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

Park Tool Pin Spanner (SPA-2) - Red, Red
  • £10.99

Park Tool Pin Spanner (SPA-2)Bringing you excellent versatility at a budget-friendly price, the SPA-2 Pin Spanner works on a wide range of crankset lock rings and freewheel cone adjusters. Made from durable carbon tool steel that’s dipped in vinyl for a comfortable grip, Park Tool colour codes each tool so you can quickly find the size you need.Features: Material: Carbon Tool Steel with Vinyl-dipped handle Fits one-key release retaining rings on Shimano® and Campagnolo® cranksets and the adjusting cone on most freewheel clusters (not freehubs) Adjusts to a wide range of pin hole widths Pin diameter is nominally 0.090" (2.3mm)Buy Park Tool Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Weldtite Jetvalve CO2 Cyclinders - 16g - Silver - 5 Pack}, Silver
  • £10.99
  • RRP £11.99
  • Saving you £8

Weldtite Jetvalve CO2 Cyclinders (16g) The Jetvalve 16g CO2 Cylinders from Weldtite are threaded cylinders for use with the Weldtite Jetvalve CO2 inflator head.Features: Replacement CO2 cylinders for use with the Weldtite Jetvalve Threaded 16g CO2 cylinders Compatible with the Jetvalve inflator head Part Number: 07009Buy Weldtite Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Park Tool Pin Spanner (SPA-1) - Green, Green
  • £10.99

Park Tool Pin Spanner SPA-1Park Tool Pin Spanners have been designed to give maximum usefulness and versatility at the lowest possible cost. Tough, high carbon tool steel is used on each tool to ensure long life. Handle is vinyl coated to give a good grip. Each Pin Spanner is color coated for easy recognition.Featues:Fits adjusting cup on many adjustable type bottom brackets Round pin ends have a diameter of 2.9mmBuy Park Tool Workshop Tools from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Park Tool Hex Tool (HT) - Blue - Black - 6mm, Blue - Black
  • £10.99

Park Tool Hex Tool (HT)This Hex Tool from Park Tool is an essential addition to your cycle workshop. Designed with a streamlined handle for extra comfort and support, it has a strong and durable 8mm hex on one end and an 8mm ball end hex on the other, to make light work of the task at hand.Features:Specially designed for pedals, the HT-6 hex tool is designed and built for speed, leverage, and comfortHT tools feature an ergonomically designed screwdriver grip, with an extra-long, super strong hex on one end and a ball driver hex on the otherBuy Park Tool Tools from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Park Tool Hex Tool (HT) - Blue - Black - 8mm, Blue - Black
  • £10.99

Park Tool Hex Tool (HT)This Hex Tool from Park Tool is an essential addition to your cycle workshop. Designed with a streamlined handle for extra comfort and support, it has a strong and durable 8mm hex on one end and an 8mm ball end hex on the other, to make light work of the task at hand.Features:Specially designed for pedals, the HT-6 hex tool is designed and built for speed, leverage, and comfortHT tools feature an ergonomically designed screwdriver grip, with an extra-long, super strong hex on one end and a ball driver hex on the otherBuy Park Tool Tools from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Park Tool Chain Checker CC-3.2 - Silver, Silver
  • £10.99

Park Tool Chain Checker CC-3.2This performance and time-saving Chain Checker CC-3.2 from Park Tool helps you detect where exactly your chain needs changed. Accurate and Simple Wear IndicatorA 'go/no go' chain wear indicator, the CC-3.2 is an easy to use tool for making sure your chain is in top condition or to let you know when to replace it. One end of the tool hooks into your chain for stability while the other will either stay supported by the link it reaches if there is no wear or will fall flush into the link if wear is found. Set to measure at 0.5% and 0.75% wear, as this is when most manufacturers recommend changing your chain, the Chain Checker CC-3.2 will not only keep on top of your chain's performance but will also protect your sprockets from any associated wear.FeaturesCompatibility: All 1/2" Pitch Chains from 1-12-Speed (Check with manufacturer for exact replacement specifications and instructions)Optimum Replacement Measurements: 9 and 10-Speed Chains - 0.75% Side, 11 and 12-Speed Chains -0.5% SideBuy Park Tool Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Park Tool Shop Cone Wrench (SCW) - Blue - Black - 17mm, Blue - Black
  • £10.99

