MTB Cranks

Your mountain bike’s crankset is where your power meets the pedals. It’s a fundamental part of your drivetrain, converting each pedal stroke into forward motion. At Swinnerton Cycles, our MTB Cranks collection is dedicated to high‑quality cranksets built for durability, precision and performance on trails, technical terrain, steep climbs and...

Your mountain bike’s crankset is where your power meets the pedals. It’s a fundamental part of your drivetrain, converting each pedal stroke into forward motion. At Swinnerton Cycles, our MTB Cranks collection is dedicated to high‑quality cranksets built for durability, precision and performance on trails, technical terrain, steep climbs and fast descents. Whether you're chasing lightness, stiffness, or the best gear range, we have something to suit your ride style and terrain.

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  • