Chain Reaction UK

Chain Reaction UK Rating
starstarstarstarstar
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.
Brands listed for Chain Reaction UK
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!

Link to Chain Reaction UK

Visit Chain Reaction UK website

Chain Reaction UK have 41186 products listed

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.

VIEW ITEM
Jagwire Ferrules and Tidys Kit (Braided Casing) - Silver, Silver
  • £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.

VIEW ITEM
Jagwire Pro Slick Polished Inner Gear Cable - 2300mm Sram/Shimano}
  • £10.99
  • RRP £11.99
  • Saving you £8

Jagwire Pro Slick Polished Inner Gear CableIf you want to get the best possible shifting operation from your road or mountain bike (MTB) gear shifters, the Pro Slick Polished inner cable is a smart choice. Jaguire has made it from pre-stretched stainless-steel and polished it so it runs smoothly inside your outer cable. This means fast, effortless shifts on every ride. It’s also ideal for use with Jaguire’s internally lubricated outer cables for optimum performance that lasts.Features: Material: Polished, Die-extruded Stainless-Steel Cable Type: STS-PS Compatibility: Road and mountain bike (MTB) gears Thickness: 1.1mm Single or Pair: Single (enough length for front or rear brake use) Coated: No Outer Cable Included: No Cable End Caps Included: No Low friction for excellent shifting performance Compatible with all performance housing, lubricant, and end cap combinations Cables are tinted gold for easy identificationTechnologies: STS-PS Inner Cables: These slick, spiral-bound and pre-stretched stainless-steel cables undergo a polishing process to further remove imperfections. This creates a smoother surface with lower friction than PTFE-coated cables. With no coating, these are highly durable and compatible with all performance housings and lubricants. Typically used on high-end bikes, by riders wanting improved performanceBuy Jagwire Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
KMC Z1 Single Speed Chain - Silver - Wide - 112 Links}, Silver
  • £10.99

KMC Z1 Single Speed ChainDesigned for single speed, internal gear, BMX and track use, the Single Speed Chain from KMC offers you enhanced pedalling performance, no matter how tough the terrain. Featuring a bushless construction and made up of 112 links, this single speed chain is the ideal upgrade for a smooth and reliable ride. Features:Use: Mountain Bike, RoadSize: Narrow: 1/2x3/32"; Wide: 1/2x1/8"Pin Length: Narrow: 7.3mm; Wide: 8.6mmLinks: 112Compatibility: Single speed, internal gear, BMX, Track and Fixed gearBushless ConstructionNo dropBuy KMC Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
KMC Z1 Wide Single Speed BMX Chain - Gold, Gold
  • £10.99

KMC Z1 Wide Single Speed BMX ChainReady for adventures at the skatepark or on your single speed ride, this BMX Single Speed Chain from KMC has been made for use with single speed/internal gearing bikes. KMC has fitted out this model with an EPT coating for rust prevention, so you can enjoy a smooth and even performance whatever the weather conditions. The ideal upgrade for dependable acceleration on your BMX.Features:Use: Single speed, internal gear, BMX, Track, and Fixed gearFinish: EPT, Maximum anti-rust protectionSize: 1/2x1/8"Snap-On Included: YesPin Length: 8.6mmLength: 128 LinksWeight: 369gBuy KMC Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Rotor 2Inpower Crank Arm Bumper Set - Blue, Blue
  • £10.99
  • RRP £18.49
  • Saving you £41

Rotor 2Inpower Crank Arm Bumper SetThese superb bumpers are specifically designed for use with your Rotor 2INPower MTB cranks. Additionally, they provide excellent protection from scratches and chips caused by rocks, roots and trail obstacles. Finally, these come in a variety of selectable colour options, so you can compliment and customise your cranks with eye-catching bumpers.Features: Material: Rubber Compatibility: Rotor 2INPower MTB cranks Weight: 16.9gBuy Rotor Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Wippermann Bosch Electric Bike Sprocket - Black - 14t}, Black
  • £10.99
  • RRP £14.99
  • Saving you £27

Wippermann Bosch Electric Bike SprocketSpecifically suited for use with Bosch E-Bike drive units, this Connex cog has been manufactured via a hardening process to give durable and dependable performance on your electro-assisted excursions. Working hard to keep your bike rolling over varied terrains and trails, this is the ideal sprocket to get you where you need to go. Features: Material: Stainless Steel Compatibility: Bosch E-Bike drive units including Active and Performance Line and Performance Line CX Buy Wippermann Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Wippermann Bosch Electric Bike Sprocket - Black - 17t}, Black
  • £10.99
  • RRP £14.99
  • Saving you £27

