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!

Link to Chain Reaction UK

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Chain Reaction UK have 41186 products listed

Brand-X Ascend Dropper Seatpost Maintenance Kit - Black - 120, 150, 150 XL, 170 XL, Black
  • £9.99

Brand-X Ascend Dropper Seatpost Maintenance KitAvailable in both internally and externally routed options, this seat post maintenance kit is ideal for helping you repair and maintain your Brand-X Ascend dropper seat post.Internally routed options include OE replacement seals, bushing and brass keys.Externally routed options include OE replacement seals, bushing, brass keys and nylon cable & barrel.Each maintenance kit is unique to each travel option and is not cross-compatible. Please ensure that you marry up the correct kit to the routing and the travel of your Brand-X Ascend post.Please double check your own dropper post prior to purchasing the kit. The internal route Ascend posts updated in 2020 and the maintenance kit sold here is specifically for those posts. Older model maintenance kits will be added to the site in due course.Service Guide Information:Click here to view the Brand-X Ascend II 105, 125 External Route Dropper Post Service Guide.Click here to view the Brand-X Ascend II 150, 170 External Route Dropper Post Service Guide.Click here to view the Brand-X Internal Dropper Post 100, 125 Service Guide.Click here to view the Brand-X Internal Dropper Post 150, 170, 200 Service Guide.Features: Compatibility: Brand-X Ascend dropper seat post Genuine Brand-X spare partsBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Ascend Dropper Seatpost Maintenance Kit - Black - 125mm, Black
  • £9.99

Brand-X Ascend Dropper Seatpost Maintenance KitAvailable in both internally and externally routed options, this seat post maintenance kit is ideal for helping you repair and maintain your Brand-X Ascend dropper seat post.Internally routed options include OE replacement seals, bushing and brass keys.Externally routed options include OE replacement seals, bushing, brass keys and nylon cable & barrel.Each maintenance kit is unique to each travel option and is not cross-compatible. Please ensure that you marry up the correct kit to the routing and the travel of your Brand-X Ascend post.Please double check your own dropper post prior to purchasing the kit. The internal route Ascend posts updated in 2020 and the maintenance kit sold here is specifically for those posts. Older model maintenance kits will be added to the site in due course.Service Guide Information:Click here to view the Brand-X Ascend II 105, 125 External Route Dropper Post Service Guide.Click here to view the Brand-X Ascend II 150, 170 External Route Dropper Post Service Guide.Click here to view the Brand-X Internal Dropper Post 100, 125 Service Guide.Click here to view the Brand-X Internal Dropper Post 150, 170, 200 Service Guide.Features: Compatibility: Brand-X Ascend dropper seat post Genuine Brand-X spare partsBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Ascend Dropper Seatpost Maintenance Kit - Black - 85, 105mm, Black
  • £9.99

Brand-X Ascend Dropper Seatpost Maintenance KitAvailable in both internally and externally routed options, this seat post maintenance kit is ideal for helping you repair and maintain your Brand-X Ascend dropper seat post.Internally routed options include OE replacement seals, bushing and brass keys.Externally routed options include OE replacement seals, bushing, brass keys and nylon cable & barrel.Each maintenance kit is unique to each travel option and is not cross-compatible. Please ensure that you marry up the correct kit to the routing and the travel of your Brand-X Ascend post.Please double check your own dropper post prior to purchasing the kit. The internal route Ascend posts updated in 2020 and the maintenance kit sold here is specifically for those posts. Older model maintenance kits will be added to the site in due course.Service Guide Information:Click here to view the Brand-X Ascend II 105, 125 External Route Dropper Post Service Guide.Click here to view the Brand-X Ascend II 150, 170 External Route Dropper Post Service Guide.Click here to view the Brand-X Internal Dropper Post 100, 125 Service Guide.Click here to view the Brand-X Internal Dropper Post 150, 170, 200 Service Guide.Features: Compatibility: Brand-X Ascend dropper seat post Genuine Brand-X spare partsBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Ascend Dropper Seatpost Maintenance Kit - Black - 105mm 27.2 Ext Route, Black
  • £9.99

