Chainsets

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Bolt on a new chainset - the chainrings, and the crank arms which turn them - to improve your drivetrain performance. Chainsets and cranks are increasingly specialised and, depending on which one you choose, can save weight, improve power transfer through increased stiffness, or just be plain stronger. For mountain bikes, there are the ever-popular Shimano models, alongside Raceface and FSA, so you can choose the right model for your type of riding. For roadies, there's have double chainsets - compact versions for sportive riders, and standard for racers - and triple chainsets for those wanting a wider variety of gears. There are special chainsets for single-speed bikes as well.

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Search found 653 Chainsets

Shimano Tourney FCA073 7/8-Speed Chainset - Triple - 170mm
  • £55.99
  • RRP £79.99
  • Saving you £30

Great value Tourney road chainset, perfect for riders who are taking there first steps into cycling. The tourney range features the fantastic ride quality and durability of the more expensive options but at a lower more wallet friendly price tag. The SG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shifting across the range of gears.The chainrings are manufactured from hard wearing steel to provide optimum durability, while the crank arms themselves are crafted from lightweight aluminium to help keep the overall weight to a minimum.Crank Construction: 2-Piece Solid Crank ConstructionChainring Sets: 50-39-30TSquare tapered bottom bracket not included

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Shimano M5100 Deore 10-11 Speed Single Chainset - Black - 32t}, Black
  • £56.99
  • RRP £69.99
  • Saving you £19

Shimano M5100 Deore 10/11 Speed Single ChainsetReady to heighten your mountain biking confidence, this crankset offers fast acceleration and smooth performance as you explore the mountains. It features a rock-solid forged alloy crank arm construction, which gives it incredible strength as you take on every challenge. Shimano has also equipped this version with a HollowTech II integrated bottom bracket, so you can benefit from its increased stiffness, efficiency and additional durability. Features: Crank Arm Material: Forged Alloy Use: MTB Speed: 10/11 speed Design: 2-piece design Crank Arm Length: Multiple sizes available Axle Diameter: Chainline: 52mm Frame Compatibility: For use with 135 /142 mm O.L.D. frames 5 Arm or 4 Arm: 4 arm Chainring Size: Multiple sizes available Is BB Included: HollowTech II integrated bottom bracket Is Chainring Included: Yes Part Numbers: 30T 170mm: FCM5100C0; 30T 175mm: FCM5100E0; 32T 175mm: FCM5100E2; 32T 170mm: FCM5100C2Technologies: HollowTech II: HollowTech II integrated bottom bracket design uses a wide bearing placement with a large axle diameter for increased stiffness, efficiency and added durability.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 M5100 Deore 10/11 Speed Single Chainset Cranksets
  • £56.99
  • RRP £69.99
  • Saving you £19

This crankset features a durable forged alloy crank arm construction, which gives it fantastic strength as you take on every challenge. Shimano has also kitted out this version with a HollowTech II integrated bottom bracket, so you can benefit from its increased stiffness, efficiency and additional durability. Part Numbers: 30T 170mm: FCM5100C0; 30T 175mm: FCM5100E0; 32T 175mm: FCM5100E2; 32T 170mm: FCM5100C2 Technologies: HollowTech II: HollowTech II integrated bottom bracket design uses a wide bearing placement with a large axle diameter for increased stiffness, efficiency and added durability.

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Sram NX 1 GXP 175mm Chainset - 32T
  • £57.99

SRAM NX GXP Chainset 175mm x 32T The SRAM NX1 chainset provides high performance for the right price. Featuring the SRAM-engineered X-Sync™ chainring, the NX chainset is engineered for complete chain control. Each tooth's thickness is CNC machined to work seamlessly with the chain's inner and outer links. Product DetailsCrank Length: 175mmChainring Size: 32TAxle Diameter: 24mmBB Compatibility: GXPBolt Circle Diameter: 94BCDWeight: 745g

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Shimano FC-M4100 Deore 10 Speed chainset 36/26T
  • £59.99

Great value Deore M4100 2-piece design chainset for 10-speed Dyna-Sys MTB HG-X transmissionsForged crank arms rigid whilst being incredibly strong and durable,HollowTech II integrated bottom bracket design uses a wide bearing placement with a large axle diameter for increased stiffness, efficiency and added durability,SG-X chainring with patented spike pins give smooth and fast gear shifts under load,We recommend that the bottom bracket is initially installed by a bike shop to ensure perfect facing and fit,48.8 mm chain line for use with 135/142 mm O.L.D. frames,51.8 mm chain line for use with 148 mm O.L.D. frames,10-speed Dyna-Sys compatible.

