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

Lezyne Tubeless Kit - Black, Black
  • £17.89
  • RRP £21.99
  • Saving you £19

Lezyne Tubeless KitReady to quickly get you rolling on the trails again if you damage your tubeless tyre, this Tubeless Kit comes complete with an aluminium storage container that flips around to become the tyre reamer tool’s handle and five adhesive tyre plugs. Offering you all you need to make your repair, its small and minimalist design means you can easily slip it into your pocket or bag and forget about it until you need it.Please Note: Sealing performance may vary based on puncture size, tyre size and tyre pressure.Features:Included: Combined tyre reamer and insertion tool, 5 adhesive tyre plugsTool and tyre plugs fit inside the included storage container Weight: 47gBuy Lezyne Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

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GripGrab Merino Winter Socks - Black - S}, Black
  • £17.95

GripGrab Merino Winter SocksIdeal for damp and cold days in the saddle, the Merino Winter Socks from GripGrab are made from merino wool, one of the most lightweight insulating materials on the market. Extra padded soles add to the warmth, the reinforced heel and toe make them highly durable, and the combination of an extra high cuff and arch support keep your feet comfortable.Features:Material: 41% Polyamide, 28% Merino Wool, 27% Acrylic, 2% Elastane, 2% PolyesterQuality Merino woolPadded sole for extra insulationExtra high cuffNylon reinforced heel and toeStretch arch supportBuy GripGrab Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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GripGrab Merino Winter Socks - Black - L}, Black
  • £17.95

GripGrab Merino Winter SocksIdeal for damp and cold days in the saddle, the Merino Winter Socks from GripGrab are made from merino wool, one of the most lightweight insulating materials on the market. Extra padded soles add to the warmth, the reinforced heel and toe make them highly durable, and the combination of an extra high cuff and arch support keep your feet comfortable.Features:Material: 41% Polyamide, 28% Merino Wool, 27% Acrylic, 2% Elastane, 2% PolyesterQuality Merino woolPadded sole for extra insulationExtra high cuffNylon reinforced heel and toeStretch arch supportBuy GripGrab Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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GripGrab Merino Winter Socks - Black - M}, Black
  • £17.95

GripGrab Merino Winter SocksIdeal for damp and cold days in the saddle, the Merino Winter Socks from GripGrab are made from merino wool, one of the most lightweight insulating materials on the market. Extra padded soles add to the warmth, the reinforced heel and toe make them highly durable, and the combination of an extra high cuff and arch support keep your feet comfortable.Features:Material: 41% Polyamide, 28% Merino Wool, 27% Acrylic, 2% Elastane, 2% PolyesterQuality Merino woolPadded sole for extra insulationExtra high cuffNylon reinforced heel and toeStretch arch supportBuy GripGrab Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.

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DMR Brendog Death Grip MTB Grips - Purple - 135mm, Purple
  • £17.95
  • RRP £21.00
  • Saving you £15

DMR Brendog Death Grip MTB GripsThese grips are the result of a collaboration between DMR Bikes and Brendog (Brendan Fairclough). By combining an ergonomic mountain bike grip with a waffle section for better hold and a mushroomed thumb area, DMR's Brendog Death Grip MTB Grips are an excellent all-round grip for all-mountain, enduro and downhill riding.Features:  Grip Type: MTB  Knurl pattern makes for the best all-weather surface for your palm  The waffle section provides additional grip at the frontMushroomed thumb area is really soft and malleableA tough closed end to protect your barsInner grip area is flanged to provide hand security  Pair of two grips    Weight: 100g (pair)Buy DMR Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Fox Suspension 36 Float NA2 MTB Fork Rebuild Seal Kit - Black, Black
  • £17.95

Fox Suspension 36 Float NA2 Rebuild Seal KitReducing friction and improving the overall performance of your Fox 36 Float NA2 air spring, this pack of seals is the perfect spare or replacement kit for front suspension maintenance. Easy to install, this durable seal prevents moisture getting into your tubes and enhances the longevity of your forks. Features: Compatibility: Fox 36 Float NA2 Manufacturer: Genuine Fox seal kitManufacturer Part Numbers: Black n/a n/a: 803-01-226Buy Fox Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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GripGrab Classic Low Cut Sock 3PACK SS21 - Black - M}, Black
  • £17.96
  • RRP £23.95
  • Saving you £25