Brand-X Ascend Dropper Seatpost Maintenance KitAvailable in both internally and externally routed options, this seat post maintenance kit is ideal for helping you repair and maintain your Brand-X Ascend dropper seat post.Internally routed options include OE replacement seals, bushing and brass keys.Externally routed options include OE replacement seals, bushing, brass keys and nylon cable & barrel.Each maintenance kit is unique to each travel option and is not cross-compatible. Please ensure that you marry up the correct kit to the routing and the travel of your Brand-X Ascend post.Please double check your own dropper post prior to purchasing the kit. The internal route Ascend posts updated in 2020 and the maintenance kit sold here is specifically for those posts. Older model maintenance kits will be added to the site in due course.Service Guide Information:Click here to view the Brand-X Ascend II 105, 125 External Route Dropper Post Service Guide.Click here to view the Brand-X Ascend II 150, 170 External Route Dropper Post Service Guide.Click here to view the Brand-X Internal Dropper Post 100, 125 Service Guide.Click here to view the Brand-X Internal Dropper Post 150, 170, 200 Service Guide.Features: Compatibility: Brand-X Ascend dropper seat post Genuine Brand-X spare partsBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Ascend Dropper Seatpost Maintenance Kit - Black - 150, 170mm, Black
  • £9.99

Brand-X Ascend Dropper Seatpost Maintenance KitAvailable in both internally and externally routed options, this seat post maintenance kit is ideal for helping you repair and maintain your Brand-X Ascend dropper seat post.Internally routed options include OE replacement seals, bushing and brass keys.Externally routed options include OE replacement seals, bushing, brass keys and nylon cable & barrel.Each maintenance kit is unique to each travel option and is not cross-compatible. Please ensure that you marry up the correct kit to the routing and the travel of your Brand-X Ascend post.Please double check your own dropper post prior to purchasing the kit. The internal route Ascend posts updated in 2020 and the maintenance kit sold here is specifically for those posts. Older model maintenance kits will be added to the site in due course.Service Guide Information:Click here to view the Brand-X Ascend II 105, 125 External Route Dropper Post Service Guide.Click here to view the Brand-X Ascend II 150, 170 External Route Dropper Post Service Guide.Click here to view the Brand-X Internal Dropper Post 100, 125 Service Guide.Click here to view the Brand-X Internal Dropper Post 150, 170, 200 Service Guide.Features: Compatibility: Brand-X Ascend dropper seat post Genuine Brand-X spare partsBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Crows Foot Spanner Set - Silver, Silver
  • £9.99

LifeLine Crows Foot Spanner SetThe Crows Foot Spanner Set from LifeLine is a set of 3x durable and comfortable to use crows foot spanners. This spanner set is perfect for use with a torque wrench on those nuts that you cannot use a standard socket on like brake hose nuts. Sizes supplied in this set are 7mm, 8mm and 10mm. Compatible with any 1/4” drive wrench.Features: Sizes: 7mm, 8mm, 10mm Compatibility: For 1/4” drive wrenchBuy LifeLine Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Pirelli Cycl-E Downtown E-Bike City Tyre - Black - 700c}, Black
  • £9.99
  • RRP £39.99
  • Saving you £75

Pirelli Cycl-E Downtown E-Bike City TyreReady your wheel for a true urban adventure with this super-grippy Downtown tyre from Pirelli. Designed to let your E-bike zip across town, this tyre features Wet Grip technology for additional control when the weather gets rough. Plus, the grooved tread keeps rolling resistance low, allowing you to build up speed easily for an effortlessly fast ride whenever the road allows.Features: Use: Road / E-Bike E-Bike Certification: ECE-R75 approved Bead: Wire Weight: 780g - 1.18kgBuy Pirelli Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Lightweight Road Thru Axle - Black - 124/15/M12*P1.5}, Black
  • £9.99
  • RRP £14.99
  • Saving you £33

