TV2; X2: HBSPC41:TX2; Mono M4: HBSPC41:MM4; E4-Enduro: HBSPC41:E4; M4: HBSPC41:M4; Mono 6: HBSPC41:MM6; V4: HBSPC41:TV4Buy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope Caliper Seal Kit - Trial Zone Caliper}
  • £3.99
  • RRP £5.00
  • Saving you £20

Hope Caliper Seal KitAvailable in a wide range of options to suit Hope’s most popular mountain bike hydraulic disc brakes, these disc brake seal kits come complete with all you need to refresh the performance of your caliper. With new seals installed, you’ll ensure your brakes perform at their best and you’ll prevent any fluid loss from contaminating your brake pads.Reasons to Buy: Comes complete with all you need to refresh your caliper's performance. Your brakes will perform at their best. Prevents any fluid loss from contaminating your brake pads.Features: Includes all seals for one Hope disc brake caliper Includes: Pistons seals Bleed plug o-ring and cover Manufacturer Reference Codes: Tech M4 & 2013 E4: HBSPC41:TM4; Mini Caliper: HBSPC41:MINI; Mono Mini Caliper: HBSPC41:MM2; C2: HBSPC41:C2; Moto V2: HBSPC41:MV2; Mono Trial: HBSPC41:TRIAL; Trial Zone: HBSPC41:TRIALZONE; Tech V2 2010: HBSPC41:TV2; X2: HBSPC41:TX2; Mono M4: HBSPC41:MM4; E4-Enduro: HBSPC41:E4; M4: HBSPC41:M4; Mono 6: HBSPC41:MM6; V4: HBSPC41:TV4Buy Hope Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Jagwire Universal Pro Cable End Tips (Non Crimp) - Black, Black
  • £3.99

Jagwire Universal Pro Cable End Tips (Non Crimp)Standard cable crimps can be tricky to install, but that is no longer the case with Jagwire's innovative Non-Crimps. Installation is quick and tool-free. Non-Crimps slide on easily and stay put. The Non-Crimp's rubber cap ensures a firm fit without the need to crush the crimp and cable. When it's service time, Non-Crimps can be removed and used again. Features: Contains 4 cable ends Can be removed and re-used Tool free fitmentBuy Jagwire Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Jagwire Slick Campagnolo Inner Gear Cable
  • £3.99

Jagwire Slick Campagnolo Inner Gear CableJagwire knows wire - that's why it's in their name. Friction in a shift or brake setup results in poor, sloppy performance, ruining the feel of any bike or system. That's why their wire is manufactured to the highest standards in the industry and are tested and checked thoroughly during manufacture.An upgrade from basic cables, these stainless steel strands are pre-stretched, then extruded through a die that removes the rough edges resulting in a smooth surface that reduces friction along the length of the cable. These cables are the most popular choice for riders balancing performance, durability and cost.Features: Die-extruded stainless steel is corrosion resistant Material: Slick Stainless Steel Diameter: 1.1mm Length: 2300mm Compatibility: Campagnolo Weight: 14.5gBuy Jagwire Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Performance Universal Inner Gear Cable - Shimano - Sram}
  • £3.99

LifeLine Performance Universal Inner Gear CableThe LifeLine Performance Inner Gear Cable gives efficient, reliable shifting to your Shimano or SRAM shifters. Constructed from 31 stainless steel filaments, it is built to last and features a high-shine machined finish to ensure your shifter will have a smooth and maintenance free action. Its common shaped single anchor makes this cable compatible with the most common shifters.Features:  31 strand stainless steel construction for high tensile strength and enhanced flexibility  Single anchor eliminates cutting and possible fraying prior to installation  Superior shine finish for minimal friction with the outer housing  Compatible with MTB Thumb-Shifters and Twist-Grips, Shimano STI Road levers, SRAM DoubleTap Road levers, Down-Tube and TT shifters  Not compatible with Campagnolo shifters Includes:1x stainless steel inner cable with anchor that is compatible with all common shifter types3x cable end capsBuy LifeLine Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Performance Campagnolo Inner Gear Cable - Campagnolo}
  • £3.99

LifeLine Performance Campagnolo Inner Gear CableLifeLine's Performance Inner Gear Cable features a 31-strand stainless steel construction and a machined high-shine finish to help your Campagnolo shifters shift accurately and effortlessly. This machined finish also makes the cables maintenance free for durable consistent performance. A specific 4mm anchor makes this cable compatible with Campagnolo Ergo levers.Features:  31 strand stainless steel construction for high tensile strength and enhanced flexibility  Single anchor eliminates cutting and possible fraying prior to installation  Superior shine finish for minimal friction with the outer housing  Compatible with Campagnolo Ergo leversIncludes:  1x stainless steel inner cable with Ø 4.0mm anchor for Campagnolo shifters3x cable end capsBuy LifeLine Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Transfil Universal Inner Gear Cable - Silver - Shimano}, Silver
  • £3.99

Transfil Universal Inner Gear CableThe Transfil Gear Cable Inner is made from the highest quality stainless steel and has been pre-stretched, meaning they do not require constant adjustment like lots of other cables do as they wear-in. Transfil's technology comes from the research and innovation of the production of the control cables they produce for the French car industry.Features: High-Quality Stainless Steel 1900mm version compatible with Campagnolo 2000mm version compatible with Shimano Pre-Stretched Cable Diameter: Campagnolo Option: 1.2mm; Shimano Option: 1.0mmBuy Transfil Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Transfil Outer Gear Cable Casing - Black - Shimano}, Black
  • £3.99

Transfil Outer Gear Cable CasingWith its Teflon lined and incompressible construction, this outer gear cable will ensure your road or mountain bike’s (MTB’s) gears always operate at their best on every ride. Extremely durable, its 2000mm length means it can be used for either your front or your rear gears, helping you to get top performance from your front or rear derailleur. Install this Tranfil cable casing n your bike and you’ll notice an instant improvement on your component's ease of shifting and it's shifting speed.Features: Length: 2000mm Thickness: 4mmCompatibility: Shimano inner gear cablesUse: Road and mountain bike (MTB)High-QualityTeflon linedSlick, powerful brakingIncompressible cableMade in FranceInner gear cables sold separatelyBuy Transfil Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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