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

Race Face Direct Mount Narrow-Wide Chainring - Black Steel - 28t}, Black Steel
  • £16.99
  • RRP £54.95
  • Saving you £69

Race Face Direct Mount Narrow-Wide ChainringDesigned for mountain bike (MTB) riding, this Direct Mount Narrow-Wide Chainring from Race Face benefits from a durable steel construction and a matte black anodised finish for exceptional hard-wearing quality. This direct mount chainring holds the chain tight with narrow-wide tooth profiling and comes in tons of options to compliment your build and is suitable for use with Cinch Direct Mount Cranks.Features: Use: Mountain Bike (MTB) Material: Steel Tooth Profile: Narrow/Wide Chainline: Flipable (for Boost or Non-Boost systems) Mount: Direct Mount Finish: Matte Black Anodised Speed: 11 Speed Compatibility: Cinch Direct Mount Cranks Offers indentical chainlines to existing aluminium chainrings and can be flipped Weight: 135g (28T option), 146g (30T option), 158g (32T option) Buy Race Face Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Shimano Alivio M430 9 Speed Triple Chain Ring - Black - Standard Type, Black
  • £16.99

Shimano Alivio M430 9 Speed Triple Chain RingGenuine Shimano replacement part. For use with Shimano Alivio FC-M430-8 9spd Triple Chainset.Features: BCD: 104mm Teeth: 22t, 32t, 44t Weight: 186 grams (44t) and 42 grams (22t)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.

VIEW ITEM
Shimano Alivio FCM410 Triple Chainring - Black - 4-Bolt, Black
  • £16.99

Shimano Alivio FCM410 Triple ChainringCompatible with 7 and 8 speed systems, this Alivio FCM410 chainring is designed for use on triple chainring chainsets and brings you reliable and consistent performance. Made from durable steel, it fits a wide range of Shimano city bike and mountain bike (MTB) models and brings you many miles of clean shifting and efficient power transfer.Features: Material: Steel Bolt Circle Diameter (BCD): 4x104mm Speed: 7/8-Speed Compatibility: All 7 and 8-Speed city and mountain bike (MTB) drivetrainsGenuine Shimano replacement partSold Individually Chainset Compatibility: Shimano FC-M416 Shimano FC-M415 Shimano Alivio FC-M411 Shimano Alivio FC-M410-8-NS Shimano Alivio FC-M410-8 Shimano FC-M341-8 Shimano FC-M341 Manufacturer's Part Numbers:32T: 1GM 980242T: 1GM 980348T: 1GL 9811A 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.

VIEW ITEM
Shimano Acera HG41 8 Speed MTB Cassette - Silver - 11-30t}, Silver
  • £16.99
  • RRP £21.99
  • Saving you £23

Shimano Acera HG41 8 Speed MTB CassetteThe HG41 mountain bike cassette will always deliver swift and precise shifting, no matter how hard you ride. This is because Shimano equipped this 8-speed compatible model with its Hyperglide technology. The sprockets have contouring on their shift gates, meaning clean and crisp gear changes, even when you’re pedalling hard up a climb. Plus, to ensure this performance lasts longer, the sprockets have a corrosion-resistant nickel plating.Reasons to Buy: Delivers swift and precise shifting. Clean and crisp gear changes. Long lasting performance. Corrosion-resistant nickel plating.Features: Speed: 8-speed Use: MTB, touring Compatibility: 8-speed derailleurs and Shimano type freehubs Hyperglide sprockets provide a crisp, smooth shift even under load Gearing gives a low 30T sprocket, making it easier to climb steep hills Sprockets are cut away to reduce weight without reducing rigidity Nickel-plated finish offers hard wearing resistance to corrosion Corrosion-resistant steel cassette lockring For 8-speed HG chains Weight: 330gManufacturer Reference Codes: 11-30T: CSHG418130; 11-32T: CSHG418132; 11-34T: CSHG418134A 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.