Prime Lightweight Road Thru AxleIf you’re looking to shave some grams from your disc brake road bike but still retain the same confidence-inspiring hold that a 12mm thru axle provides, this Prime Lightweight axle is the perfect choice. An ideal upgrade from your bike’s bulky factory fitted model, it has a low profile, leverless design to give your modern road bike clean looks and extra security when you leave it unattended. Tough, strong and durable, these road bike thru-axles can easily be tightened up with a 6mm Allen key.Features: Material: AL7075 Low profile and lightweight CNC Precision engineered Hollow for weight saving Torque to 10NmAvailable in a range of sizes, Prime has catered for the most common road bike lengths and thread pitches: Option Type Hub Size Length Thread Length Thread Pitch Weight 1 E-Thru 12x100mm 120mm  15mm M12x1.5 24g 2 E-Thru 12x100mm 124mm  15mm M12x1.5 25g 3 E-Thru 12x142mm 160mm 15mm M12x1.5 28g 4 E-Thru 12x142mm 163mm 15mm M12x1.5 29g 5 E-Thru 12x142mm 166mm 15mm M12x1.5 30g 6 E-Thru 12x142mm 170mm 15mm M12x1.5 30g 7 E-Thru 12x142mm 173mm 15mm M12x1.5 31g Manufacturer Part Numbers: Front:  120/15/M12*P1.5: PLRDTA120B 124/15/M12*P1.5: PLRDTA124B Rear: 160/15/M12*P1.5: PLRDTA160B 163/15/M12*P1.5: PLRDTA163B 166/15/M12*P1.5: PLRDTA166B 171/15/M12*P1.5: PLRDTA171B 173/15/M12*P1.5: PLRDTA173BBuy Prime Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Lightweight Road Thru Axle - Black - 160/15/M12*P1.5}, Black
  • £9.99
  • RRP £14.99
  • Saving you £33

Prime Lightweight Road Thru AxleIf you’re looking to shave some grams from your disc brake road bike but still retain the same confidence-inspiring hold that a 12mm thru axle provides, this Prime Lightweight axle is the perfect choice. An ideal upgrade from your bike’s bulky factory fitted model, it has a low profile, leverless design to give your modern road bike clean looks and extra security when you leave it unattended. Tough, strong and durable, these road bike thru-axles can easily be tightened up with a 6mm Allen key.Features: Material: AL7075 Low profile and lightweight CNC Precision engineered Hollow for weight saving Torque to 10NmAvailable in a range of sizes, Prime has catered for the most common road bike lengths and thread pitches: Option Type Hub Size Length Thread Length Thread Pitch Weight 1 E-Thru 12x100mm 120mm  15mm M12x1.5 24g 2 E-Thru 12x100mm 124mm  15mm M12x1.5 25g 3 E-Thru 12x142mm 160mm 15mm M12x1.5 28g 4 E-Thru 12x142mm 163mm 15mm M12x1.5 29g 5 E-Thru 12x142mm 166mm 15mm M12x1.5 30g 6 E-Thru 12x142mm 170mm 15mm M12x1.5 30g 7 E-Thru 12x142mm 173mm 15mm M12x1.5 31g Manufacturer Part Numbers: Front:  120/15/M12*P1.5: PLRDTA120B 124/15/M12*P1.5: PLRDTA124B Rear: 160/15/M12*P1.5: PLRDTA160B 163/15/M12*P1.5: PLRDTA163B 166/15/M12*P1.5: PLRDTA166B 171/15/M12*P1.5: PLRDTA171B 173/15/M12*P1.5: PLRDTA173BBuy Prime Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Lightweight Road Thru Axle - Black - 163/15/M12*P1.5}, Black
  • £9.99
  • RRP £14.99
  • Saving you £33

