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

LifeLine Tubeless Tyre Sealant - Black - 80ml}, Black
  • £4.99

LifeLine Tubeless Tyre SealantThe LifeLine Tubeless Tyre Sealant is a top of the range tubeless application that can effectively seal holes and gashes in the tyre up to 5mm. This unique sealant features a blend of a DuPont Kevlar additive for additional sealing effectiveness and reliability. This fast-acting sealant is non-toxic, will not freeze or boil (tested to -17°C and +45°C) and is fully compatible with alloy, steel and composite wheel/rim constructions. No Mess, No Hassle SystemBoth the 80ml and 150ml bottles feature an applicator, which is a no mess, no hassle nozzle system that is perfect for Presta Valves and has a built-in valve removal tool. The bottles also have a clear measuring window, enabling you to gauge the precise quantity of tubeless sealant you require when setting up your tubeless system. As a bonus, the Eco-friendly bottle is refillable.Features:  Applicator bottle is reusable and includes built-in Presta Valve removal tool (80ml and 150ml bottle)  Clear measuring window  Mess free application  Seals punctures up to 5mm  DuPont Kevlar additive  Non-toxic and non-staining  Extended one-year shelf-life  Application instructions on sealant bottle  Recommended Amount: 1"/25mm to 1.5"/38mm width: 60-80ml; 2" to 4" width: 100-150mlBuy LifeLine Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Joe's No Flats Tubeless Presta Valve Kit - 40mm}
  • £4.99
  • RRP £13.99
  • Saving you £64

Joe's No Flats Tubeless Presta Valve KitIt's our love of bicycling and fresh air that makes us free. Free to ride, travel, explore, commute or compete. Joe's No Flats provides the bicycle market with the world's most effective tubeless solutions.Features: 2 tubeless french/presta valve - 32mm. High quality spare part. Tubeless specific. Fits all rims, standard and tubeless.Buy Joe's No Flats Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Slime Smart Mountain Bike Inner Tube - 26"
  • £4.99
  • RRP £11.99
  • Saving you £58

Slime Smart Mountain Bike Inner TubeIf you want to seriously reduce your chances of suffering a puncture when out on a ride, the Smart Mountain Bike (MTB) Inner Tube is for you. Created by puncture prevention specialists Slime, it comes pre-installed with the sealant, so you can install it just as easily as a standard type and then ride on tough terrain and over damaged roads with extra confidence.Features: Material: Butyl Rubber Quickly seals tread area punctures Valve Type: Presta and Schrader options available to select Valve Core Removeable: No Valve Length: Presta Option: 48mm; Schrader Option: 40mmBuy Slime Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Lightweight Road Inner Tube - 18-25mm
  • £4.99

LifeLine Lightweight Road Inner TubeLifeline's Lightweight Road Tube provides excellent value for money and is ultra-light at only 80g for the 48mm option and 81g for the 60mm. Produced from high quality butyl rubber and rigorously tested to guarantee no air leakage, this Lightweight Road Tube provides first-class weight-savings, reliability, and durability - everything you want, and need, from an inner tube.Features: Material: Butyl Rubber 0.73mm thick walls Air leakage tested Great value Presta valve Includes lock ring and cap Non-removable valve cores Recycled packaging Made in Indonesia Weights: (all weights +/- 10%) 700 x 18-25mm Presta 48mm: 104g 700 x 18-25mm Presta 60mm: 116g 700 x -28-35mm Presta 60mm: 115g Buy Lifeline Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Valve Extensions - Removable VC - Pair - Silver, Silver
  • £4.99

LifeLine Valve Extensions - Removable VC - PairA pair of high quality valve extenders to fit presta valves with removable cores. Essential for inflating inner tubes mounted on deep section rims or adding additional valve clearance.LifeLine valve extenders offer quick and convenient clearance to presta valves, ideal for deep section aero rims and disc wheels etc. Simply remove the valve core from your inner tube with the tool provided and thread the extender in its place. Finally, install the valve core into the top of the extender.FeaturesFits presta valves with removable valve coresExtends the valve by 60mmSupplied with a convenient installation toolRubber O-ring for an effective sealTextured top for a secure seal with the pump head when inflating at high pressuresSupplied as a pairBuy LifeLine Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Downhill Mountain Bike Inner Tube - 27.5" (650b)
  • £4.99

