Bike Drivetrain

Power every pedal stroke with our extensive Bike Drivetrain range - everything you need to get smooth, efficient, and reliable performance out of your bike. From lightweight chains and high‑grade cassettes to cranksets, bottom brackets, derailleurs, chainrings and full groupsets, our components are built to last and tuned for precision....

Power every pedal stroke with our extensive Bike Drivetrain range - everything you need to get smooth, efficient, and reliable performance out of your bike. From lightweight chains and high‑grade cassettes to cranksets, bottom brackets, derailleurs, chainrings and full groupsets, our components are built to last and tuned for precision.

Whether you’re maintaining your commuter, upgrading your road rig, or fine‑tuning your mountain beast, find the right part by brand, compatibility, speed, material, or budget. Enjoy expert product support, genuine parts and easy returns. Keep your drive clean, crisp & chain‑perfect.

Bottom Brackets

Bottom Brackets
Cables

Cables
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Cassettes
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Chain Rings
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Chains
Chain Devices

Chain Devices
Front Mech

Front Mech
Groupsets

Groupsets
Rear Mech

Rear Mech
Cranks

Cranks
Hangers

Hangers
Powermeters

Powermeters
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Rear Shocks
Track Sprockets

Track Sprockets
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Freewheels
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  • Sram Chain Device - Single Impact/Bash Guard Kit For Xx D1 (Including 1 Impact/Bash Guard, 2 Guard Bolts)

    Sram Chain Device - Single Impact/Bash Guard Kit For Xx D1 (Including 1 Impact/Bash Guard, 2 Guard Bolts)

    Sram: Use only SRAM parts with SRAM components. Installation of parts and accessories not originally intended could result in less than optimal performance and/or injury. For in-depth service information on SRAM products, refer to our website at www.sram.com/service. SPECIFICATIONSSpares Category: GUARD
    £35.67
    £41.00
    £35.67
    Save £5.33
  • Specialites TA Chain Ring - 96pcd One MTB Narrow/WideSpecialites TA Chain Ring - 96pcd One MTB Narrow/Wide

    Specialites TA Chain Ring - 96pcd One MTB Narrow/Wide - Black

    Chainring specifically designed to meet the needs of a single ring MTB setup. Can be used on a double/triple chainset to convert to a 1x10, 1x 11 or 1x12 speed system. The special narrow/wide tooth shape enables the chain to stay in place without...
    £53.93
    £61.99
    £53.93
    Save £8.06
    • Black
  • Sram Chain Device - Single Impact/Bash Guard Kit For X0 D1 (Including 1 Impact Guard, 2 Backplates, 2 Guard Bolts)

    Sram Chain Device - Single Impact/Bash Guard Kit For X0 D1 (Including 1 Impact Guard, 2 Backplates, 2 Guard Bolts)

    Sram: Use only SRAM parts with SRAM components. Installation of parts and accessories not originally intended could result in less than optimal performance and/or injury. For in-depth service information on SRAM products, refer to our website at www.sram.com/service. SPECIFICATIONSSpares Category: GUARD
    £14.00
    £14.00
  • Specialites TA Chain Ring - 74pcd 5 Arm 8/9/10X InnersSpecialites TA Chain Ring - 74pcd 5 Arm 8/9/10X Inners

    Specialites TA Chain Ring - 74pcd 5 Arm 8/9/10X Inners - Silver

    TA only make their chainrings from the best 7075 T6 heat treated aluminium sheet. The teeth are cut in the traditional manner on a lathe which produces a much better and more accurate tooth form than pressing which is used by most chainring manufacturers....
    £28.99
    £28.99
    • Silver
    • Black
  • Specialites TA Chain Ring - 64pcd 4 Arm 8/9x ChainringsSpecialites TA Chain Ring - 64pcd 4 Arm 8/9x Chainrings