Prime Lightweight Road Thru AxleIf you’re looking to shave some grams from your disc brake road bike but still retain the same confidence-inspiring hold that a 12mm thru axle provides, this Prime Lightweight axle is the perfect choice. An ideal upgrade from your bike’s bulky factory fitted model, it has a low profile, leverless design to give your modern road bike clean looks and extra security when you leave it unattended. Tough, strong and durable, these road bike thru-axles can easily be tightened up with a 6mm Allen key.Features: Material: AL7075 Low profile and lightweight CNC Precision engineered Hollow for weight saving Torque to 10NmAvailable in a range of sizes, Prime has catered for the most common road bike lengths and thread pitches: Option Type Hub Size Length Thread Length Thread Pitch Weight 1 E-Thru 12x100mm 120mm  15mm M12x1.5 24g 2 E-Thru 12x100mm 124mm  15mm M12x1.5 25g 3 E-Thru 12x142mm 160mm 15mm M12x1.5 28g 4 E-Thru 12x142mm 163mm 15mm M12x1.5 29g 5 E-Thru 12x142mm 166mm 15mm M12x1.5 30g 6 E-Thru 12x142mm 170mm 15mm M12x1.5 30g 7 E-Thru 12x142mm 173mm 15mm M12x1.5 31g Manufacturer Part Numbers: Front:  120/15/M12*P1.5: PLRDTA120B 124/15/M12*P1.5: PLRDTA124B Rear: 160/15/M12*P1.5: PLRDTA160B 163/15/M12*P1.5: PLRDTA163B 166/15/M12*P1.5: PLRDTA166B 171/15/M12*P1.5: PLRDTA171B 173/15/M12*P1.5: PLRDTA173BBuy Prime Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Lightweight Road Thru Axle - Black - 166/15/M12*P1.5}, Black
  • £9.99
  • RRP £14.99
  • Saving you £33

Prime Lightweight Road Thru AxleIf you’re looking to shave some grams from your disc brake road bike but still retain the same confidence-inspiring hold that a 12mm thru axle provides, this Prime Lightweight axle is the perfect choice. An ideal upgrade from your bike’s bulky factory fitted model, it has a low profile, leverless design to give your modern road bike clean looks and extra security when you leave it unattended. Tough, strong and durable, these road bike thru-axles can easily be tightened up with a 6mm Allen key.Features: Material: AL7075 Low profile and lightweight CNC Precision engineered Hollow for weight saving Torque to 10NmAvailable in a range of sizes, Prime has catered for the most common road bike lengths and thread pitches: Option Type Hub Size Length Thread Length Thread Pitch Weight 1 E-Thru 12x100mm 120mm  15mm M12x1.5 24g 2 E-Thru 12x100mm 124mm  15mm M12x1.5 25g 3 E-Thru 12x142mm 160mm 15mm M12x1.5 28g 4 E-Thru 12x142mm 163mm 15mm M12x1.5 29g 5 E-Thru 12x142mm 166mm 15mm M12x1.5 30g 6 E-Thru 12x142mm 170mm 15mm M12x1.5 30g 7 E-Thru 12x142mm 173mm 15mm M12x1.5 31g Manufacturer Part Numbers: Front:  120/15/M12*P1.5: PLRDTA120B 124/15/M12*P1.5: PLRDTA124B Rear: 160/15/M12*P1.5: PLRDTA160B 163/15/M12*P1.5: PLRDTA163B 166/15/M12*P1.5: PLRDTA166B 171/15/M12*P1.5: PLRDTA171B 173/15/M12*P1.5: PLRDTA173BBuy Prime Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Tubeless Road-Gravel Rim Tape - Black - 10m x 26mm}, Black
  • £9.99

Prime Tubeless Road-Gravel Rim TapeThis tubeless rim tape from Prime is the preferred choice of the Vitus Pro Cycling team, perfect for any road racer looking for the optimum tubeless experience. With an extra-strong adhesive base and designed to be heat-resistant, this tape keeps your rim sealed air-tight and prevents wear even when you're gunning for first place. Plus, it's easy-to-apply and conforms perfectly to the shape of your rim, so you can enjoy all the fast-rolling, puncture-resistant benefits of a tubeless wheel without any hassle.Features:  Length: 10m  Heat Resistant  Easy to Apply  Can also be used as standard rim tape in Clincher set-up  Available in 22mm, 24mm and 26mm widthsBuy Prime Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Tubeless Road-Gravel Rim Tape - Black - 10m x 22mm}, Black
  • £9.99

Prime Tubeless Road-Gravel Rim TapeThis tubeless rim tape from Prime is the preferred choice of the Vitus Pro Cycling team, perfect for any road racer looking for the optimum tubeless experience. With an extra-strong adhesive base and designed to be heat-resistant, this tape keeps your rim sealed air-tight and prevents wear even when you're gunning for first place. Plus, it's easy-to-apply and conforms perfectly to the shape of your rim, so you can enjoy all the fast-rolling, puncture-resistant benefits of a tubeless wheel without any hassle.Features:  Length: 10m  Heat Resistant  Easy to Apply  Can also be used as standard rim tape in Clincher set-up  Available in 22mm, 24mm and 26mm widthsBuy Prime Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime Tubeless Road-Gravel Rim Tape - Black - 10m x 24mm}, Black
  • £9.99