VIEW ITEM
Shimano Acera HG41 8 Speed MTB Cassette - Silver - 11-32t}, Silver
  • £16.99
  • RRP £21.99
  • Saving you £23

Shimano Acera HG41 8 Speed MTB CassetteThe HG41 mountain bike cassette will always deliver swift and precise shifting, no matter how hard you ride. This is because Shimano equipped this 8-speed compatible model with its Hyperglide technology. The sprockets have contouring on their shift gates, meaning clean and crisp gear changes, even when you’re pedalling hard up a climb. Plus, to ensure this performance lasts longer, the sprockets have a corrosion-resistant nickel plating.Reasons to Buy: Delivers swift and precise shifting. Clean and crisp gear changes. Long lasting performance. Corrosion-resistant nickel plating.Features: Speed: 8-speed Use: MTB, touring Compatibility: 8-speed derailleurs and Shimano type freehubs Hyperglide sprockets provide a crisp, smooth shift even under load Gearing gives a low 30T sprocket, making it easier to climb steep hills Sprockets are cut away to reduce weight without reducing rigidity Nickel-plated finish offers hard wearing resistance to corrosion Corrosion-resistant steel cassette lockring For 8-speed HG chains Weight: 330gManufacturer Reference Codes: 11-30T: CSHG418130; 11-32T: CSHG418132; 11-34T: CSHG418134A 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.

VIEW ITEM
Shimano Road PTFE Gear Cable Set - Yellow, Yellow
  • £16.99
  • RRP £34.99
  • Saving you £51

Shimano Road Gear Cable Set with PTFE Inner CableComplete top-of-the-range gear cable set designed to suit Shimano Dura-Ace 7900 and Ultegra 6700 Road bike brakesets. Fitting new gears or completely overhauling your gear cabling couldn't be easier - everything you need in one pack. This die-extruded PTFE coated inner wire leaves a smooth surface for low friction in use, and stainless steel provides smooth shifting and higher corrosion resistance.Features: Includes: 1.2mm inner wires (2 x 2100mm) Black 4mm outer casing for a complete bike (2 x 600mm) Outer casing is lubricated internally along its length with low-friction silicone grease to reduce friction Special construction process makes for an axially stiff outer casing that transmits shifting movement accurately and quickly Outer casing is lined with a polymer sheath to assist with the smooth operation of the inner wire 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.

VIEW ITEM
Shimano Road PTFE Gear Cable Set - Green, Green
  • £16.99
  • RRP £34.99
  • Saving you £51

Shimano Road Gear Cable Set with PTFE Inner CableComplete top-of-the-range gear cable set designed to suit Shimano Dura-Ace 7900 and Ultegra 6700 Road bike brakesets. Fitting new gears or completely overhauling your gear cabling couldn't be easier - everything you need in one pack. This die-extruded PTFE coated inner wire leaves a smooth surface for low friction in use, and stainless steel provides smooth shifting and higher corrosion resistance.Features: Includes: 1.2mm inner wires (2 x 2100mm) Black 4mm outer casing for a complete bike (2 x 600mm) Outer casing is lubricated internally along its length with low-friction silicone grease to reduce friction Special construction process makes for an axially stiff outer casing that transmits shifting movement accurately and quickly Outer casing is lined with a polymer sheath to assist with the smooth operation of the inner wire 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.

VIEW ITEM
Shimano Alivio M445 Disc Brake - Black - 1200mm IS, Black
  • £16.99
  • RRP £29.99
  • Saving you £43

Shimano Alivio M445 Disc BrakeThe Shimano Alivio M445 Disc Brake is a great value fully bled and assembled hydraulic disc brake with an easily adaptable post-style caliper. Ready to install, it will instantly improve your bike's stopping power and give you fine speed control. This fully bled and assembled brake lever and caliper comes without caliper mount adapters or rotors giving you the freedom to customise to suit your bike. It can also be used with the revolutionary Centre-Lock rotor system which fits easily to Centre-Lock compatible hubs; alternatively, conventional 6-bolt rotors can be used all in a choice of 160mm, 180mm and 203mm (rotors and caliper spacers sold separately).Features: Brake Type: Hydraulic disc brake (Mineral oil) Caliper Mount Type: Post Mount Brake Pads Included: Yes (resin type) - For use with resin pads only Brake Rotor Included: No Opposed 2-piston caliper design reduces leading effect and optimal pad wear increases braking control Ergonomic alloy brake lever for optimum comfort and performance Mineral oil brake fluid is non-corrosive and less hazardous than conventional hydraulic brake fluid Shim-less mounting system allows for quick installation and setting up Brake lever features reach adjustment for perfect custom fit Sold individuallyA 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.

