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.
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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

Magura 2-Finger Brake Lever - Black - Reach Adjust}, Black
  • £28.99
  • RRP £32.49
  • Saving you £11

Magura 2-Finger Brake LeverThis genuine Magura brake lever has been specifically developed for MTB riders as it's a tough component for tough rides. Ideal for replacing your existing 2-finger lever, this top-notch model features strong and durable aluminium construction for superb braking performance.Features:  Material: Aluminium Compatibility: MaguraUse: Road Genuine Magura replacement brake leverBuy Magura Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Park Tool Shop Screwdriver Set (SD-SET) - Black - Blue - 4 Piece}, Black - Blue
  • £28.99

Park Tool Shop Screwdriver Set (SD-SET)The essential kit for your workshop, this Screwdriver Set from Park Tool includes four Park Tool screwdrivers in one set. Benefiting from dual-density grips and hard-wearing chrome vanadium tips, this is a set that's built to last. Features:Includes two Phillips crosshead size 0 and 2, and two flat blade 3 and 6mm screwdriversBuy Park Tool Workshop Tools from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Lezyne Pocket Drive Mini Pump - Grey, Grey
  • £28.99

Lezyne Pocket Drive Mini PumpThis pocket drive mini pump from Lezyne is an essential item for any cycling commuter. It's been created for on the go maintenance so is incredibly lightweight and compact, but still offers you guaranteed inflation power, when you need it most. Benefiting from a durable aluminium composition that has been processed through CNC machining to ensure it is ultra-lightweight, it's ready to tackle whatever challenges you meet on the way. The Pocket Drive is an amazingly compact and lightweight bicycle hand pump. The pump is Presta and Schrader valve compatible, and it’s completely rebuildable for continued use at a high level.Features:Material: CNC-machined AluminiumMax PSI: 160psi, 11 barDimensions: 140mmOverlapping handleIntegrated ABS Flex HosePresta and Schrader valve compatibilityWeight: 79gBuy Lezyne Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Manitou Fork Air Piston Kit (Mag-Mast-Matt) - Black - Expert Air Spring}, Black
  • £28.99
  • RRP £32.00
  • Saving you £9

Manitou Fork Air Piston Kit (Mag/Mast/Matt)The perfect kit for maintaining your Manitou Expert Air spring, this piston kit comes with the appropriate lubricant to ensure a smooth and efficient job is carried out. Features Compatibility:  Manitou Expert Air Spring Includes:  Manitou Slickoleum Grease Buy Manitou Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Lezyne Pocket Drive Mini Pump - Black, Black
  • £28.99

Lezyne Pocket Drive Mini PumpThis pocket drive mini pump from Lezyne is an essential item for any cycling commuter. It's been created for on the go maintenance so is incredibly lightweight and compact, but still offers you guaranteed inflation power, when you need it most. Benefiting from a durable aluminium composition that has been processed through CNC machining to ensure it is ultra-lightweight, it's ready to tackle whatever challenges you meet on the way. The Pocket Drive is an amazingly compact and lightweight bicycle hand pump. The pump is Presta and Schrader valve compatible, and it’s completely rebuildable for continued use at a high level.Features:Material: CNC-machined AluminiumMax PSI: 160psi, 11 barDimensions: 140mmOverlapping handleIntegrated ABS Flex HosePresta and Schrader valve compatibilityWeight: 79gBuy Lezyne Bike Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Lezyne Pocket Drive HV Mini Pump - Black, Black
  • £28.99

Lezyne Pocket Drive HV Mini PumpThe Lezyne Pocket Drive Mini is a small, powerful and easy-to-store mini-pump that's suited for use with high volume (HV) tyres. A superb addition to your mountain bike or gravel bike kit bag, this compact and efficient pump gets your tyres up to optimum inflation quickly and stores away quickly and conveniently when not in use.Compact, Lightweight and Efficient Mini PumpThe Pocket Drive HV is an incredibly compact and lightweight high-volume bike hand pump featuring impressive pumping efficiency for mountain bikes and other large tyre applications. Durable and Stylish CNC Aluminium High Volume PumpIt's constructed from durable CNC machined aluminium and has a knurled barrel for slip resistant operation. With its overlapping handle and integrated ABS Flex Hose, the Pocket Drive provides unparalleled performance for its size. The pump is Presta and Schrader valve compatible, and it's completely rebuildable for long lasting service. Features: Material: Body: CNC Aluminium; Hose: ABS Flex Hose Max Pressure: 90psi / 6.2 bar Valve Type Compatibility: Presta, Schrader Dimensions: 140mm Weight: 89gBuy Lezyne Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Lezyne Pocket Drive HV Mini Pump - Grey, Grey
  • £28.99

