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.
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!

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Chain Reaction UK have 41186 products listed

Nukeproof Blackline Short Sleeve Jersey 2021 - Blue - L}, Blue
  • £19.99
  • RRP £45.00
  • Saving you £56

Nukeproof Blackline Short Sleeve JerseyThe Nukeproof Blackline Short Sleeve Jersey is fully updated so it's better than ever. The jersey blends two Italian made performance fabrics to ensure the jersey performs where needed - when you're ripping along mountain bike trails.The front body and sleeves of the Blackline Short Sleeve Jersey are constructed from a lightweight fabric (115gsm), highly breathable yarn that is super soft against the skin. Its mono stretch piquet fabric allows unrestricted movement and the increase wicking moisture alongside minimised drying manages your riders core temperature. It’s also abrasive resistant to ensure the Blackline Jersey stays looking fresh.The super lightweight (110 GSM) warp-knit back panel regulates body temperature by maximising the airflow out of the body and is both quick wicking and fast drying. The jersey is a trail fit, so designed to be worn loose against the body. Lastly, with its natural UV protection and an anti-bacterial finish, this is a jersey ideally suited to hitting the summer trails.Nukeproof have committed to using Bluesign® fabrics. This is a solution for sustainable textile production. It eliminates harmful substances right from the beginning of the manufacturing process and sets and controls standards for environmentally friendly and safe production.Nukeproof BlacklineFully designed and developed by The Nukeproof team in Belfast, they use the highest quality fabrics, great MTB inspired cut/fit and have all the features they wanted out of their ride apparel. The Blackline range is their premium trail collection.Features:Materials: 100% PolyesterHigh-Performance trail jersey made in EuropeMoisture-wicking and quick-dryingAnti-bacterial finish on garment for odour resistanceCrewneckSet-in sleevesDropped back hemNukeproof brandingUV protectionBluesign® Approved - Eco-Tech CertifiedBuy Nukeproof Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope Quick Release Rear Steel MTB Skewer - Orange - 130mm}, Orange
  • £19.99

Hope QR Steel Skewers Rear High quality skewers with Stainless Steel rods. CNC machined aluminium lever giving a smooth, positive feel. Features: Colour - Black, Blue, Gold, Gunsmoke, Red or Silver Quick release Rear only Buy Hope Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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North Shore Billet Kona Derailleur Hanger (12x142mm)
  • £19.99
  • RRP £21.99
  • Saving you £9

North Shore Billet Kona Derailleur Hanger (12x142mm)CNC machined derailleur hanger from North Shore Billet to replace Kona hanger model LL. Suitable for: 2014 Hei Hei Supreme, Hei Hei Deluxe, Hei Hei Hei, Hei Hei, King Kuhuna, Big Kahuna 2013 Process DL, Process, Cadabra, Abra Cadabra, Hei Hei Supreme, Hei Hei Deluxe, Hei Hei, King Kuhuna, Big Kahuna Features: CNC machined from 6061 T6 Aluminum Anodized pewter finish Model:  NSB DH0109 Kona Model: LL Buy North Shore Billet Frame Spares from Chain Reaction Cycles, the World's Largest Online Bike Store.

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KMC X9 9 Speed Chain - Silver - 114 Links}, Silver
  • £19.99
  • RRP £26.99
  • Saving you £26

KMC X9 9 Speed ChainThis high-quality and reliable X9 9 speed chain from KMC features a variety of performance-enhancing technologies and strengthening features, making it perfect for both road and Mountain Bike (MTB) riding disciplines.Extremely Durable 9 Speed ChainBoasting an extremely durable construction which weighs in at only 288g, this is the perfect choice of a replacement or upgrade for keeping your drivetrain running in peak condition.Features: Compatibility: Shimano, Campagnolo and SRAM 9-speed derailleur systems Pin Length: 6.6mm Use: Road and MTB1/2" x 11/128" 114 Links High Performance Extremely durable Anti-Rust Non-Directional Weight: 288gTechnologies: Non-Directional Design: Assembly of this chain is independent of direction. It allows maximum compatibility on MTB or race bikes: this chain fits all. Enhanced Durability: With unique SP (stretch-proof) treatment, the durability has been effectively enhanced by reducing the attrition between inner plates and pin. As a result, chain life has been significantly prolonged.Buy KMC Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Blackline Short Sleeve Jersey 2021 - M}, Black
  • £19.99
  • RRP £45.00
  • Saving you £56