VIEW ITEM
Fizik Vento Solocush Tacky Handlebar Tape - Teal, Teal
  • £16.99
  • RRP £35.99
  • Saving you £53

Fizik Vento Solocush Tacky Handlebar TapeExceptional comfort and control, the Vento Solocush Handlebar Tape by Fizik is the ideal addition for riders who need extra grip when riding. Featuring a tacky feel the 2.7mm thick cushioning helps to reduce palm and grip pain while providing a firm hold on challenging terrains.Features:Gel or Tape: TapeThickness: 2.7mmFinish: TackyBuy Fizik Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Fizik Vento Solocush Tacky Handlebar Tape - Pink, Pink
  • £16.99
  • RRP £35.99
  • Saving you £53

Fizik Vento Solocush Tacky Handlebar TapeExceptional comfort and control, the Vento Solocush Handlebar Tape by Fizik is the ideal addition for riders who need extra grip when riding. Featuring a tacky feel the 2.7mm thick cushioning helps to reduce palm and grip pain while providing a firm hold on challenging terrains.Features:Gel or Tape: TapeThickness: 2.7mmFinish: TackyBuy Fizik Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Shimano Deore M6000 Front Mountain Bike Disc Hub - Black - 36h}, Black
  • £16.99
  • RRP £24.99
  • Saving you £32

Shimano Deore M6000 Front Mountain Bike Disc HubShimano's Deore M6000 Disc Front Hub features the tried and trusted cup and cone bearing system with Borozon treated and diamond coated races for super-smooth performance. It combines this with centre lock brake rotor compatibility for use with the latest disc brake systems. Durable and reliable, the M6000 is tough enough for everything from cross country and all-mountain riding, to touring and city bike use.Features: Material: Hub: Aluminium; Axle: Steel Finish: Anodised Axle Type: 9mm quick release Axle Length: 100mm QR Skewer Length: 108mm Hub: Labyrinth and double contact seals Cone Races: Borozon treated Cup Races: Barrel polished Brake Type: Centre Lock disc P.C.D.: Left: 44mm; Right: 44mm Flange Diameter: Left: 52.8mm; Right: 52.8mm Flange Distance: 60.2mm Weight: 245g (with quick release)Technologies:Cup and Cone Bearings: These angular contact bearings offer greater strength than sealed cartridge industrial bearings. This is due to their ability to displace lateral and vertical loads more effectively for super smooth rotation and longer durability. Angular contact bearings also allow easier maintenance, adjustability and serviceability.Centre Lock System: This system makes rotor installation easy with its spline mount and a lock ring design. The lock ring mounting system reduces the total working hours by shortening the amount of time of both installation and removal. In addition, the secure fixing by the spline mount enhances precision and rigidity, while improving braking efficiency.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Knog OI Classic Bike Bell - Copper - Small}, Copper
  • £16.99

Knog OI Classic Bike BellThis classic bike bell from OI features a low profile and with its sleek look, you could forget it's even there. The bell makes a ring that helps you be safely heard no matter what the danger. It is also incredibly easily fitted onto your handlebar and what's more, it can help organise your cables thanks to its mount cable management system.Features:Small Dimensions: H: 16mm x W: 37mm x L:53mm, fits 22.2mm barsSmall Weight: 17gLarge Dimensions: H: 16mm x W: 49mm x L:68mm, fits 23.8 - 31.8mm barsLarge Weight: 26gBuy Knog Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Knog OI Classic Bike Bell - Black - Large}, Black
  • £16.99

Knog OI Classic Bike BellThis classic bike bell from OI features a low profile and with its sleek look, you could forget it's even there. The bell makes a ring that helps you be safely heard no matter what the danger. It is also incredibly easily fitted onto your handlebar and what's more, it can help organise your cables thanks to its mount cable management system.Features:Small Dimensions: H: 16mm x W: 37mm x L:53mm, fits 22.2mm barsSmall Weight: 17gLarge Dimensions: H: 16mm x W: 49mm x L:68mm, fits 23.8 - 31.8mm barsLarge Weight: 26gBuy Knog Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Knog OI Classic Bike Bell - Black - Small}, Black
  • £16.99

Knog OI Classic Bike BellThis classic bike bell from OI features a low profile and with its sleek look, you could forget it's even there. The bell makes a ring that helps you be safely heard no matter what the danger. It is also incredibly easily fitted onto your handlebar and what's more, it can help organise your cables thanks to its mount cable management system.Features:Small Dimensions: H: 16mm x W: 37mm x L:53mm, fits 22.2mm barsSmall Weight: 17gLarge Dimensions: H: 16mm x W: 49mm x L:68mm, fits 23.8 - 31.8mm barsLarge Weight: 26gBuy Knog Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Knog OI Classic Bike Bell - Brass - Large}, Brass
  • £16.99

