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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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

Selle SMP Grip Gel Bar Tape - White, White
  • £28.92
  • RRP £41.99
  • Saving you £31

Selle SMP Grip Gel Bar TapeSelle SMP knows when you’re competing in tough races or taking on endurance rides over mixed terrain, you need ultimate steering control. Its highly durable Grip Gel Bar Tape will ensure you’ll always enjoy outstanding grip and hand comfort, as its high-performance polymer keeps your hands in position even in the harshest weather conditions. Plus, its shock-absorbing gel dampens vibrations and sudden shocks to prevent hand numbness.Strong and Durable Bar TapeThe materials used in this bar tape are 100% Italian, making it the ideal replacement or upgrade for that extra performance boost to keep you riding at the top of your game.Features: Material: High-Performance Polymer (HPP) and Gel (materials of 100% Italian origin) Single or Pair: Pair (enough length for all drop bar sizes) Thickness: 3mmGel or Tape: GelBar End Plugs Included: Yes Weight: 20gBuy Selle SMP Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano SIL-TEC PTFE Road Brake Cable Set - Yellow, Yellow
  • £28.99
  • RRP £36.99
  • Saving you £22

Shimano Road SIL-TEC PTFE Brake Cable SetThis essential Brake Cable Set from Shimano ticks all the boxes. Suitable for Shimano Dura-Ace 7900 and Ultegra 6700 brakesets, it's the ideal set to have in your workshop.Set Includes:1.6mm PTFE inner wires (1 x 1000mm and 1 x 2050mm)5mm outer casing for a complete bike (1 x 800mm and 1 x 1400mm)All end capsFeatures:Use: Road, Time Trial, Touring, CyclocrossDie-extruded PTFE coated inner wire leaves a smooth surface for low friction in use, and stainless steel provides smooth shifting and higher corrosion resistanceOuter casing is lined with a polymer sheath to assist with the smooth operation of the inner wireA 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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Lezyne Pressure Drive Mini-Pump - Black - Small}, Black
  • £28.99
  • RRP £40.00
  • Saving you £28

Lezyne Pressure Drive Mini-PumpThe high-performance Drive Mini-Pump from Lezyne is a reliable portable inflator that is incredibly lightweight and offers high-quality pumping, for whatever challenges your tyres encounter on your journey.  Compact and Convenient Bike Tyre PumpWorking to a maximum inflation pressure of 120psi, there's plenty of punch in this small but strong inflator. Made from a low-weighted, CNC-machined aluminium and designed with an ergonomic, overlapping handle, the Pressure Drive Pump is optimised to work best om high-pressure tyres. Compatible with Presta and Schrader valves, its ABS Flex hose also includes an integrated valve core tool, and comes complete with its own frame mount, the Pressure Drive Pump makes for a highly versatile and hard-wearing hand pump.Features: Material: CNC-machined Aluminium Maximum Inflation Pressure: 120psi Length: Small: 170mm; Medium: 216mm Mount: Composite Matrix Frame Mount Compatibility: Presta and Schrader valves Weight: Small: 89g; Medium: 102gBuy Lezyne Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Lizard Skins Danny MacAskill Lock On Handlebar Grips - Neon - 136mm}, Neon
  • £28.99

Lizard Skins Danny MacAskill Lock On Handlebar GripsThese Danny MacAskill designed signature grips are the first single-sided lock on grips from Lizard Skins and the most technical grips in their line-up. These grips have a larger diameter in key areas of the grip to provide better cushioning during impacts and vibration dampening.Features:Designed and ridden by Danny MacAskillSingle-sided lock on gripLarger diameter in key areasDiameter: 29mm - 30mmBuy Lizard Skins Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Lizard Skins Danny MacAskill Lock On Handlebar Grips - Tangerine - 136mm}, Tangerine
  • £28.99

Lizard Skins Danny MacAskill Lock On Handlebar GripsThese Danny MacAskill designed signature grips are the first single-sided lock on grips from Lizard Skins and the most technical grips in their line-up. These grips have a larger diameter in key areas of the grip to provide better cushioning during impacts and vibration dampening.Features:Designed and ridden by Danny MacAskillSingle-sided lock on gripLarger diameter in key areasDiameter: 29mm - 30mmBuy Lizard Skins Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Wellgo RC713 Road SPD Pedals - Silver, Silver
  • £28.99

Wellgo RC713 Road SPD PedalsSuitable for use with Shimano SH-51 Cleats, these SPD (Shimano Pedalling Dynamics) compatible pedals from Wellgo are a great option for propelling you to glory. Built with a CrMo axle and sealed bearing, they're ideal for the avid road rider. Features Material: Body; Polished Aluminium; Axle: CrMo Bearings: Sealed SPD Cleats included Compatible with both MTB and Road SPD shoesPlease Note: These pedals are not compatible with SPD-SL road shoes which require the larger triangular shaped cleatsBuy Wellgo Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Wellgo LU987B Downhill Chromoly Axle MTB Pedals - Silver, Silver
  • £28.99

Wellgo LU987B Downhill Chromoly Axle MTB PedalsThese reliable MTB pedals are perfect for downhill riding as theyfeature super-smooth sealed bearings, replaceable traction pins and a CrMo axle for a fast pedal stroke. Furthermore, their flat profile with removable reflectors makes them a perfect upgrade for a stronger and more accurate grip when riding off-road.Features: Bearings: Super-smooth sealed bearings Pins: Replaceable traction pins Type: Flat Use: Downhill; MTB Axle: CrMo Removeable reflectorsBuy Wellgo Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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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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