Nukeproof Blackline Short Sleeve JerseyThe Nukeproof Blackline Short Sleeve Jersey is fully updated so it's better than ever. The jersey blends two Italian made performance fabrics to ensure the jersey performs where needed - when you're ripping along mountain bike trails.The front body and sleeves of the Blackline Short Sleeve Jersey are constructed from a lightweight fabric (115gsm), highly breathable yarn that is super soft against the skin. Its mono stretch piquet fabric allows unrestricted movement and the increase wicking moisture alongside minimised drying manages your riders core temperature. It’s also abrasive resistant to ensure the Blackline Jersey stays looking fresh.The super lightweight (110 GSM) warp-knit back panel regulates body temperature by maximising the airflow out of the body and is both quick wicking and fast drying. The jersey is a trail fit, so designed to be worn loose against the body. Lastly, with its natural UV protection and an anti-bacterial finish, this is a jersey ideally suited to hitting the summer trails.Nukeproof have committed to using Bluesign® fabrics. This is a solution for sustainable textile production. It eliminates harmful substances right from the beginning of the manufacturing process and sets and controls standards for environmentally friendly and safe production.Nukeproof BlacklineFully designed and developed by The Nukeproof team in Belfast, they use the highest quality fabrics, great MTB inspired cut/fit and have all the features they wanted out of their ride apparel. The Blackline range is their premium trail collection.Features:Materials: 100% PolyesterHigh-Performance trail jersey made in EuropeMoisture-wicking and quick-dryingAnti-bacterial finish on garment for odour resistanceCrewneckSet-in sleevesDropped back hemNukeproof brandingUV protectionBluesign® Approved - Eco-Tech CertifiedBuy Nukeproof Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope Quick Release Rear Steel MTB Skewer - Blue - 135mm}, Blue
  • £19.99

Hope QR Steel Skewers Rear High quality skewers with Stainless Steel rods. CNC machined aluminium lever giving a smooth, positive feel. Features: Colour - Black, Blue, Gold, Gunsmoke, Red or Silver Quick release Rear only Buy Hope Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Stans No Tubes Universal Tubeless Valves (Pair) - Black - 44mm}, Black
  • £19.99
  • RRP £22.00
  • Saving you £9

Stans No Tubes Universal Tubeless Valves (Pair)Weighing half as much as Stan’s brass version, these alloy tubeless valves are the ideal choice to pair up with your tubeless ready Stan’s BST or BST-R mountain bike rims. Also compatible with many other rims on the market, their removable core simplifies the process of setting up your tubeless wheels.Reasons to Buy: Lightweight. Easy setup.Features: Pack of two Removable core for easy inflation Includes cap and nut Weight: (each) 35mm: 8g; 44mm: 9g; 55mm: 10gFits Most Tubeless Wheels/Rims, including: Stan's NOTUBES ZTR rims &wheels Sun-Ringle wheels featuring NOTUBES BST WTB TCS rims & wheels UST wheels including crankbrothers, Fulcrum, Mavic, Shimano Bontrager Tubeless Ready rims & wheels with Bontrager's Tubeless Ready rim stripInstallation:Remove included valve cap and nut, insert valve through rim, thread nut on to valve and tighten by hand.Buy Stans No Tubes Joe's Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Bike Shield Large Tube Shield Protection Pack - Clear - 1 Piece, Clear
  • £19.99

Bike Shield Large Tube Shield Protection PackThe Large Tube Shield Protection Pack Bike Shield provides protection for your bike frame against stones, scrapes and scratches whether you're riding or transporting your bike.BikeShield keeps your bike in mint condition by protecting it from scratches, grit and stones. It offers clear advantages over other products which aim to provide invisible protection for bike frames. On the bike it is invisible. Peel it off and the frame is like-new.Features: Includes: 1pc cut to 500x145mm Ultra-tough protection Self-healing when cut Easy to apply or remove by hand Leaves no sticky residue Invisible on the bike Will not yellow with age Long-lastingBuy Bike Shield Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Blackline Short Sleeve Jersey 2021 - Blue - XL}, Blue
  • £19.99
  • RRP £45.00
  • Saving you £56