Knog OI Classic Bike BellThis classic bike bell from OI features a low profile and with its sleek look, you could forget it's even there. The bell makes a ring that helps you be safely heard no matter what the danger. It is also incredibly easily fitted onto your handlebar and what's more, it can help organise your cables thanks to its mount cable management system.Features:Small Dimensions: H: 16mm x W: 37mm x L:53mm, fits 22.2mm barsSmall Weight: 17gLarge Dimensions: H: 16mm x W: 49mm x L:68mm, fits 23.8 - 31.8mm barsLarge Weight: 26gBuy Knog Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Knog OI Classic Bike Bell - Silver - Small}, Silver
  • £16.99

Knog OI Classic Bike BellThis classic bike bell from OI features a low profile and with its sleek look, you could forget it's even there. The bell makes a ring that helps you be safely heard no matter what the danger. It is also incredibly easily fitted onto your handlebar and what's more, it can help organise your cables thanks to its mount cable management system.Features:Small Dimensions: H: 16mm x W: 37mm x L:53mm, fits 22.2mm barsSmall Weight: 17gLarge Dimensions: H: 16mm x W: 49mm x L:68mm, fits 23.8 - 31.8mm barsLarge Weight: 26gBuy Knog Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Knog OI Classic Bike Bell - Brass - Small}, Brass
  • £16.99

Knog OI Classic Bike BellThis classic bike bell from OI features a low profile and with its sleek look, you could forget it's even there. The bell makes a ring that helps you be safely heard no matter what the danger. It is also incredibly easily fitted onto your handlebar and what's more, it can help organise your cables thanks to its mount cable management system.Features:Small Dimensions: H: 16mm x W: 37mm x L:53mm, fits 22.2mm barsSmall Weight: 17gLarge Dimensions: H: 16mm x W: 49mm x L:68mm, fits 23.8 - 31.8mm barsLarge Weight: 26gBuy Knog Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Knog OI Classic Bike Bell - Silver - Large}, Silver
  • £16.99

Knog OI Classic Bike BellThis classic bike bell from OI features a low profile and with its sleek look, you could forget it's even there. The bell makes a ring that helps you be safely heard no matter what the danger. It is also incredibly easily fitted onto your handlebar and what's more, it can help organise your cables thanks to its mount cable management system.Features:Small Dimensions: H: 16mm x W: 37mm x L:53mm, fits 22.2mm barsSmall Weight: 17gLarge Dimensions: H: 16mm x W: 49mm x L:68mm, fits 23.8 - 31.8mm barsLarge Weight: 26gBuy Knog Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Knog OI Classic Bike Bell - Copper - Large}, Copper
  • £16.99

Knog OI Classic Bike BellThis classic bike bell from OI features a low profile and with its sleek look, you could forget it's even there. The bell makes a ring that helps you be safely heard no matter what the danger. It is also incredibly easily fitted onto your handlebar and what's more, it can help organise your cables thanks to its mount cable management system.Features:Small Dimensions: H: 16mm x W: 37mm x L:53mm, fits 22.2mm barsSmall Weight: 17gLarge Dimensions: H: 16mm x W: 49mm x L:68mm, fits 23.8 - 31.8mm barsLarge Weight: 26gBuy Knog Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
Michelin Pro 3 Race Road Bike Tyre - Black - Grey - 700c}, Black - Grey
  • £16.99
  • RRP £37.99
  • Saving you £55

Michelin Pro 3 Race Road Bike TyreWith its advanced dual-compound rubber that has a rigid and durable central area and a soft and flexible sidewall for extra cornering grip, the Pro 3 Race tyre is the smart racer’s choice. Adopting Michelin’s "Energy Compound", this fast rolling and hard-wearing road bike tyre has 6mm thick high grip rubber on each side of the tyre, for reliable grip at all angles. It’s also enhanced with a tough high-density puncture protection nylon belt, so you can confidently ride over poor road surfaces.Features: Tyre Type: Clincher Compound: Soft "Energy" Compound Bead Type: Folding Casing: 127 tpi Puncture Protection: Yes, high density nylon belt Tubeless Compatible: No Recommended Pressure: 87-116 psi ETRTO: 23-622 Weight: 200gBuy Michelin Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

VIEW ITEM
expand_less