    Specialites TA Chain Ring - 64pcd 4 Arm 8/9x Chainrings - Silver

    The Chinook range was changed to cater for far reaching technical gear system developments. The new generation middle rings have two pairs of shortened teeth to assist down-shifting. * Compatible 9 speed * Inner: 22, 24, 26, 28 ,30t, * Colours : Silver or...
    £26.99
    £26.99
    • Silver
    • Black
  • Specialites TA Chain Ring - 144pcd 1/8" Full-TrackSpecialites TA Chain Ring - 144pcd 1/8" Full-Track

    Specialites TA Chain Ring - 144pcd 1/8" Full-Track - Black

    The Full-Track chainring, CNC machined for light weight, black anodised and laser engraved. 144 pcd 1/8" chainring will fit most modern track cranks. * Sizes: 46-52T. * Fitment: 144pcd * Weight: 80g (46T)
    £50.45
    £57.99
    £50.45
    Save £7.54
    • Black
  • Specialites TA Chain Ring - 144pcd 1/8" Shimano/CampagnoloSpecialites TA Chain Ring - 144pcd 1/8" Shimano/Campagnolo

    Specialites TA Chain Ring - 144pcd 1/8" Shimano/Campagnolo - Silver

    Shimano and Campagnolo track. For 1/8" (3.17mm) track chain. * Material : 7075 T6 aluminium. * PCD : 144mm. * Sizes : 44 to 52 teeth. * Colour : silver.
    £38.27
    £43.99
    £38.27
    Save £5.72
    • Silver
  • Specialites TA Chain Ring - 130pcd Hegoa 10/11XSpecialites TA Chain Ring - 130pcd Hegoa 10/11X

    Specialites TA Chain Ring - 130pcd Hegoa 10/11X - Black

    Evolution of Hegoa range 100% compatibility with transmissions 10/11 speeds. * Material: aluminium 7075 T6 * Compatibility: 10/11 speeds * Spacing: 130 mm * Inner: 38, 39 and 42 teeth * Outer: 50, 52 and 53 teeth * Colour: Black
    from £33.05
    £37.99
    from £33.05
    Save £4.94
    • Black
  • Specialites TA Chain Ring - 110pcd Zephyr 8/9/10/11X 5 Arm InnerSpecialites TA Chain Ring - 110pcd Zephyr 8/9/10/11X 5 Arm Inner

    Specialites TA Chain Ring - 110pcd Zephyr 8/9/10/11X 5 Arm Inner - Silver

    TA only make their chainrings from the best 7075 T6 heat treated aluminium. The teeth are cut in the traditional manner on a lathe which produces a much better and more accurate tooth form than pressing which is used by most chainring manufacturers. Features:...
    from £26.09
    £29.99
    from £26.09
    Save £3.90
    • Silver
    • Black
  • Specialites TA Chain Ring - 110pcd Syrius 10/11XSpecialites TA Chain Ring - 110pcd Syrius 10/11X

    Specialites TA Chain Ring - 110pcd Syrius 10/11X - Black

    Evolution of the Syrius range 100% compatibility with 10/11 speed transmissions. * Material: aluminium 7075 T6 * Compatibility: 10/11 speed * Spacing: 110 mm * Inner: 34, 36, 38 teeth * Outer: 46, 48, 50, 52 teeth * Colour: Black
    from £37.40
    £42.99
    from £37.40
    Save £5.59
    • Black
  • Specialites TA Chain Ring - 104pcd One MTB Narrow/WideSpecialites TA Chain Ring - 104pcd One MTB Narrow/Wide

    Specialites TA Chain Ring - 104pcd One MTB Narrow/Wide - Black

    Chainring specially designed to meet the needs of a 1x10 - 1x11 or 1x12 MTB single chainrings. The special narrow/wide tooth shape enables the chain to stay in place without the use of a chain guide * Compatible with either 10x, 11x or 12x...
    £50.45
    £57.99
    £50.45
    Save £7.54
    • Black
  • Specialites TA Chain Ring - 104pcd Chinook 8/9X 4-Arm Outer ChainringsSpecialites TA Chain Ring - 104pcd Chinook 8/9X 4-Arm Outer Chainrings