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Shimano M4100 Deore 10 Speed Boost Double Chainset Cranksets
  • £59.99

This double crankset features a forged alloy crank arm construction, which makes it perfect at withstanding all the abuse that's associated with all-day epics in the mountains. Shimano has also kitted it out with a HollowTech II integrated bottom bracket for increased stiffness, efficiency as well as added durability. Item Top Features Continued: Design: 2-piece Dyna-Sys Compatible: Yes Boost Spacing: Yes Compatibility: 10 speed Dyna-Sys MTB HG-X transmissions Is BB Included: HollowTech II integrated bottom bracket Part Numbers: 170mm: FCM4100BC66; 175mm: FCM4100BE66 Technologies: HollowTech II: HollowTech II integrated bottom bracket design uses a wide bearing placement with a large axle diameter for increased stiffness, efficiency and added durability. SG-X Chainring: SG-X chainring with patented spike pins give smooth and fast gear shifts under load.  

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Shimano M4100 Deore 10 Speed Double Chainset Chainsets
  • £59.99

This MTB crankset features a tough forged alloy crank arm construction, which allows it to handle all the abuse that's associated with all-day epics in the mountains. Shimano has also kitted it out with a HollowTech II integrated bottom bracket for increased stiffness, efficiency and added durability. Item Top Features Continued: Design: 2-piece Dyna-Sys Compatible: Yes Compatibility: 10 speed Dyna-Sys MTB HG-X transmissions Is BB Included: HollowTech II integrated bottom bracket Part Numbers: 170mm: FCM4100C66; 175mm: FCM4100E66 Technologies: HollowTech II: HollowTech II integrated bottom bracket design uses a wide bearing placement with a large axle diameter for increased stiffness, efficiency and added durability. SG-X Chainring: SG-X chainring with patented spike pins give smooth and fast gear shifts under load.

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FSA Gossamer Pro ABS Chainset without BB - Black - 38t}, Black
  • £59.99
  • RRP £152.99
  • Saving you £61

FSA Gossamer Pro ABS Chainset without BBCombining a tough aluminium construction, a Megatooth chainring and eye-catching laser graphics, the FSA Gossamer Pro ABS Chainset is a perfect upgrade for smooth 1x mountain bike (MTB) performance. Well-equipped for the demands of modern trail cycling, this chainset features two cold forged aluminium crankarms that deliver a fantastic balance of strength and durability wherever your next ride takes you. Another highlight is its aluminium chainring has been put through a CNC-machining process, which shaves off any excess material while still maintaining its strength. This means you'll benefit from its dependable speed and performance without adding any unnecessary weight.Anodised Mountain Bike Chainset with Megatooth TechnologyEngineered for high-performance in all conditions, this chainset features a high polished anodised finish that offers additional protection against corrosion when pedalling in wet conditions. FSA has also kitted it out with a Megatooth chainring that's designed to meet the needs of top-level riders by using its long tooth profile to enhance chain retention. Its tooth design also features a thick/thin profile for maximum chain engagement, so you can really put the power down without worrying about dropping your chain.Not ready for carbon? The Gossamer is a high-end crankset for alloy lovers. With an impressive history of wins on the brutal cobbles of Paris-Roubaix, it needs no further introduction - yet the details shouldn’t be ignored. The cold-forged aluminium arms are heavily scalloped for the maximum strength to weight ratio and the versatile BB368EVO spindle is forged from an even stronger material. The Gossamer fits any combination of bike, rider, and riding styles.Features: Material: Crankarms: Cold Forged AL6061/T6 Aluminium; Spindle: Forged AL7050 Aluminium; Chainring: 100% CNC-machined AL7075 Aluminium; Chainring Bolts: Chromoly (CrMo) Steel; Finish: High polished Anodised with laser graphics Use: Mountain Bike (MTB) Tooth Design: Thick/Thin for maximum chain engagement Compatibility: Shimano and SRAM 10/11 speed systems Q-Factor: 145mm BCD: 110mm ABS; Chainline: 44mm Number of Chainrings: 1 Bottom Bracket Included: No, available separately Weight: 730g (Approx.)Technologies:Forged 6061 Alloy: Cold Forged 6061 arms result in a great strength-to-weight ratio at an affordable priceMegatooth Chainring: The Megatooth chainring has been developed to respond to the increasing demand of 1x11 speed cranksets, designed to meet the needs of top-level riders. The design allows the chainring to retain the chainring completely by itself. Its long tooth profile enhances chain retention, while its thick-thin tooth design offers maximum chain engagement. The Megatooth design allows you to put all of your power through without worrying about dropping your chainBuy FSA Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano M4100 Deore 10 Sp Boost Double Chainset - Black - 36.26t}, Black
  • £59.99