Park Tool Shop Cone Wrench (SCW)The standard of the industry, Park Tool Shop Cone Wrenches (SCW) are now available in a 23mm size to fit Shimano 15mm thru axle hubs. Precision sizing and a military grade industrial phosphate finish ensure an accurate fit and consistent quality.Features:Long, vinyl dipped handle for leverage and comfortable useThin enough to use on the narrowest of adjusting conesBuy Park Tool Workshop Tools from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Park Tool Shop Cone Wrench (SCW) - Blue - Black - 15mm, Blue - Black
  • £10.99

Park Tool Shop Cone Wrench (SCW)The standard of the industry, Park Tool Shop Cone Wrenches (SCW) are now available in a 23mm size to fit Shimano 15mm thru axle hubs. Precision sizing and a military grade industrial phosphate finish ensure an accurate fit and consistent quality.Features:Long, vinyl dipped handle for leverage and comfortable useThin enough to use on the narrowest of adjusting conesBuy Park Tool Workshop Tools from Chain Reaction Cycles, the World's Largest Online Bike Store.

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KMC Missing Link Connector Pliers - Red, Red
  • £10.99

KMC Missing Link Connector PliersKMC ChainsFor many years KMC has enhanced the technology behind bicycle chains through research, development, continuous innovation and valuable feedback from the World's top professional racers. KMC’s pursuit of perfection has led to repeatedly being honoured with the industry’s top design awards.KMC currently produces in excess of 100 million chains every year.Features:KMC workshop pliers for quick connection of joining linksRubber handleA must-have for: MissingLink 11/MissingLink 10 Pro extreme/MissingLink 1KMC only makes chains. All KMC R&D efforts focus on chains - and how the efficiency of their chains will compliment your drivetrain .Service, top quality and reliability is always KMC's top priority; consequently famous bicycle brands all over the world are now using KMC chains as original equipment on their bikes.Compatibility & DurabilityKMC’s derailleur chains are compatible with any system, in fact KMC does not distinguish between MTB and road chains. Product designations clearly indicate their usage, eg the X10-series fits any 10-speed system.Compared to other renowned chain brands, KMC X-series chains live longer - as proven in many road tests; to back up this claim KMC is the only chain manufacturer offering a unique satisfaction warranty.Buy KMC Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Jagwire Mountain Pro V-Brake Pads - Black - Pro All Weather}, Black
  • £10.99
  • RRP £14.99
  • Saving you £27

Jagwire Mountain Pro V-Brake PadsThe Mountain Pro Brake Pads are compatible with Shimano and SRAM linear pull and cantilever braking systems. They feature the tried and true Sport All-Weather compound with enhanced performance in wet and dry conditions as well as superior modulation and stopping power.Features: Compatibility: SRAM & Shimano Compound: Pro All Weather Weight: 54.8gBuy Jagwire Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Jagwire Pro Semi Metallic Disc Brake Pads - Black - SRAM Red 22 B1}, Black
  • £10.99

Jagwire Pro Semi Metallic Disc Brake PadsFeaturing a high-performance semi-metallic compound that combines the low noise properties of a resin pad with the durability and predictability of a metallic pad, the Jagwire Pro Semi-Metallic Disc Brake Pads are a great option for all-round conditions. The aluminium backing plate reduces weight by almost 50% compared to the equivalent steel backing plate making these perfect for XC and road use.Features: Backing Plate: Aluminium Compound: Semi Metallic Low noise, high-performance, durableBuy Jagwire Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Kool Stop MTB Contoured V-Brake Pads - Salmon - Stud Pad}, Salmon
  • £10.99

Kool Stop MTB Contoured V-Brake PadsThe Kool Stop MTB Contoured Pads are a top choice for mountain bike  direct pull brakes. Featuring a curved design, which allows this longer more  rigid pad to contour the rim to provide a better braking surface and ultimately  better brake performance.Features:Hardened and Plated reinforced steel backbonePatented Angled tip plowWater groovesKnurl-lock washer systemAvailable in Threaded and 2024 Aluminium Smooth PostRim Friendly CompoundsBuy Kool Stop Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Kool Stop Campagnolo Super Record Brake Pad Set - Green - Ceramic}, Green
  • £10.99

Kool Stop Campagnolo Super Record Brake Pad SetThe Kool Stop Campy Super Record Inserts are replacement pad inserts, which are designed to fit the modern Campagnolo Skeleton brake holders and are also compatible with Campagnolo holders made from the 2000 to present day.Features:Water Grooves to water displaceRim FriendlyBuy Kool Stop Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Kool Stop Mountain Cantilever Brake Pads - Cantilever}
  • £10.99