LifeLine Downhill Mountain Bike Inner TubeThe rough and tumble terrain of downhill riding demands thicker, durable, and reliable tubes to cope with the rock strewn and root infested trails. Pinch flats are all too common, so LifeLine has designed their DH MTB Tube with thicker tube walls to combat this ride wrecker. Rigorously air tested for reliability and durability, LifeLine's butyl tube will roll with the terrain.Features: Use: MTB, DH Valve: Presta, 48mm length Butyl Tube Suitable for 29" MTB wheels Air leakage tested Includes lock ring and cap Non-removable valve cores 1.2mm thick walls Recycled packaging Made in Indonesia Weight: (+/- 10%): 27.5" x 2.2"- 2.5" Presta 48mm: 317±16gBuy LifeLine Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Downhill Mountain Bike Inner Tube - 26"
  • £4.99

LifeLine Downhill Mountain Bike Inner TubeThe rough and tumble terrain of downhill riding demands thicker, durable, and reliable tubes to cope with the rock strewn and root infested trails. Pinch flats are all too common, so LifeLine has designed their DH MTB Tube with thicker tube walls to combat this ride wrecker. Rigorously air tested for reliability and durability, LifeLine's butyl tube will roll with the terrain.Features: Use: MTB, DH Valve: Presta, 48mm length Butyl Tube Suitable for 29" MTB wheels Air leakage tested Includes lock ring and cap Non-removable valve cores 1.2mm thick walls Recycled packaging Made in Indonesia Weight: (+/- 10%): 27.5" x 2.2"- 2.5" Presta 48mm: 317±16gBuy LifeLine Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Impac AV Inner Tube - 1.7" - 2.1"
  • £4.99
  • RRP £5.99
  • Saving you £17

Impac AV Inner TubeThis Inner Tube from Impac is manufactured by Schwalbe under the Impac brand name. It is an excellent performer and is superb value for money.Features: High-Quality Butyl Inner Tube Valve Type: SchraderBuy Impac Tyres & Tubes from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Impac AV Inner Tube - 1.50" - 2.35"
  • £4.99
  • RRP £5.99
  • Saving you £17

Impac AV Inner TubeThis Inner Tube from Impac is manufactured by Schwalbe under the Impac brand name. It is an excellent performer and is superb value for money.Features: High-Quality Butyl Inner Tube Valve Type: SchraderBuy Impac Tyres & Tubes from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Impac SV Inner Tube - 20/28c
  • £4.99
  • RRP £5.99
  • Saving you £17

Impac SV Inner TubeThis Inner Tube from Impac is manufactured by Schwalbe under the Impac brand name. It is an excellent performer and is superb value for money.Features: High-Quality Butyl Inner Tube Valve Type: PrestaBuy Impac Tyres & Tubes from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Impac SV Inner Tube - 28c - 47c
  • £4.99
  • RRP £5.99
  • Saving you £17

Impac SV Inner TubeThis Inner Tube from Impac is manufactured by Schwalbe under the Impac brand name. It is an excellent performer and is superb value for money.Features: High-Quality Butyl Inner Tube Valve Type: PrestaBuy Impac Tyres & Tubes from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine 29" Downhill Mountain Bike Inner Tube
  • £4.99

LifeLine 29" DH Inner Tube Ready for fast-paced downhill racing, this inner tube is perfect as a replacement or spare for your mountain bike. It features a Presta valve and it is suitable for 29" tyres for quick and easy installation.Features: Use: MTB, DH Valve: Presta, 48mm length Suitable for 29" MTB wheels Air leakage tested Includes lock ring and cap Non-removable valve cores 1.2mm thick walls Recycled packaging Made in Indonesia Weight: (+/- 10%): 29" x 2.2"- 2.5" Presta 48mm: 336±17gBuy Lifeline Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Joe's No Flats Yellow Gel Self Sealing Inner Tube - Black - 27.5" (650b), Black
  • £4.99
  • RRP £9.99
  • Saving you £50