Lezyne Pocket Drive HV Mini PumpThe Lezyne Pocket Drive Mini is a small, powerful and easy-to-store mini-pump that's suited for use with high volume (HV) tyres. A superb addition to your mountain bike or gravel bike kit bag, this compact and efficient pump gets your tyres up to optimum inflation quickly and stores away quickly and conveniently when not in use.Compact, Lightweight and Efficient Mini PumpThe Pocket Drive HV is an incredibly compact and lightweight high-volume bike hand pump featuring impressive pumping efficiency for mountain bikes and other large tyre applications. Durable and Stylish CNC Aluminium High Volume PumpIt's constructed from durable CNC machined aluminium and has a knurled barrel for slip resistant operation. With its overlapping handle and integrated ABS Flex Hose, the Pocket Drive provides unparalleled performance for its size. The pump is Presta and Schrader valve compatible, and it's completely rebuildable for long lasting service. Features: Material: Body: CNC Aluminium; Hose: ABS Flex Hose Max Pressure: 90psi / 6.2 bar Valve Type Compatibility: Presta, Schrader Dimensions: 140mm Weight: 89gBuy Lezyne Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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TA 135 BCD Vento Campagnolo Inner Chainring - Silver - 5-Bolt, Silver
  • £28.99

TA 135 BCD Vento Campagnolo Inner ChainringThe Vento road bike inner chainring is specifically designed for Campagnolo cranksets and is the result of TA's many decades of manufacturing and experience in producing high-quality components. Showing off its traditional lathe cut teeth, this model boasts a superior and more precise tooth shape in comparison to stamped chainrings. Thanks to its computer-generated tooth profiles, you'll benefit from optimised power transfer and prolonged drivetrain life, making it the perfect replacement or upgrade for fast and precise gear changing.Strong and Reliable, Lathe-Cut ChainringOffering an efficient and smooth experience thanks to its heat-treated 7075 aluminium construction, this is an excellent addition to any hard-riding road drivetrain. Thanks to its pick-up pins and machined shifting aids, you'll have the smoothest gear changes possible on 9 and 10 speed systems, even under hard pedalling.Features: Material: 7075 Alloy T6 heat-treated Bolt Circle Diameter (BCD): 5x135mm Speed: 9/10-Speed Chainset Compatibility: Campagnolo only Markings: Chainring orientation markers Sold individuallyPlease Note: For complete compatibility, you must replace both inner and outer with TA chainrings.Buy TA Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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TA 135 BCD Vento Campagnolo Inner Chainring - Black - 5-Bolt, Black
  • £28.99

TA 135 BCD Vento Campagnolo Inner ChainringThe Vento road bike inner chainring is specifically designed for Campagnolo cranksets and is the result of TA's many decades of manufacturing and experience in producing high-quality components. Showing off its traditional lathe cut teeth, this model boasts a superior and more precise tooth shape in comparison to stamped chainrings. Thanks to its computer-generated tooth profiles, you'll benefit from optimised power transfer and prolonged drivetrain life, making it the perfect replacement or upgrade for fast and precise gear changing.Strong and Reliable, Lathe-Cut ChainringOffering an efficient and smooth experience thanks to its heat-treated 7075 aluminium construction, this is an excellent addition to any hard-riding road drivetrain. Thanks to its pick-up pins and machined shifting aids, you'll have the smoothest gear changes possible on 9 and 10 speed systems, even under hard pedalling.Features: Material: 7075 Alloy T6 heat-treated Bolt Circle Diameter (BCD): 5x135mm Speed: 9/10-Speed Chainset Compatibility: Campagnolo only Markings: Chainring orientation markers Sold individuallyPlease Note: For complete compatibility, you must replace both inner and outer with TA chainrings.Buy TA Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Tiagra 4603 10 Speed Triple Chain Ring - Silver - 50t}, Silver
  • £28.99
  • RRP £31.99
  • Saving you £9

Shimano Tiagra 4603 10 Speed Triple Chain RingSporting many features from pro-level equipment, this 2-piece cap-free design Tiagra chainset offers unbeatable performanceFeatures:2-piece cap-free design is quick and easy to install whilst being lighter and stiffer than a traditional crank/ bottom bracket assemblySG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shiftingDesigned to work with HollowTech II type bottom bracket cupsCompatible with 10-speed Super Narrow HG chainsAnodized aluminium crank armsLightweight aluminium chainrings130mm bolt circle diameterA 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.