    Specialites TA Chain Ring - 104pcd Chinook 8/9X 4-Arm Outer Chainrings - Black

    The Chinook 104 range was changed in 2008 to cater for far reaching technical gear system developments. The new generation middle rings have two pairs of shortened teeth to assist down-shifting. * PCD: 104mm. * Compatible 9 speed * Colours : Silver or black....
    £40.88
    £46.99
    £40.88
    Save £6.11
    • Black
  • Specialites TA Chain Ring - 104pcd Chinook 4 Arm Middle ChainringsSpecialites TA Chain Ring - 104pcd Chinook 4 Arm Middle Chainrings

    Specialites TA Chain Ring - 104pcd Chinook 4 Arm Middle Chainrings - Black

    The Chinook 104 range was changed to cater for far reaching technical gear system developments. The new generation middle rings have two pairs of shortened teeth to assist down-shifting. * PCD : 58/104mm. * Compatible 8/9 speed * middle : 32, 34, 36, 38,...
    £34.79
    £39.99
    £34.79
    Save £5.20
    • Silver
    • Black
  • Specialites TA Chain Ring - 104/64pcd Chinook 4 Arm 10/11x ChainringsSpecialites TA Chain Ring - 104/64pcd Chinook 4 Arm 10/11x Chainrings

    Specialites TA Chain Ring - 104/64pcd Chinook 4 Arm 10/11x Chainrings - Black

    The quality of gear shifting is very high, thanks to ramps added on the outer chainring. CNC machined chainrings compatible with 10 or 11 speed MTB. * Material: 7075 T6 aluminium * Inner/Middle/Outer: 64pcd/104pcd/18/23mm wide arm * Weight: 65g (Outer 42t) **Please note** there...
    from £21.99
    £44.99
    from £21.99
    Save £23.00
    • Black
  • SKS Spares & Accesories - Chainbow ChainguardSKS Spares & Accesories - Chainbow Chainguard

    SKS Spares & Accesories - Chainbow Chainguard - Black

    SKS: The aluminium and plastic CHAINBOW fully encases the chainset for superior protection.CHAINBOW BLACK 38 TEETH (SKCBW38B) This version is suitable for hub gears, with a maximum chainring diameter of 158mm, maximum 38 teeth.CHAINBOW BLACK 44 TEETH (SKCBW44B) This version is suitable for hub...
    £30.00
    £30.00
    • Black
  • Shimano Track Sprockets - Spare Dura-Ace 7600 Track Sprocket 1/8Shimano Track Sprockets - Spare Dura-Ace 7600 Track Sprocket 1/8

    Shimano Track Sprockets - Spare Dura-Ace 7600 Track Sprocket 1/8 - Silver

    Hard-wearing chrome-moly single sprocket Accurately machined to run straight and true, ensuring an even tension in the chain Engineered to complement Dura-Ace track hubs
    £24.99
    £24.99
    • Silver
  • Shimano Road Shifters - ST-R9270 Dura-Ace hydraulic Di2 STI for drop bar without E-tube wiresShimano Road Shifters - ST-R9270 Dura-Ace hydraulic Di2 STI for drop bar without E-tube wires

      Shimano Road Shifters - ST-R9270 Dura-Ace hydraulic Di2 STI for drop bar without E-tube wires - Black

      Top of the range, high performance Dura-Ace wireless hydraulic Servo Wave disc brake Di2 STI's give you control, modulation and power with minimal effort in all riding conditions With Di2 technology shifting is easy and precise - just a light touch, as soft as...
      £361.19
      £429.99
      £361.19
      Save £68.80
      • Black
    • Shimano Road Shifters - ST-R9250 Dura-Ace Di2 STI for drop bar without E-tube wires, left handShimano Road Shifters - ST-R9250 Dura-Ace Di2 STI for drop bar without E-tube wires, left hand