GripGrab Classic Low Cut Socks (3-Pack)Wonderfully light and highly breathable, the GripGrab Classic Low Cut Socks are brilliant for a summer of cycling. Or even wear them to the gym, for walking or when running. Thanks to their lightweight and highly breathable Coolmax® construction, the Classic Low Cut Socks excel as temperatures rise. Open mesh zones enhance moisture-management and the low cuff height, sitting just below the ankle, ensures your lower legs remain cool and comfortable. This three-pack offers great value and makes for easy laundry rotation.Features:Materials: 42% Acrylic, 26% Polyamide, 25% Polyester, 5% Cotton, 2% PolyurethaneCoolmax® meshStretch arch supportOpen mesh zones for breathabilityMoisture-wickingPack of 3 pairsBuy GribGrab from Chain Reaction Cycles, the World's Largest Online Bike Store.

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GripGrab Classic Low Cut Sock 3PACK SS21 - Black - S}, Black
  • £17.96
  • RRP £23.95
  • Saving you £25

GripGrab Classic Low Cut Socks (3-Pack)Wonderfully light and highly breathable, the GripGrab Classic Low Cut Socks are brilliant for a summer of cycling. Or even wear them to the gym, for walking or when running. Thanks to their lightweight and highly breathable Coolmax® construction, the Classic Low Cut Socks excel as temperatures rise. Open mesh zones enhance moisture-management and the low cuff height, sitting just below the ankle, ensures your lower legs remain cool and comfortable. This three-pack offers great value and makes for easy laundry rotation.Features:Materials: 42% Acrylic, 26% Polyamide, 25% Polyester, 5% Cotton, 2% PolyurethaneCoolmax® meshStretch arch supportOpen mesh zones for breathabilityMoisture-wickingPack of 3 pairsBuy GribGrab from Chain Reaction Cycles, the World's Largest Online Bike Store.

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GripGrab Classic Low Cut Sock 3PACK SS21 - Black - L}, Black
  • £17.96
  • RRP £23.95
  • Saving you £25

GripGrab Classic Low Cut Socks (3-Pack)Wonderfully light and highly breathable, the GripGrab Classic Low Cut Socks are brilliant for a summer of cycling. Or even wear them to the gym, for walking or when running. Thanks to their lightweight and highly breathable Coolmax® construction, the Classic Low Cut Socks excel as temperatures rise. Open mesh zones enhance moisture-management and the low cuff height, sitting just below the ankle, ensures your lower legs remain cool and comfortable. This three-pack offers great value and makes for easy laundry rotation.Features:Materials: 42% Acrylic, 26% Polyamide, 25% Polyester, 5% Cotton, 2% PolyurethaneCoolmax® meshStretch arch supportOpen mesh zones for breathabilityMoisture-wickingPack of 3 pairsBuy GribGrab from Chain Reaction Cycles, the World's Largest Online Bike Store.

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SRAM Universal Derailleur Hanger - Black, Black
  • £17.98

SRAM Universal Derailleur HangerIf you’ve ever snapped a gear hanger in the woods you know how infuriating it can be, so SRAM brings you its pivoting Universal Derailleur Hanger (UDH), which is compatible with a wide range of bike frames and all major drivetrain brands. The pivoting design of this rear mechanism hanger rotates slightly in the event of a sudden impact, protecting your expensive shifting component. It then enables you to position your chain on to your smallest cog so you can get rolling again in no time.Features: Material: Aluminium Compatibility: Many frame brands/models and SRAM, Shimano, Box and Sunrace rear derailleurs Use: Mountain Bike (MTB), electric mountain bike (E-MTB) Protects against chain jams Improves shifting performance Guarantees better alignment Consolidates thousands of mountain bike derailleur standards Offers unparalleled derailleur protection and perfect alignment Rotates rearward on impact and features the ability to “re-rail” the chain back onto the small cog Part Number: AC-DRHG-MTB-A1Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Altus HG31 8 Speed MTB Cassette - Black - 11-32t}, Black
  • £17.98
  • RRP £20.99
  • Saving you £14