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Muc-Off Road CO2 Cartridge Inflator Kit - Black, Black
  • £28.99

Muc-Off Road CO2 Cartridge Inflator KitThe Road CO2 Inflator Kit from Muc-Off gets your road bike tyres up to pressure quickly, so you can roll with the greatest efficiency and pace in no time. It's ideal for inflating tyres up to 100 psi from flat and is lightweight, compact and reliable. Fast and Efficient CO2 Tyre InflationThe Muc-Off Inflator kits help riders quickly inflate their tyres and get back to riding in no time! Coming in a 16g cartridge size for road inflating tyres up to 100psi from flat respectively. Each kit contains 2x cartridges, 1x compact and durable CNC-machined inflator head with soft-touch press down button which easily controls CO2 release. Dual head nozzle compatible with Presta and Schrader valves and 1x neoprene sleeve to help avoid freeze burn. Cartridges are also available separately. Features: Keep container closed when not in use Protect containers from abuse Protect from extreme temperatures Keep away from sources of heat Do not puncture the container Do not attempt to refill container Keep away from direct sunlight and heat Never dispose of full chargers Never force open Keep out of reach of childrenBuy Muc-Off Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Cinelli 3D Volee Bar Tape - Black, Black
  • £28.99

Cinelli 3D Volee Bar TapeComfortable, protective and subtly designed, this Cinelli tape is the ideal adornment for your road biking endeavours. Giving a comfortable, shock absorbing cover to your bars, it dampens vibrations to give a pain-free experience, no matter how long you are on the run. Made from a rubberised elastomer compound, this sticky-backed tape is easy to apply and adds a bit of panache to proceedings with a neat graphic from Cinelli collaborator Ana Benaroya. Features Material:  Rubberised Elastomer compound, leather-style feel Technology:  Shock absorbing Use:  Road Buy Cinelli Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Schwalbe Nobby Nic Performance TLR MTB Tyre - Black - 29", Black
  • £28.99
  • RRP £34.99
  • Saving you £17

Schwalbe Nobby Nic Performance TLR MTB TyreBringing you trail-taming, high grip ride without putting too much of a dent in your wallet, this tubeless ready version of Schalbe's Nobby Nic tyre is an all-rounder that will transform your bike’s handling. Ready for all terrains in the wet or dry, it brings you excellent cornering grip when run at lower pressures. Features: Compound: ADDIX Performance Bead Type: Folding Casing: Single Ply, 67 tpi Puncture Protection: No Tubeless Compatible: Yes Modern trail bike tread with stable shoulder blocks for even more tractionEnlarged gaps between blocks for better self-cleaningOutstanding braking and forward traction due to special centre stud arrangement Sold Individually Recommended Tyre Pressures:  26x2.25”: max. 3.7 Bar (max. 54 psi) 26x2.35”: max. 3.5 Bar (max. 50 psi) 27.5x2.25: max. 3.7 Bar (max. 54 psi) 27.5x2.35”: max. 3.5 Bar (max. 50 psi) 29x2.25”: max. 3.7 Bar (max. 54 psi) 29x2.35”: max. 3.5 Bar (max. 50 psi) Weights: 26x2.25”: 795g 26x2.35”: 870g 27.5x2.25: 830g 27.5x2.35”: 910g 29x2.25”: 875g 29x2.35”: 965gTechnologies: ADDIX Performance: A very durable rubber compound that's also very versatile. Like Speedgrip, it's a universal compound for MTB tyres in the Performance Line E-50: E-Bike tyres with European ECE-R75 approval. Schwalbe's recommendation for fast E-Bikes - S-Pedelecs with type approval, insurance and motor assist over 25 kph - for which a special tyre approval is necessary Tubeless Technology: For all ambitious sports cyclists, Tubeless is the right choice. Only Tubeless achieves the best values in terms of more speed, grip, puncture protection and comfort Performance Line: Excellent quality for intensive useBuy Schwalbe Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Deda Elementi Alloy Aero Bar Armrests - Black, Black
  • £28.99