        Shimano Road Shifters - ST-R9250 Dura-Ace Di2 STI for drop bar without E-tube wires, left hand - Black

        With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear Simply pressing tactile buttons allows effortless and comfortable shifting even when...
        from £293.99
        £349.99
        from £293.99
        Save £56.00
        • Black
      • Shimano Road Shifters - ST-R8150 Ultegra Di2 STI for drop bar without E-tube wiresShimano Road Shifters - ST-R8150 Ultegra Di2 STI for drop bar without E-tube wires

          Shimano Road Shifters - ST-R8150 Ultegra Di2 STI for drop bar without E-tube wires - Black

          With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear Full and semi synchronized shifting programable, Synchro shift compatible meaning a...
          from £167.99
          £199.99
          from £167.99
          Save £32.00
          • Black
        • Shimano Road Shifters - ST-R7120 105hydraulic / mechanical STI leverShimano Road Shifters - ST-R7120 105hydraulic / mechanical STI lever

            Shimano Road Shifters - ST-R7120 105hydraulic / mechanical STI lever - Black

            Slim ergonomically designed 105 Dual Control Levers for smaller hands with hydraulic disc brakes offer powerful braking and effortless 12-speed shifting Lever blade has been shaped to reduce reach for riders with smaller hands Ergonomic short shift arc follows natural hand movement with inward...
            £151.19
            £179.99
            £151.19
            Save £28.80
            • Black
          • Shimano Road Shifters - ST-R7120 105 hydraulic disc STI set, flat mount calliperShimano Road Shifters - ST-R7120 105 hydraulic disc STI set, flat mount calliper

              Shimano Road Shifters - ST-R7120 105 hydraulic disc STI set, flat mount calliper - Black

              Slim ergonomically designed 105 Dual Control Levers for hydraulic disc brakes offer powerful braking and effortless 12-speed shifting Ergonomic short shift arc follows natural hand movement with inward shift stroke distance reduced for rapid and precise gear changes Hydraulic brake lever provides powerful, controllable...
              £235.19
              £279.99
              £235.19
              Save £44.80
              • Black
            • Shimano Road Shifters - ST-R9180 hydraulic disc, Di2 E-tube STI TT set, flat mount BR-R9270Shimano Road Shifters - ST-R9180 hydraulic disc, Di2 E-tube STI TT set, flat mount BR-R9270

                Shimano Road Shifters - ST-R9180 hydraulic disc, Di2 E-tube STI TT set, flat mount BR-R9270 - Black

                Top of the range, high performance Dura-Ace hydraulic disc brake Di2 TT STI's give you control, modulation and power with minimal effort in all riding conditions With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse...
                £386.39
                £459.99
                £386.39
                Save £73.60
                • Black
              • Shimano Road Shifters - ST-R8060 Ultegra Di2, STI for TT / TriathlonShimano Road Shifters - ST-R8060 Ultegra Di2, STI for TT / Triathlon

                  Shimano Road Shifters - ST-R8060 Ultegra Di2, STI for TT / Triathlon - Grey

                  With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear The removal of traditional mechanical cables in favour of electrical wires...
                  from £134.39
                  £159.99
                  from £134.39
                  Save £25.60
                  • Grey
                • Shimano Road Shifters - ST-R7025 105 double hydraulic / mechanical STI lever (Small Hands Version)Shimano Road Shifters - ST-R7025 105 double hydraulic / mechanical STI lever (Small Hands Version)

                    Shimano Road Shifters - ST-R7025 105 double hydraulic / mechanical STI lever (Small Hands Version) - Black

