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

Shimano Sprocket For Nexus 8 Rear Hub - Grey - 22T}, Grey
  • £4.99
  • RRP £9.99
  • Saving you £50

Shimano Sprocket For Nexus 8 Rear HubAlternative sprockets to offer a different range of gears for the Shimano Nexus 8 hub gear systemBuy Shimano Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Brand-X Seat Clamp and Bolt - Black - 28.6mm}, Black
  • £4.99

Brand-X Seat Clamp and BoltThe Brand-X Seat Clamp is simple, strong and lightweight. The collar is forged from 6000 series aluminium and uses a cro-mo bolt with 5mm allen key fitting to securely fasten your seatpost at your desired height. It is available in 31.8 or 34.9 sizes and comes in durable anodised Black of Silver. Features:Material: 6000 Series AlloySizes: 31.8mm or 34.9mmFinish: Anodised black or silver finishWeight: 20gBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Sprocket For Nexus 8 Rear Hub - Grey - 16T}, Grey
  • £4.99
  • RRP £9.99
  • Saving you £50

Shimano Sprocket For Nexus 8 Rear HubAlternative sprockets to offer a different range of gears for the Shimano Nexus 8 hub gear systemBuy Shimano Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Sprocket For Nexus 8 Rear Hub - Grey - 18T}, Grey
  • £4.99
  • RRP £9.99
  • Saving you £50

Shimano Sprocket For Nexus 8 Rear HubAlternative sprockets to offer a different range of gears for the Shimano Nexus 8 hub gear systemBuy Shimano Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Sprocket For Nexus 8 Rear Hub - Grey - 21T}, Grey
  • £4.99
  • RRP £9.99
  • Saving you £50

Shimano Sprocket For Nexus 8 Rear HubAlternative sprockets to offer a different range of gears for the Shimano Nexus 8 hub gear systemBuy Shimano Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Transfil Black Snake Universal Inner Gear Cable, Black
  • £4.99

Transfil Black Snake Universal Inner Gear CableThis top-notch model offers a high resistance, pre-stretched, compacted, smoothed and galvanised steel wire that's teflon coated by an exclusive process. This completely tight coating is ideal for all weather conditions and even extreme conditions such as sand, mud and sea air. Additionally, the quality of the teflon coating reduces friction to 0.02 in comparison with 0.05 with a standard steel wire. Suitable for both MTB and road bikes.Features: Use: MTB or Road Cable Length: 2300mm Self-lubricating requires no maintenance Quick, precise direct transmission Braking response time greatly reduced Explosive transmission system Guaranteed not to frayBuy Transfil Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Nukeproof Proton CrMo Flat MTB Pedal Axle Kit - Silver, Silver
  • £4.99
  • RRP £9.99
  • Saving you £50

Nukeproof Proton Cro-Mo Axle KitFuelled by a passionate team of riders, racers and mechanics, Nukeproof benefits from a wealth of knowledge and experience which can only be developed through years of hands on experience. Use the right parts with these genuine Nukeproof replacements. Please note: Nuts are not included with this item. Features:Genuine NukeProof replacement Axle for the Proton Cro-Mo pedal. Buy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Universal Tubeless Presta Valves - Black - 45mm, Black
  • £4.99
  • RRP £9.99
  • Saving you £50

Lifeline Universal Tubeless Presta ValvesLifeline's Universal Tubeless Presta Valves, which come as a pair, have been manufactured to offer quick, easy, and efficient installation of tubeless tyres. Allowing maximum airflow from CO2 cartridges and traditional pumps, these Universal Tubeless Presta Valves also have a removable core for easy inflation.Features:Easy installationRemovable valve coreAccept high-volume airflowAluminium valve stems

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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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KMC R Shimano E-Bike Sprocket - Chromoly - 0.09375, Chromoly
  • £4.99
  • RRP £6.49
  • Saving you £23