Shimano Altus HG31 8 Speed MTB CassetteEnjoy a smooth and reliable performance, no matter what challenge you meet on the trail, thanks to this mountain bike (MTB) cassette from Shimano. Benefiting from a wide cassette ratio of 11-32 Teeth (T) for low gear results and a wide variety of gear choices, this cassette from Shimano features a HyperGlide (HG) sprocket design for fast and smooth shifting that won't let you down. Features:Use: Mountain Bike (MTB)Cassette Ratio: 11-32TSpeed: 8 SpeedHyperGlide Sprocket Design: Special 8-speed HG Sprocket design ensures fast and positive shiftingChain Compatibility: 3/32”Weight: 315gA 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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Shimano Altus HG31 8 Speed MTB Cassette - Black - 11-34t}, Black
  • £17.98
  • RRP £20.99
  • Saving you £14

Shimano Altus HG31 8 Speed MTB CassetteEnjoy a smooth and reliable performance, no matter what challenge you meet on the trail, thanks to this mountain bike (MTB) cassette from Shimano. Benefiting from a wide cassette ratio of 11-32 Teeth (T) for low gear results and a wide variety of gear choices, this cassette from Shimano features a HyperGlide (HG) sprocket design for fast and smooth shifting that won't let you down. Features:Use: Mountain Bike (MTB)Cassette Ratio: 11-32TSpeed: 8 SpeedHyperGlide Sprocket Design: Special 8-speed HG Sprocket design ensures fast and positive shiftingChain Compatibility: 3/32”Weight: 315gA 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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Shimano UN300 British Thread Bottom Bracket - Silver - 68mm, Silver
  • £17.99
  • RRP £23.99
  • Saving you £25

Shimano UN300 British Thread Bottom BracketThis MTB bottom bracket is specifically designed for traditional chainsets and it is available in many different size options to select. It features a durable and hard-wearing sealed cartridge with a square tapered spindle fitting. Shimano has also equipped this version with maintenance-free sealed cartridge bearings, which keep out mud, dirt and water for a longer bearing life.Features: Use: MTB Axle Length: Multiple options available to select Axle Size: Multiple options available to select Thread: British Compatibility: Traditional chainsets Bearings: Sealed cartridge Spindle Fitting: Square taperedTechnologies: Narrow Body: Narrow body allows clearance for cable routing under the bottom bracket. Sealed Cartridge Bearings: Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting. Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life. A 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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Shimano UN300 British Thread Bottom Bracket - Silver - 73mm, Silver
  • £17.99
  • RRP £23.99
  • Saving you £25

Shimano UN300 British Thread Bottom BracketThis MTB bottom bracket is specifically designed for traditional chainsets and it is available in many different size options to select. It features a durable and hard-wearing sealed cartridge with a square tapered spindle fitting. Shimano has also equipped this version with maintenance-free sealed cartridge bearings, which keep out mud, dirt and water for a longer bearing life.Features: Use: MTB Axle Length: Multiple options available to select Axle Size: Multiple options available to select Thread: British Compatibility: Traditional chainsets Bearings: Sealed cartridge Spindle Fitting: Square taperedTechnologies: Narrow Body: Narrow body allows clearance for cable routing under the bottom bracket. Sealed Cartridge Bearings: Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting. Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life. A 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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Shimano Acera M395 Disc Brake - White - 1250mm 160PS, White
  • £17.99
  • RRP £29.99
  • Saving you £40

Shimano Acera M395 Disc BrakeThe brilliant Shimano Acera M395 Disc Brake is ideal for mountain bike (MTB) use as it offers fast and reliable stopping power and modulation wherever the forest leads you. Built for rough rides, this superb model features an immensely tough aluminium construction which makes it more than capable of handling all the havoc that comes with unruly off-road adventures. Easy to grab onto during fast trail sections, this awesome version is equipped with a two-finger lever which is simple to pull as you blast across the woodland.Adjustable MTB Disc BrakeKeeping you in control, this stunning model is kitted out with an adjustable lever reach. This means you can easily tweak the gap between its lever and your handlebar to match your hand size, riding style and the terrain conditions. By giving you the freedom to set it up to your exact specifications, you'll enjoy effortless, precise braking as you carve you weave around the mountain.Features: Material: Aluminium Use: MTB Lever Size: 2-finger Mineral: Shimano mineral oil Adjustment: Reach adjust Caliper Mount Type: Post mount Brake rotor sold separately Sold individually Weight: 320g (approx.)A 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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Race Face Half Nelson Lock On Grips - Turquoise - 134mm}, Turquoise
  • £17.99
  • RRP £19.95
  • Saving you £10