                    Slim ergonomically designed 105 Dual Control Levers for smaller hands with hydraulic disc brakes offer powerful braking and effortless 11-speed shifting Lever blade has been shaped to reduce reach for riders with smaller hands Ergonomic short shift arc follows natural hand movement with inward...
                    £155.39
                    £184.99
                    £155.39
                    Save £29.60
                    • Black
                  • Shimano Road Shifters - ST-R7020 105 hydraulic disc STI set, flat mount calliperShimano Road Shifters - ST-R7020 105 hydraulic disc STI set, flat mount calliper

                      Shimano Road Shifters - ST-R7020 105 hydraulic disc STI set, flat mount calliper - Black

                      Slim ergonomically designed 105 Dual Control Levers for hydraulic disc brakes offer powerful braking and effortless 11-speed shifting Ergonomic short shift arc follows natural hand movement with inward shift stroke distance reduced for rapid and precise gear changes Hydraulic brake lever provides powerful, controllable...
                      £243.59
                      £279.99
                      £243.59
                      Save £36.40
                      • Black
                    • Shimano Road Shifters - ST-R7020 105 double hydraulic / mechanical STI leverShimano Road Shifters - ST-R7020 105 double hydraulic / mechanical STI lever

                        Shimano Road Shifters - ST-R7020 105 double hydraulic / mechanical STI lever - Black

                        Slim ergonomically designed 105 Dual Control Levers for smaller hands with hydraulic disc brakes offer powerful braking and effortless 11-speed shifting Lever blade has been shaped to reduce reach for riders with smaller hands Ergonomic short shift arc follows natural hand movement with inward...
                        £155.39
                        £184.99
                        £155.39
                        Save £29.60
                        • Black
                      • Shimano Road Shifters - SL-R3000 sora shift levers for flat barShimano Road Shifters - SL-R3000 sora shift levers for flat bar

                          Shimano Road Shifters - SL-R3000 sora shift levers for flat bar - Grey

                          Road bike performance with flat handlebars - these MTB-style shifters offer fast and accurate gear changes at the touch of a lever Triple chainset compatible Clearly visible optical gear display For use with Mega9 precision 9-speed drivetrains
                          £90.71
                          £107.99
                          £90.71
                          Save £17.28
                          • Grey
                        • Shimano MTB Shifters - SL-M7000 SLX shift lever, I-spec-II direct attach mountShimano MTB Shifters - SL-M7000 SLX shift lever, I-spec-II direct attach mount

                            Shimano MTB Shifters - SL-M7000 SLX shift lever, I-spec-II direct attach mount - Black

                            Tough, aggressive and light weight Dyna-Sys11 11-speed SLX Rapidfire shift levers with Vivid indexing and 2-way release function Light to the touch but positive and crisp, Vivid indexing provides a constant amount of shift lever force across all 11 sprockets 2-way release allows shifting...
                            £35.27
                            £41.99
                            £35.27
                            Save £6.72
                            • Black
                          • Shimano MTB Shifters - SL-M7000 SLX shift lever, band-onShimano MTB Shifters - SL-M7000 SLX shift lever, band-on

                              Shimano MTB Shifters - SL-M7000 SLX shift lever, band-on - Black

                              Tough, aggressive and light weight Dyna-Sys11 11-speed SLX Rapidfire shift levers with Vivid indexing and 2-way release function Light to the touch but positive and crisp, Vivid indexing provides a constant amount of shift lever force across all 11 sprockets 2-way release allows shifting...
                              £35.27
                              £41.99
                              £35.27
                              Save £6.72
                              • Black
                            • Shimano MTB Shifters - SL-RS700 Band-on flat bar shift leverShimano MTB Shifters - SL-RS700 Band-on flat bar shift lever

                                Shimano MTB Shifters - SL-RS700 Band-on flat bar shift lever - Black

                                The RS700 Rapidfire Shifters are precise mountain bike style lever for road bikes fitted with flat handlebars and 11-speed drivetrains Instant Release for super fast shifts, delivering the chain to the next gear the moment the lever is actuated with no hesitation Band-on mounting...
                                £57.11
                                £67.99
                                £57.11
                                Save £10.88
                                • Black
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