KMC R Shimano E-Bike SprocketThis brilliant sprocket is ideally suited for E-bike use as it offers a durable and reliable riding experience. It features a strong CrMo construction which makes it incredibly tough at handling all the extra torque and speed produced by electric motors. Optimised for use with Shimano internal gear hubs, this dependable component ensures that every rotation is smooth as you navigate your way around the city.Features: Material: CrMo Use: E-bike Speed: Single speed Dimensions: 1/2x1/8" Hub Compatibility: Shimano internal gear hubsBuy KMC Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Universal Tubeless Presta Valves - Black - 55mm, Black
  • £4.99
  • RRP £9.99
  • Saving you £50

Lifeline Universal Tubeless Presta ValvesLifeline's Universal Tubeless Presta Valves, which come as a pair, have been manufactured to offer quick, easy, and efficient installation of tubeless tyres. Allowing maximum airflow from CO2 cartridges and traditional pumps, these Universal Tubeless Presta Valves also have a removable core for easy inflation.Features:Easy installationRemovable valve coreAccept high-volume airflowAluminium valve stems

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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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Ragley Marley Derailleur Hanger (2013)
  • £4.99
  • RRP £9.99
  • Saving you £50

Ragley Marley Derailleur Hanger (2013) Genuine Ragley Replacement gear hanger to fit 2013 Marley frames. Features: Includes 2x fitting bolts. Only fits 2013 Marley frames.Buy Ragley Frame Spares from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Campagnolo EPS Mains Power Cable Kit - Black - Cable Kit - UK}, Black
  • £4.99
  • RRP £6.99
  • Saving you £29

Campagnolo EPS Mains Power Cable KitItalian quality and craftsmanship are at the core of this iconic name in cycling componentry. World champions and Tour de France winners have relied on the quality and effectiveness of 'Campag' products for many years.Features: Cable power kits for the Campagnolo EPS battery charger. Different plug standards available. WARNING - All connection, installation, removal and adjustment operations of the EPS drivetrain must only be carried out by a Campagnolo Service Center, a Campagnolo Pro Shopor a mechanic specializing in the installation of EPS systems. Any Tampering with or incorrect or incomplete installation of any part of the EPS system will automatically void the warranty. NOTE FOR SPECIALISED MECHANICS - Please remember that all assembly, disassembly, adjustment and maintenance procedures for the EPS drivetrain are described in the EPS technical manual, which is available in PDF format on our internet site www.campagnolo.com. Buy Campagnolo Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Transfil Cable End Crimps (10 Pack) - Gold, Gold
  • £4.99

Transfil Cable End Crimps (10 Pack)These cable end crimps come as a pack of 10 and feature a high-grade alloy construction for maximum strength and durability on your ride. Transfil has also equipped these with a hard anodised finish that gives them additional corrosion resistance for reliable inner wire actuation in all-weather conditions. One final highlight is this pack is available in a range of colour options to choose from, so you can add some extra style to your ride. This makes it a great choice of upgrade for smooth and dependable performance while protecting the end of the inner wire.The Transfil 10 Pack Cable End Crimp is made from the highest quality materials. Transfil's technology comes from the research, innovation, and production of the control cables they produce for the French car industry. Their bicycle brake and gear cable accessories, end caps and ferrules are among the most reliable and dependable on the market.Features: Material: High-grade Alloy Finish: Hard Anodised with various colour options to choose from Number of Cable End Crimps: 10 pack Protects the end of your cable inner wireManufacturer's Part Number: KB62G Gold M 10 pack KB62K Black M 10 pack KB62R Red M 10 packBuy Transfil Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Hex Wrench Tool - Black - 8mm, Black
  • £4.99
  • RRP £5.99
  • Saving you £17

LifeLine Hex Wrench ToolA workshop standard from LifeLine, their Hex Wrench Tool is a versatile and durable bit of kit, ideal for unfastening and installing a wide range of parts and components on your bike during repair, replacement or modification. Comfortable, convenient and durable, these tools carry out removals and installations with ease.Versatile and Long-lasting Hex ToolThis hard-wearing tool is the ideal implement for getting to grips with any parts of your bike held on by six-sided head fasteners. The L-shaped design lets you make perfect use of either the hex end or ball end, with its long shaft offering great leverage to efficiently and safely loosen and tighten compatible screws during your repair or replacement job. Surrounded by a comfortable grip for painless grip during everyday use, the Hex Wrench Tool will help you carry out work on pedals, cranksets and freewheels in no time at all. This LifeLine essential is a handy and helpful addition to any mechanic's toolbox or rider's kitbag, Features: Offers additional leverage Comfort grip Ideal for pedal, cranks and freewheel removal Hex and ball endBuy LifeLine Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Transfil Cable End Crimps (10 Pack) - Red, Red
  • £4.99