Joe's No Flats Yellow Gel Self Sealing Inner Tube High quality Mountain Bike inner-tubes prefilled with Joe's Yellow Gel Inner-tube Sealant. With fiber gel technology. Prevents flats by instantly sealing punctures in the tread area of the tire up to 3mm. Contains micro-fibers to prevent and repair punctures. Non-toxic and long lasting. Features: If you get a puncture, always SPIN the wheel to distribute the sealant. If spinning does not work, find the hole in turn the wheel so the hole will face the ground. Add more air if necessary. Enjoy the rest of your ride!Buy Joe's No Flats Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Joe's No Flats Yellow Gel Self Sealing Inner Tube - Black - 29", Black
  • £4.99
  • RRP £10.99
  • Saving you £55

Joe's No Flats Yellow Gel Self Sealing Inner Tube High quality Mountain Bike inner-tubes prefilled with Joe's Yellow Gel Inner-tube Sealant. With fiber gel technology. Prevents flats by instantly sealing punctures in the tread area of the tire up to 3mm. Contains micro-fibers to prevent and repair punctures. Non-toxic and long lasting. Features: If you get a puncture, always SPIN the wheel to distribute the sealant. If spinning does not work, find the hole in turn the wheel so the hole will face the ground. Add more air if necessary. Enjoy the rest of your ride!Buy Joe's No Flats Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Maxxis Crossmark MTB Tyre - Black - Folding Bead, Black
  • £4.99
  • RRP £47.99
  • Saving you £90

Maxxis Crossmark MTB TyreThe Maxxis Crossmark MTB Tyre is a dramatic evolution of their cross-country racing tyre. The centre ridge flies on hardpack, yet has enough spacing to grab wet roots and rocks. The slightly raised ridge of side knobs offers cornering precision never before seen on a tyre this fast.Features:Fast rolling centre ridgeRaised side knobs for better corneringSize: 26x2.25TPI: 60Max PSI: 65Durometer: 60aBuy Maxxis Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Gloworm CX Replacement Optics - Clear - Standard}, Clear
  • £4.99
  • RRP £5.99
  • Saving you £17

Gloworm CX Optic StandardThe CX Replacement Optics from Gloworm are replacement/spare optics that are interchangeable for different light effects and diffusion. These replacement optics are comaptible with Gloworm CX/Alpha cycle lights.Genuine replacement Spot/Wide, Spot/Spot or Wide/Wide optics for your Gloworm CX/Alpha Light.SPOT (96% Efficient/FWHM 17 degrees):The spot optic provides the narrowest beam. It is also the most efficient, allowing the greatest light output. It can be used in conjunction with another spot optic to gain the greatest possible output and therefore beam distance. This configuration is best used on the helmet to see down the trail or to spot the exit of a turn. Alternatively, the spot could be paired with another optic type from an alternative light pattern.WIDE (87% Efficient/FWHM 40 degrees):This optic provides a wide rectangular beam, it utilises the light output to provide more peripheral light and less light in the vertical axis. While not as optically efficient as the Spot Optic, it provides very good output for a wide-angle optic. Two wide optics can be paired as a great option for use on the road, however, when paired with either a flood or spot optic an effective hybrid beam can be created.Features: Genuine replacement Gloworm Optics Spot/Wide or Wide/Wide optics for your Gloworm for the CX/Alpha Light Replacement Optics Features: Standard: Spot/Wide Spot: Spot/Spot Wide: Wide/WideBuy Gloworm Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Gloworm CX Replacement Optics - Clear - Wide}, Clear
  • £4.99
  • RRP £5.99
  • Saving you £17