Race Face Half Nelson Lock On GripsThis super tacky lock-on pair of grips has a thin grip design. The Race Face Half Nelsons are one of the lightest grips on the market and are constructed of a soft and durable compound that increases the longevity of the grips.Features: Material: Proprietary Race Face rubber compound Use: Cross-country, all-mountain, downhill Locking System: Single lock-on  For Bar Diameter: 22.2mm Length: 134mm(Including lock ring) Diameter: 29mm Bar Ends: Included Contents: 2x grips, 2x lock-on ring, 2x bar ends Super slim low-profile design Lightweight (24g lighter than Race Face Sniper lock-on pair) Employs Race Face's soft and durable super tacky compound RaceFace MX style half waffle for added grip security compound Topographic moisture channels Pair of grips Weight: 92.5gBuy Race Face Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Race Face Half Nelson Lock On Grips - Red - 134mm}, Red
  • £17.99
  • RRP £19.95
  • Saving you £10

Race Face Half Nelson Lock On GripsThis super tacky lock-on pair of grips has a thin grip design. The Race Face Half Nelsons are one of the lightest grips on the market and are constructed of a soft and durable compound that increases the longevity of the grips.Features: Material: Proprietary Race Face rubber compound Use: Cross-country, all-mountain, downhill Locking System: Single lock-on  For Bar Diameter: 22.2mm Length: 134mm(Including lock ring) Diameter: 29mm Bar Ends: Included Contents: 2x grips, 2x lock-on ring, 2x bar ends Super slim low-profile design Lightweight (24g lighter than Race Face Sniper lock-on pair) Employs Race Face's soft and durable super tacky compound RaceFace MX style half waffle for added grip security compound Topographic moisture channels Pair of grips Weight: 92.5gBuy Race Face Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Race Face Chester 35mm Riser Bars - Black - 35.0mm, Black
  • £17.99
  • RRP £36.95
  • Saving you £51

Race Face Chester 35mm Riser Mountain Bike BarsConstructed from triple-butted 6061 aluminium that’s cold drawn and with a shot peen finish, Raceface has built its trail-ready Chester 35mm bars for the harshest terrains. These tough riser handlebars bring you the strength and rigidity you need for taking on the most challenging downhill, enduro and freeride trails. The bar’s stiffness and durability are further enhanced by adopting the larger 35mm stem clamp standard, giving you precise handling and extra toughness against impacts.Features: Material: Cold drawn, seamless 6061 Aluminium Backsweep: 8° Upsweep: 5° Rise: Various options available Stem Clamp Area Size: 35mm (only compatible with stems with 35mm clamp size) Brake Shifter Clamp Size: Standard 22.2mm size Use: All-Mountain, Downhill, Freeride 35 optimised triple butted design for an optimal strength to weight ratio Wider construction & re-designed taper offers more control & increased stiffness Shot peened for high impact strength & fatigue resistance Weight: 400gBuy Raceface Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Alfine S500 Cassette Joint + Fitting Kit - Black - 8 Speed}, Black
  • £17.99
  • RRP £19.99
  • Saving you £10

Shimano Alfine Cassette Joint & Fitting Kit S500Shimano have been producing bike components since 1921. Over the years they have designed and developed some of the best MTB hubs and spares ever seen.Features:Vertical and horizontal drop outCap nuts and CJ-8S20 cassette joint unit Alfine shifter and sprocket not includedA 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Birzman Light-Er Chain Rivet Tool - Silver, Silver
  • £17.99

Birzman Light-Er Chain Rivet ToolThe Birzman Light-Er Chain Rivet Extractor is the ideal ride companion due to its lightweight and compact size.The Birzman Light-Er Chain Rivet Extractor is a lightweight essential with a touch of a class. Ideal for anyone to put in their pack whilst out riding if disaster strikes or at home for routine maintenance and servicing.Features: Compatible with 9,10 and 11-Speed Chains Varnished wooden handle for grip and comfort Weight: 81gBuy Birzman Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.

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