Wippermann Bosch Electric Bike SprocketSpecifically suited for use with Bosch E-Bike drive units, this Connex cog has been manufactured via a hardening process to give durable and dependable performance on your electro-assisted excursions. Working hard to keep your bike rolling over varied terrains and trails, this is the ideal sprocket to get you where you need to go. Features: Material: Stainless Steel Compatibility: Bosch E-Bike drive units including Active and Performance Line and Performance Line CX Buy Wippermann Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Wippermann Bosch Electric Bike Sprocket - Black - 15t}, Black
  • £10.99
  • RRP £14.99
  • Saving you £27

Wippermann Bosch Electric Bike SprocketSpecifically suited for use with Bosch E-Bike drive units, this Connex cog has been manufactured via a hardening process to give durable and dependable performance on your electro-assisted excursions. Working hard to keep your bike rolling over varied terrains and trails, this is the ideal sprocket to get you where you need to go. Features: Material: Stainless Steel Compatibility: Bosch E-Bike drive units including Active and Performance Line and Performance Line CX Buy Wippermann Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Wippermann Bosch Electric Bike Sprocket - Black - 22t}, Black
  • £10.99
  • RRP £14.99
  • Saving you £27

Wippermann Bosch Electric Bike SprocketSpecifically suited for use with Bosch E-Bike drive units, this Connex cog has been manufactured via a hardening process to give durable and dependable performance on your electro-assisted excursions. Working hard to keep your bike rolling over varied terrains and trails, this is the ideal sprocket to get you where you need to go. Features: Material: Stainless Steel Compatibility: Bosch E-Bike drive units including Active and Performance Line and Performance Line CX Buy Wippermann Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Wippermann Bosch Electric Bike Sprocket - Black - 20t}, Black
  • £10.99
  • RRP £14.99
  • Saving you £27

Wippermann Bosch Electric Bike SprocketSpecifically suited for use with Bosch E-Bike drive units, this Connex cog has been manufactured via a hardening process to give durable and dependable performance on your electro-assisted excursions. Working hard to keep your bike rolling over varied terrains and trails, this is the ideal sprocket to get you where you need to go. Features: Material: Stainless Steel Compatibility: Bosch E-Bike drive units including Active and Performance Line and Performance Line CX Buy Wippermann Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
microSHIFT H072 7 Speed Cassette - Silver - 12-28t}, Silver
  • £10.99
  • RRP £15.99
  • Saving you £31

microSHIFT H072 7 Speed CassetteThe microSHIFT H072 Cassette is ideal for off-road mountain bike (MTB) trail riding. It features a nickel-plated steel construction and is compatible with standard freehub cassette bodies. This MTB cassette is ideal for cross-country, all-mountain explorations and enduro trail riding.Key Features: Cassettes for 7 Speed Gear combination: 12-28T: 12-13-15-18-21-24-28Features: Model No.: CS-H072 12-28T Speed: 7-Speed Gear Range: 12-28T Surface Finish: Nickel Plated Spider: No Cassette Body: Standard Freehub Combination: 12-13-15-18-21-24-28 Cog Material: SteelBuy microSHIFT Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
microSHIFT R10 H100 10 Speed Road Cassette - Silver - 11-28t}, Silver
  • £10.99
  • RRP £21.99
  • Saving you £50

microSHIFT R10 H100 10 Speed Road CassetteThe microSHIFT R10 H100 is a high-quality and ultra-durable steel 10-Speed cassette. Ideal for use with road bikes, this cassette ensures you get fast and smooth gear shifting performance while its chrome plated finish resists corrosion and rust for a long lifespan.Key Features: Cassettes for Road 10-Speed Chrome Plated Sprockets Gear combination: 11-25T: 11-12-13-14-15-17-19-21-23-25 11-28T: 11-12-13-14-15-17-19-21-24-28 11-32T: 11-12-13-15-17-19-21-24-28-32 11-34T: 11-12-13-15-17-19-21-24-28-34 11-36T: 11-13-15-17-19-21-24-28-32-36Features: Series: R10 Model No.: CS-H100 Speed: 10-Speed Surface Finish: Chrome Plated Spider: No Cassette Body: Standard Freehub Cog Material: Steel Weight: 274g (11-25T)Buy microSHIFT Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Ritchey WCS Alloy 1 Seatpost Bolt Clamp - Black - 8 x 8.5 Rails}, Black
  • £10.99
  • RRP £12.99
  • Saving you £15