Deda Elementi Alloy Aero Bar ArmrestsDeda Elementi's Alloy Armrests are compatible with its entire range of extensions and are constructed from a lightweight alloy. Offering multiple mounting positions, they'll help you to obtain the perfect arm/riding position on the bars.Features:  Material: 6061 Aluminium  Highly adjustable  Compatible with all Deda Elementi aerobar extensionsBuy Deda Elementi Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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MRP TR MTB Upper Chain Guide - Black, Black
  • £28.99

MRP TR MTB Upper Chain GuideThis upper guide is a genuine replacement for the guide found on many MRP chainguides.Features:Compatible with the G3, AMg (V1 & V2), Micro, 1x (V2 & V3) chainguidesBuy MRP Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Stolen Rampage 24" Rear BMX Wheel - Black, Black
  • £28.99
  • RRP £89.99
  • Saving you £68

Stolen Rampage 24" Rear BMX WheelThe Stolen Rampage Rear Wheel features a sealed hub with 4 sealed cartridge bearings and a 14mm CrMo axle offering a smooth ride with excellent durability. This is hand laced to a Rampage double-wall alloy rim to produce an incredibly strong and lightweight wheel.Features: Hub: Sealed cartridge bearings with 14mm CrMo axle Driver: 9t CrMo driver with 3-pawl system Rim: 36h double-wall alloy Spokes: Black with black brass nipples Includes Stolen PVC rim strip Weight: 1466gBuy Stolen Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Deore BH59 Hydraulic Disc Brake Hose - Black - Rear, Black
  • £28.99

Shimano Deore BH59 Hydraulic Disc Brake HoseComing complete with durable Shimano hydraulic brake hose and all the fittings required for assembly, the Deore BH59 is exactly what you need to adapt or refresh your bike’s hydraulic disc brakes. Specific to Shimano mountain bike brakes with straight/straight connections, this kit even comes with a hose cutting guide.Features: Engineered for use with Shimano straight connect hydraulic disc brake system Uses tapered insert for compatibility with J-Kit and standard brakes Comes with two removable in-line fittings Easily cuttable to fit - comes complete with a cutting tool Sold individually Designed for use with Servo Wave high power brake levers and One Way Bleeding calipers Manufacturer's Part Number: SMBH59JKFWA 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.

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Stolen Rampage 24" Front BMX Wheel - Black, Black
  • £28.99
  • RRP £69.99
  • Saving you £59

Stolen Rampage 24" Front BMX WheelThe Stolen Rampage Front Wheel features a sealed hub with a 10mm CrMo axle offering a smooth ride with excellent durability. This is hand laced to a Rampage double-wall alloy rim to produce an incredibly strong and lightweight wheel.Features: Hub: Sealed cartridge bearings with 10mm CrMo axle Rim: 36h double-wall alloy Spokes: Black with black brass nipples Includes Stolen PVC rim strip Weight: 1148gBuy Stolen Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Park Tool Pedal Wrench (PW-3) - Blue, Blue
  • £28.99

Park Tool Pedal Wrench PW-3As a manufacturer of bicycle specific tools since 1963 you can safely rely on Park Tools' many years of experience. The world's largest bike tool manufacturer is the first choice of professional and home bicycle mechanics around the world.Features:Made from Cro-Moly steel for a shop quality pedal wrench made to last. 15mm and 9/16” precision openings and a long, round, vinyl dipped handle that won’t dig into your hand like flat pedal wrenches. The PW-3 is nominally 32cm (12.5") long.Buy Park Tool Workshop Tools from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Deore FCM610 10 Speed Triple Chainring - Black - Chain Guard Type, Black
  • £28.99
  • RRP £34.99
  • Saving you £17

Shimano Deore FCM610 10 Speed Triple ChainringIf you’re having gear slipping and skipping issues with your Shimano 3x10 speed crankset, the Deore FCM610 10 Speed Triple Chainring will breathe new life back into it. Plus, as it’s a genuine Shimano replacement it will combine with your other chainrings for clean gear changes as you power up to speed on your mountain bike (MTB) or Touring bike.Features:Speed: 10-SpeedBolt Circle Diameter (BCD): 4x104mmCompatibility: Shimano mountain bike (MTB) 3x10-Speed cranksetsAvailable with or without a chainguard fittedGenuine Shimano replacement partA 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.

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