Shimano M4100 Deore 10 Sp Boost Double ChainsetEngineered for maximum performance on every MTB adventure, this double Boost crankset gives you fast acceleration and control on the toughest of rides. It features a hard-wearing forged alloy crank arm construction, which makes it more than capable of handling all the abuse that's associated with all-day epics in the mountains. Shimano has also equipped it with a HollowTech II integrated bottom bracket for increased stiffness, efficiency and added durability.Features: Crank Arm Material: Forged Alloy Use: MTB Speed: 10 speed Number of Chainrings: 2 Chainrings Included: Yes Crank Arm Length: Multiple options available Chainline: 51.8mm Chainring BCD: For use with 148mm O.L.D. frames Chainring Tooth Count: 36/26T 5 Arm or 4 Arm: 4 arm Design: 2-piece Dyna-Sys Compatible: Yes Boost Spacing: Yes Compatibility: 10 speed Dyna-Sys MTB HG-X transmissions Is BB Included: HollowTech II integrated bottom bracketPart Numbers: 170mm: FCM4100BC66; 175mm: FCM4100BE66Technologies: HollowTech II: HollowTech II integrated bottom bracket design uses a wide bearing placement with a large axle diameter for increased stiffness, efficiency and added durability. SG-X Chainring: SG-X chainring with patented spike pins give smooth and fast gear shifts under load. 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 FC-A070 Square Taper 7/8-Speed Double Chainset
  • £59.99
  • RRP £69.99
  • Saving you £14

Great value Tourney road chainset, perfect for riders who are taking there first steps into cycling. The tourney range features the fantastic ride quality and durability of the more expensive options but at a lower more wallet-friendly price tag.The SG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shifting across the range of gears. The chainrings are manufactured from hard wearing steel to provide optimum durability, while the crank arms themselves are crafted from lightweight aluminium to help keep the overall weight to a minimum.Key Features:Crank construction: 2-piece solid crank construction,Chain compatibility: HG For 7/8-Speed (CN-HG40),Chainring sets: 50-34T,Bolt circle diameter: Riveted,Crank arm length: 170mm,Bottom bracket: BB-UN26,Chain Line: 43.5mm,Square tapered bottom bracket not included.

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Shimano Deore M6000 175mm 36-26T Chainset
  • £59.99

Deore M6000 2x10 Chainset 175mm 36/26t

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SRAM NX Eagle DUB 12 Speed Chainset - 32T x 175mm
  • £59.99
  • RRP £115.00
  • Saving you £48

Bringing all the power and performance expected from a SRAM crankset, this 12-speed Eagle DUB model provides superb rotation and control as from its lightweight and durable aluminium build as you rock off-road and push for the podium.

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