Ritchey WCS Alloy 1 Seatpost Bolt ClampThe ideal replacement for your Ritchey Seatpost clamp, this Bolt Clamp is suitable for use with Ritchey's "WCS One-bolt" and "Stubby" seatposts. Made from lightweight and durable 7050 alloy and stainless steel, this bolt clamp can be used with brands that have oversized rails.Features:Genuine Ritchey sparesEnables installation of brands that use oversized rails (e.g. Selle Italia 8x8.5mm, Fizik Carbon 7x9.6mm)Material: 7050 alloy, stainless-steel boltDimensions: 7x7mm, 8x8.5mm or 7x9.6mmCompatibility: Suits Ritchey WCS One-bolt" and "Stubby" SeatpostBuy Ritchey Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
E Thirteen Vario Dropper Post Actuator Assembly Kit - Black, Black
  • £10.99
  • RRP £12.00
  • Saving you £8

E Thirteen Vario Dropper Post Actuator Assembly KitIdeal for refreshing your e.thirteen Vario dropper seatpost, this actuator cap includes an actuator assembly. Genuine e.thirteen spare parts.Features: Use: MTB Compatibility: Works with e.thirteen Vario dropper posts Included: Actuator Assembly Genuine e.thirteen spare partsManufacturer's Part Number: E13SP2009 BlackBuy E Thirteen Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Deda Elementi Di2 Clip for Superzero Road Stem - Black - For Superzero Stems}, Black
  • £10.99
  • RRP £11.99
  • Saving you £8

Deda Elementi Di2 Clip for Superzero Road StemDeda Elementi's Di2 clip is specifically designed for the Deda Elementi Superzero stem and neatly holds your Shimano Di2 3-port e-tube junction box to the underside of it. This clip will tidy up your Di2 cables for a clean and efficient look and no tools or straps are required for fitting, as this clip uses a simple plug in fit.Features: Material: Thermoplastic Compatibility: Specific for Superzero model Suitable for use with Di2 EW90 Junction-A Box - 3 PortBuy Deda Elementi Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Most Pinarello Ultra 3k Stem - White - 1.1/8", White
  • £10.99
  • RRP £33.54
  • Saving you £67

Most Pinarello Ultra 3k StemThis high-quality road bike stem features a forged aluminium construction that's wrapped in 3K carbon fibre for exceptional strength and durability without any unnecessary weight. Thanks to its tough aluminium build it delivers a strong connection between your handlebar and your road bike's steerer tube. Its special carbon properties also add stiffness, while keeping its overall weight reduced. Coming complete with sleek graphics to complement your ride, this stem is a great choice of upgrade for reliable performance and aerodynamics on your road bike.Features: Material: Forged Aluminium 3K Carbon Use: Road Handlebar Clamp Diameter: 31.8mm Steerer Diameter: 1 1/8" Compatible with the aero spacers on Pinarello road bike frames (spacers not included)Buy Most Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Brand-X Sealed Integrated Tapered Headset - Black - 1.1/8" - 1.5" Tapered, Black
  • £10.99
  • RRP £13.00
  • Saving you £15

Brand-X Sealed Integrated Tapered HeadsetDesigned with sealed angular contact bearings, this tapered headset offers high-quality performance and reliable construction at a price that won't break the bank. It also installs with ease, simply fit it into the frame, for a hassle-free addition to your bike. Features:Angular Contact Sealed BearingsHeight: 9.7 ± 0.5mmMaterial: CNC Machined  AlloySHIS Norm: IS42/28.6 | IS52.2/39.8Includes: Top cap and Star NutBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Deda Elementi Alloy Headset Spacers (10 Pack) - Black - 5mm 1"1/8, Black
  • £10.99
  • RRP £15.99
  • Saving you £31

Deda Elementi Alloy Headset Spacers (10 Pack)Finish off your bike's cockpit in style and achieve the perfect stem/bar height with these Deda Elementi matt black anodised headset spacers.Features:  Material: 6061 series alloy  Finish: Black matt anodized  Heights: 3,5,10mm  For 1 1/8" headset (fork steerer outside 28.6mm)  Dimensions: Outside 34.0mm; inside 28.9mmBuy Deda Elementi Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
FSA Compressor Expander Plug - Black - Suits Carbon Steerers}, Black
  • £10.99

FSA Compressor Expander PlugThe ideal choice when installing your new carbon fibre forks into your road bike, this Compressor Expander Plug accurately and securely holds your forks in place. Designed for use in 1.1/8" carbon fibre steerer tubes, this FSA compression device comes with a carbon fibre top cap to give your bike a premium look.Features:Material: Body: Aluminium; Top Cap: Carbon FibreSuits Fork Steerer Tube Size: 1.1/8"Use: RoadSuitable for use in carbon fibre steerer tubes onlyWeight: 35gBuy FSA Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
expand_less