Gloworm CX Optic StandardThe CX Replacement Optics from Gloworm are replacement/spare optics that are interchangeable for different light effects and diffusion. These replacement optics are comaptible with Gloworm CX/Alpha cycle lights.Genuine replacement Spot/Wide, Spot/Spot or Wide/Wide optics for your Gloworm CX/Alpha Light.SPOT (96% Efficient/FWHM 17 degrees):The spot optic provides the narrowest beam. It is also the most efficient, allowing the greatest light output. It can be used in conjunction with another spot optic to gain the greatest possible output and therefore beam distance. This configuration is best used on the helmet to see down the trail or to spot the exit of a turn. Alternatively, the spot could be paired with another optic type from an alternative light pattern.WIDE (87% Efficient/FWHM 40 degrees):This optic provides a wide rectangular beam, it utilises the light output to provide more peripheral light and less light in the vertical axis. While not as optically efficient as the Spot Optic, it provides very good output for a wide-angle optic. Two wide optics can be paired as a great option for use on the road, however, when paired with either a flood or spot optic an effective hybrid beam can be created.Features: Genuine replacement Gloworm Optics Spot/Wide or Wide/Wide optics for your Gloworm for the CX/Alpha Light Replacement Optics Features: Standard: Spot/Wide Spot: Spot/Spot Wide: Wide/WideBuy Gloworm Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Gloworm Replacement Optics (G1.0-G2.0) - Clear - Wide, Clear
  • £4.99

Gloworm Optic XS/X2 Flood (G1.0)The Optic XS/X2 Flood (G1.0) from Gloworm are replacement/spare optics that are interchangeable for different light effects and diffusion for G1.0 and G2.0 cycle lights.Genuine replacement optics for your Gloworm Light. Choose from either: Spot, Flood or Wide for the X2/XS G1.0, Spot, Wide or Honeycomb for the X2/XS/XSV G2.0 or Spot/Spot, Spot/Wide or Wide/Wide for the CX/Alpha. SPOT (96% Efficient/FWHM 17 degrees):The spot optic provides the narrowest beam. It is also the most efficient, allowing the greatest light output. It can be used in conjunction with another spot optic to gain the greatest possible output and therefore beam distance. This configuration is best used on the helmet to see down the trail or to spot the exit of a turn. Alternatively, the spot could be paired with another optic type from an alternative light pattern. FLOOD (84% Efficient/FWHM 25 degrees):For a smooth diffused light pattern the Flood optic is the best option. It takes the light and smooths the light across the width of the beam, making it slightly easier on the eye and creating even light from left to right. A pair of Flood optics would provide a wall of smooth light, however in doing so a significant amount of light intensity would be lost compared to a pair of spot optics. The flood is best used in tandem with a spot or wide optic. WIDE (87% Efficient/FWHM 40 degrees):This optic provides a wide rectangular beam, it utilises the light output to provide more peripheral light and less light in the vertical axis. While not as optically efficient as the Spot Optic, it provides very good output for a wide-angle optic. Two wide optics can be paired as a great option for use on the road, however, when paired with either a flood or spot optic an effective hybrid beam can be created. HONEYCOMB (87% Efficient/FWHM 30 degrees):Designed for use with the XSV, the Honeycomb Optic is used to gain a smooth diffused light pattern when used with 2 spot optics or other honeycomb optics. It takes the light and smooths it across the width of the beam, making it slightly easier on the eye and creating a more even transition from the bright beam centre. Features: Gloworm G1.0 The X2 and XS use the same single cone optics, whilst the CX and Alpha share the same double optics. The G1.0 XSV uses the same optics as the G2.0 XSV Gloworm G2.0 The X2 and XS use the same single cone optics The XSV uses the same optics as the G1.0 XSVBuy Gloworm Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Ascend Dropper Cable Sleeve and Barrel - Black, Black
  • £4.99

Brand-X Ascend Dropper Cable Sleeve and Barrel The exact parts you need should you need make some repairs your Brand-X dropper seatpost, this Ascend cable fittings spares pack is a genuine Brand-X replacement, so you can rest assured that they will be compatible with your Ascend dropper seatpost. It includes 3 cable nut sleeves and 3 grub screw barrels.Features: Compatibility: Brand-X Ascend dropper seat post Genuine Brand-X spare parts Contains: 3x cable nut sleeves, 3x grub screw barrelsBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Seal BMX Progression BMX Aheadset - Black, Black
  • £4.99
  • RRP £6.99
  • Saving you £29

Seal BMX Progression BMX AheadsetThe Seal BMX Progression Aheadset is a great value replacement Aheadset that features an open bearing design and is suitable for 1 1/8" steerer tubes.Features: Compatibility: 1 1/8" Aheadset (external)Great value replacement Aheadset Buy Seal BMX Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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