Nukeproof Blackline Short Sleeve JerseyThe Nukeproof Blackline Short Sleeve Jersey is fully updated so it's better than ever. The jersey blends two Italian made performance fabrics to ensure the jersey performs where needed - when you're ripping along mountain bike trails.The front body and sleeves of the Blackline Short Sleeve Jersey are constructed from a lightweight fabric (115gsm), highly breathable yarn that is super soft against the skin. Its mono stretch piquet fabric allows unrestricted movement and the increase wicking moisture alongside minimised drying manages your riders core temperature. It’s also abrasive resistant to ensure the Blackline Jersey stays looking fresh.The super lightweight (110 GSM) warp-knit back panel regulates body temperature by maximising the airflow out of the body and is both quick wicking and fast drying. The jersey is a trail fit, so designed to be worn loose against the body. Lastly, with its natural UV protection and an anti-bacterial finish, this is a jersey ideally suited to hitting the summer trails.Nukeproof have committed to using Bluesign® fabrics. This is a solution for sustainable textile production. It eliminates harmful substances right from the beginning of the manufacturing process and sets and controls standards for environmentally friendly and safe production.Nukeproof BlacklineFully designed and developed by The Nukeproof team in Belfast, they use the highest quality fabrics, great MTB inspired cut/fit and have all the features they wanted out of their ride apparel. The Blackline range is their premium trail collection.Features:Materials: 100% PolyesterHigh-Performance trail jersey made in EuropeMoisture-wicking and quick-dryingAnti-bacterial finish on garment for odour resistanceCrewneckSet-in sleevesDropped back hemNukeproof brandingUV protectionBluesign® Approved - Eco-Tech CertifiedBuy Nukeproof Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope Quick Release Rear Steel MTB Skewer - Purple - 130mm}, Purple
  • £19.99

Hope QR Steel Skewers Rear High quality skewers with Stainless Steel rods. CNC machined aluminium lever giving a smooth, positive feel. Features: Colour - Black, Blue, Gold, Gunsmoke, Red or Silver Quick release Rear only Buy Hope Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Blackline Short Sleeve Jersey 2021 - Blue - M}, Blue
  • £19.99
  • RRP £45.00
  • Saving you £56

Nukeproof Blackline Short Sleeve JerseyThe Nukeproof Blackline Short Sleeve Jersey is fully updated so it's better than ever. The jersey blends two Italian made performance fabrics to ensure the jersey performs where needed - when you're ripping along mountain bike trails.The front body and sleeves of the Blackline Short Sleeve Jersey are constructed from a lightweight fabric (115gsm), highly breathable yarn that is super soft against the skin. Its mono stretch piquet fabric allows unrestricted movement and the increase wicking moisture alongside minimised drying manages your riders core temperature. It’s also abrasive resistant to ensure the Blackline Jersey stays looking fresh.The super lightweight (110 GSM) warp-knit back panel regulates body temperature by maximising the airflow out of the body and is both quick wicking and fast drying. The jersey is a trail fit, so designed to be worn loose against the body. Lastly, with its natural UV protection and an anti-bacterial finish, this is a jersey ideally suited to hitting the summer trails.Nukeproof have committed to using Bluesign® fabrics. This is a solution for sustainable textile production. It eliminates harmful substances right from the beginning of the manufacturing process and sets and controls standards for environmentally friendly and safe production.Nukeproof BlacklineFully designed and developed by The Nukeproof team in Belfast, they use the highest quality fabrics, great MTB inspired cut/fit and have all the features they wanted out of their ride apparel. The Blackline range is their premium trail collection.Features:Materials: 100% PolyesterHigh-Performance trail jersey made in EuropeMoisture-wicking and quick-dryingAnti-bacterial finish on garment for odour resistanceCrewneckSet-in sleevesDropped back hemNukeproof brandingUV protectionBluesign® Approved - Eco-Tech CertifiedBuy Nukeproof Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope Quick Release Rear Steel MTB Skewer - Silver - 135mm}, Silver
  • £19.99

Hope QR Steel Skewers Rear High quality skewers with Stainless Steel rods. CNC machined aluminium lever giving a smooth, positive feel. Features: Colour - Black, Blue, Gold, Gunsmoke, Red or Silver Quick release Rear only Buy Hope Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Blackline Short Sleeve Jersey 2021 - Blue - XXL}, Blue
  • £19.99
  • RRP £45.00
  • Saving you £56

Nukeproof Blackline Short Sleeve JerseyThe Nukeproof Blackline Short Sleeve Jersey is fully updated so it's better than ever. The jersey blends two Italian made performance fabrics to ensure the jersey performs where needed - when you're ripping along mountain bike trails.The front body and sleeves of the Blackline Short Sleeve Jersey are constructed from a lightweight fabric (115gsm), highly breathable yarn that is super soft against the skin. Its mono stretch piquet fabric allows unrestricted movement and the increase wicking moisture alongside minimised drying manages your riders core temperature. It’s also abrasive resistant to ensure the Blackline Jersey stays looking fresh.The super lightweight (110 GSM) warp-knit back panel regulates body temperature by maximising the airflow out of the body and is both quick wicking and fast drying. The jersey is a trail fit, so designed to be worn loose against the body. Lastly, with its natural UV protection and an anti-bacterial finish, this is a jersey ideally suited to hitting the summer trails.Nukeproof have committed to using Bluesign® fabrics. This is a solution for sustainable textile production. It eliminates harmful substances right from the beginning of the manufacturing process and sets and controls standards for environmentally friendly and safe production.Nukeproof BlacklineFully designed and developed by The Nukeproof team in Belfast, they use the highest quality fabrics, great MTB inspired cut/fit and have all the features they wanted out of their ride apparel. The Blackline range is their premium trail collection.Features:Materials: 100% PolyesterHigh-Performance trail jersey made in EuropeMoisture-wicking and quick-dryingAnti-bacterial finish on garment for odour resistanceCrewneckSet-in sleevesDropped back hemNukeproof brandingUV protectionBluesign® Approved - Eco-Tech CertifiedBuy Nukeproof Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope Quick Release Rear Steel MTB Skewer - Orange - 135mm}, Orange
  • £19.99