Prime Tubeless Road-Gravel Rim TapeThis tubeless rim tape from Prime is the preferred choice of the Vitus Pro Cycling team, perfect for any road racer looking for the optimum tubeless experience. With an extra-strong adhesive base and designed to be heat-resistant, this tape keeps your rim sealed air-tight and prevents wear even when you're gunning for first place. Plus, it's easy-to-apply and conforms perfectly to the shape of your rim, so you can enjoy all the fast-rolling, puncture-resistant benefits of a tubeless wheel without any hassle.Features:  Length: 10m  Heat Resistant  Easy to Apply  Can also be used as standard rim tape in Clincher set-up  Available in 22mm, 24mm and 26mm widthsBuy Prime Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime RR-50 V3 Road Wheel Sticker Pack - Grey - Pack of 6}, Grey
  • £9.99

Prime RR-50 V3 Sticker PackDesigned for customising your Prime RR-50 V3 rim or disc brake wheelset, this sticker pack is perfect for adding some extra style and flair to your ride. It features six high-quality stickers that are easy to apply to your Prime rims for an eye-catching finish.Features: Compatibility: Prime RR-50 V3 rim and disc brake wheelsets Pack Size: Pack of 6 stickersBuy Prime Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime RR-50 V3 Road Wheel Sticker Pack - Green - Pack of 6}, Green
  • £9.99

Prime RR-50 V3 Sticker PackDesigned for customising your Prime RR-50 V3 rim or disc brake wheelset, this sticker pack is perfect for adding some extra style and flair to your ride. It features six high-quality stickers that are easy to apply to your Prime rims for an eye-catching finish.Features: Compatibility: Prime RR-50 V3 rim and disc brake wheelsets Pack Size: Pack of 6 stickersBuy Prime Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime RR-50 V3 Road Wheel Sticker Pack - Celeste Green - Pack of 6}, Celeste Green
  • £9.99

Prime RR-50 V3 Sticker PackDesigned for customising your Prime RR-50 V3 rim or disc brake wheelset, this sticker pack is perfect for adding some extra style and flair to your ride. It features six high-quality stickers that are easy to apply to your Prime rims for an eye-catching finish.Features: Compatibility: Prime RR-50 V3 rim and disc brake wheelsets Pack Size: Pack of 6 stickersBuy Prime Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime RR-50 V3 Road Wheel Sticker Pack - Red - Pack of 6}, Red
  • £9.99

Prime RR-50 V3 Sticker PackDesigned for customising your Prime RR-50 V3 rim or disc brake wheelset, this sticker pack is perfect for adding some extra style and flair to your ride. It features six high-quality stickers that are easy to apply to your Prime rims for an eye-catching finish.Features: Compatibility: Prime RR-50 V3 rim and disc brake wheelsets Pack Size: Pack of 6 stickersBuy Prime Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime RR-50 V3 Road Wheel Sticker Pack - White - Pack of 6}, White
  • £9.99

Prime RR-50 V3 Sticker PackDesigned for customising your Prime RR-50 V3 rim or disc brake wheelset, this sticker pack is perfect for adding some extra style and flair to your ride. It features six high-quality stickers that are easy to apply to your Prime rims for an eye-catching finish.Features: Compatibility: Prime RR-50 V3 rim and disc brake wheelsets Pack Size: Pack of 6 stickersBuy Prime Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Prime RR-50 V3 Road Wheel Sticker Pack - Black - Pack of 6}, Black
  • £9.99

Prime RR-50 V3 Sticker PackDesigned for customising your Prime RR-50 V3 rim or disc brake wheelset, this sticker pack is perfect for adding some extra style and flair to your ride. It features six high-quality stickers that are easy to apply to your Prime rims for an eye-catching finish.Features: Compatibility: Prime RR-50 V3 rim and disc brake wheelsets Pack Size: Pack of 6 stickersBuy Prime Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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