Kool Stop Mountain Cantilever Brake PadsFeaturing a hardened and plated reinforced steel backbone, these cantilever brake pads offer durable and reliable performance on your mountain bike (MTB) adventures. Kool Stop has also equipped these with a rim-friendly compound that's ideal for regular dry conditions. Coming complete with a range of technologies, these also include a curved design that allows this longer and more rigid brake pad to contour the rim for superior braking performance. Specifically designed for use with direct-pull cantilever brakes.Features: Backing Material: Hardened and Plated reinforced Steel backbone Compound: Rim Friendly Compound, for regular, dry conditions Use: MTB Compatibility: Cantilever Overall Length: 78.5mm Pad Contact Width: 8.5mm Technology Highlights: Patented angled tip plow, water grooves and Knurl-lock washer system Manufacture Code: KS-MTCB Single or Pair: Pair Weight: 38g (pair)Manufacturer's Part Number: KS-MTCB Black CantileverBuy Kool Stop Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Kool Stop Hayes Prime MTB Disc Brake Pads - Black - Pair}, Black
  • £10.99
  • RRP £19.99
  • Saving you £45

Kool Stop Hayes Prime MTB Disc Brake PadsThese brake pads are specifically designed for use with Hayes Prime disc brakes and they offer smooth and consistent stopping power on the most demanding of terrains. Weighing only 23g and coming as a pair, these are a great choice of upgrade for breathing new life back into your disc brakes.Features: Compatibility: Hayes Prime disc brakes Use: MTB Type: Disc brake Single or Pair: Pair Manufacturer's Part Number: KS-261 Weight: 23g (pair)Buy Kool Stop Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Tektro Disc Brake Pads (Aquila - Auriga - Comp) - Organic}
  • £10.99
  • RRP £12.00
  • Saving you £8

Tektro Disc Brake Pads (Aquila - Auriga - Comp)Compatible with a wide range of Tektro mountain bike disc brakes, these MTB disc brake pads are made from a high-performing compound that consists of ceramic and metal. This compound performs consistently in various conditions and on long descents. Features: Genuine Tektro replacements Comes in a pair (two pads for one brake) Compatibility: Aquila/Auriga/Auriga Comp brake systems Full Tektro Disc Brake Compatibility List:HD-M740 / M730 / M520 / M521 / M510 / M500 / M501HD-M290 / M291 / M285 / M286HD-T710 / T520 / T530 / T290 / T285 / T525/ MD-M500 / M300 / M280MD-C510 / C400Buy Tektro Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Tektro Tektro Lyra Disc Brake Pads - Metal - Ceramic}
  • £10.99
  • RRP £12.00
  • Saving you £8

Tektro Tektro Lyra Disc Brake PadsHigh performance metal ceramic compound pads.• Fits Lyra brake systemsBuy Tektro Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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TRP Flat Mount Disc Brake Adapter - Black - Front - 17mm, Black
  • £10.99
  • RRP £12.00
  • Saving you £8

TRP Flat Mount Disc Brake AdapterThe TRP Flat Mount Adapter is ideal for mounting a flat mount brake caliper to a flat mount frame or fork to achieve the required spacing depending on your desired rotor size. Compatible for use with 140mm or 160mm rotors, both spacing options are available.Features: Compatibility: All flat mount forks with a 70mm centre to centre bolt spacing Use: 140mm or 160mm rotors 140mm or 160mm rotors size listing is for the Front only. Rear as 160mm only Buy TRP Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Jagwire Ferrules and Tidys Kit (Braided Casing) - Red, Red
  • £10.99

Jagwire Ferrules and Tidys Kit (Braided Casing)The Jagwire Ferrules & Tidys Kit contains enough end caps to easily hop-up the housing on one bicycle. The caps and crimps are made from a durable alloy. It is suitable for braided 4.5mm casing and is perfect if you want to upgrade your cables to offer greater style or performance.Features: Contains 10 x 4.5mm sealed; 6 x 5mm open, 4 x cable tips Enough end caps for one bicycle for gear and brake Compatible with 4.5mm gear cable housing and 5mm brake housingBuy Jagwire Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Jagwire Ferrules and Tidys Kit (Braided Casing) - Blue, Blue
  • £10.99

Jagwire Ferrules and Tidys Kit (Braided Casing)The Jagwire Ferrules & Tidys Kit contains enough end caps to easily hop-up the housing on one bicycle. The caps and crimps are made from a durable alloy. It is suitable for braided 4.5mm casing and is perfect if you want to upgrade your cables to offer greater style or performance.Features: Contains 10 x 4.5mm sealed; 6 x 5mm open, 4 x cable tips Enough end caps for one bicycle for gear and brake Compatible with 4.5mm gear cable housing and 5mm brake housingBuy Jagwire Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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