Hope QR Steel Skewers Rear High quality skewers with Stainless Steel rods. CNC machined aluminium lever giving a smooth, positive feel. Features: Colour - Black, Blue, Gold, Gunsmoke, Red or Silver Quick release Rear only Buy Hope Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Hope Quick Release Rear Steel MTB Skewer - Black - 130mm}, Black
  • £19.99

Hope QR Steel Skewers Rear High quality skewers with Stainless Steel rods. CNC machined aluminium lever giving a smooth, positive feel. Features: Colour - Black, Blue, Gold, Gunsmoke, Red or Silver Quick release Rear only Buy Hope Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Horizon Bolted Accessory Frame Strap - Silver, Silver
  • £19.99

Nukeproof Horizon Bolted Accessory Frame StrapThe Horizon Bolted Accessory Strap from Nukeproof offers a unique, versatile and convenient on-bike cargo mounting storage solution. It's compatible with bike frames that feature accessory mounting holes and the Nukeproof 2021+ Mega and Giga have mounting holes under the top tube for secure, stylish and low-profile mounting.Bolted Accessory Strap for Secure and Stylish On Bike StorageGot a bike with mounting holes for an accessory plate or got a bottle cage mounting point not being used? This Nukeproof accessory set will be the perfect fit on your bike. The kit comes with an alloy back plate and 3 different lengths of strap allowing you to carry some spares on your ride. The longest strap allows an inner tube, 25g co2 cannister, small pump like LifeLine Hybrid CO2 Mini Pump - Mountain Bike (MTB) & Nukeproof tubeless repair kit For fitting instructions, please click HERE.Strap lengths: 50mm x 314mm 38mm x 265mm 38mm x 130mmOur shortest strap can also be used along with our Nukeproof Horizon carbon water bottle cage allowing you to carry a co2 cannister or small diameter pump. The 2021 Nukeproof Mega & Giga bikes all have mounting holes under the top tube making this kit fully compatible. Features: Back Plate Colours: Black, Red, Blue, Purple, Grey, Copper Strap Colour: Black Adjustment: The mounting plate allows for 20mm of adjustmentBuy Nukeproof Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Magura MT Series MTB Disc Brake Pads - Type 7.R - Race}
  • £19.99
  • RRP £21.34
  • Saving you £6

Magura MT Series MTB Disc Brake PadsReplacement pads for Magura MT series disc brakes.Features:  Compatibility: MT5/MT7 or MT2/MT4 options available to select Genuine Magura disc brake pads Buy Magura Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SPIBelt Basic Race Belt - Anthracite - One Size}, Anthracite
  • £19.99

SPIBelt Basic Race BeltThe Small Personal Item Belt - SPIbelt™ - is sleek, expandable, secure, and does not bounce. It can hold an iPhone™, Droid™, keys, cash, credit cards, identification and many other small personal items.SPIbelt™ won't ride or shift while running or participating in other vigorous activities.Features:Fits waist size 25" through 50".Pocket length is 6.5" and expands to 3"D x 4.5"H.Proudly made in Austin, Texas. Buy SPIBelt Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Tektro RL720 Cyclocross Brake Levers - Black - Pair - 24mm}, Black
  • £19.99
  • RRP £23.00
  • Saving you £13

Tektro RL720 CX Brake LeversTop mount ergonomic lever design for the use with caliper or cantilever brakes Features: Forged aluminium lever and bracket Hinged bracket Clamp size - 24mm, 26mm or 31.8mm Reach adjustment and return spring Finish - Black or Silver Weight - 90g/pair Buy Tektro Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SPIBelt Basic Race Belt - Hot Pink - One Size}, Hot Pink
  • £19.99

SPIBelt Basic Race BeltThe Small Personal Item Belt - SPIbelt™ - is sleek, expandable, secure, and does not bounce. It can hold an iPhone™, Droid™, keys, cash, credit cards, identification and many other small personal items.SPIbelt™ won't ride or shift while running or participating in other vigorous activities.Features:Fits waist size 25" through 50".Pocket length is 6.5" and expands to 3"D x 4.5"H.Proudly made in Austin, Texas. Buy SPIBelt Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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