Transfil Cable End Crimps (10 Pack)These cable end crimps come as a pack of 10 and feature a high-grade alloy construction for maximum strength and durability on your ride. Transfil has also equipped these with a hard anodised finish that gives them additional corrosion resistance for reliable inner wire actuation in all-weather conditions. One final highlight is this pack is available in a range of colour options to choose from, so you can add some extra style to your ride. This makes it a great choice of upgrade for smooth and dependable performance while protecting the end of the inner wire.The Transfil 10 Pack Cable End Crimp is made from the highest quality materials. Transfil's technology comes from the research, innovation, and production of the control cables they produce for the French car industry. Their bicycle brake and gear cable accessories, end caps and ferrules are among the most reliable and dependable on the market.Features: Material: High-grade Alloy Finish: Hard Anodised with various colour options to choose from Number of Cable End Crimps: 10 pack Protects the end of your cable inner wireManufacturer's Part Number: KB62G Gold M 10 pack KB62K Black M 10 pack KB62R Red M 10 packBuy Transfil Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Hex Wrench Tool - Black - 6mm, Black
  • £4.99
  • RRP £5.99
  • Saving you £17

LifeLine Hex Wrench ToolA workshop standard from LifeLine, their Hex Wrench Tool is a versatile and durable bit of kit, ideal for unfastening and installing a wide range of parts and components on your bike during repair, replacement or modification. Comfortable, convenient and durable, these tools carry out removals and installations with ease.Versatile and Long-lasting Hex ToolThis hard-wearing tool is the ideal implement for getting to grips with any parts of your bike held on by six-sided head fasteners. The L-shaped design lets you make perfect use of either the hex end or ball end, with its long shaft offering great leverage to efficiently and safely loosen and tighten compatible screws during your repair or replacement job. Surrounded by a comfortable grip for painless grip during everyday use, the Hex Wrench Tool will help you carry out work on pedals, cranksets and freewheels in no time at all. This LifeLine essential is a handy and helpful addition to any mechanic's toolbox or rider's kitbag, Features: Offers additional leverage Comfort grip Ideal for pedal, cranks and freewheel removal Hex and ball endBuy LifeLine Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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LifeLine Hex Wrench Tool - Black - 10mm, Black
  • £4.99
  • RRP £5.99
  • Saving you £17

LifeLine Hex Wrench ToolA workshop standard from LifeLine, their Hex Wrench Tool is a versatile and durable bit of kit, ideal for unfastening and installing a wide range of parts and components on your bike during repair, replacement or modification. Comfortable, convenient and durable, these tools carry out removals and installations with ease.Versatile and Long-lasting Hex ToolThis hard-wearing tool is the ideal implement for getting to grips with any parts of your bike held on by six-sided head fasteners. The L-shaped design lets you make perfect use of either the hex end or ball end, with its long shaft offering great leverage to efficiently and safely loosen and tighten compatible screws during your repair or replacement job. Surrounded by a comfortable grip for painless grip during everyday use, the Hex Wrench Tool will help you carry out work on pedals, cranksets and freewheels in no time at all. This LifeLine essential is a handy and helpful addition to any mechanic's toolbox or rider's kitbag, Features: Offers additional leverage Comfort grip Ideal for pedal, cranks and freewheel removal Hex and ball endBuy LifeLine Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Tektro Brake Cable Hanger - Black - Black - Each}, Black
  • £4.99
  • RRP £6.00
  • Saving you £17

Tektro Cable HangerFront Cable Hanger for cantilever brakes.Features: Designed to fit 28.6mm steer tubes Perfect for use with Kinesis cyclocross frame sets Colour - Silver Buy Tektro Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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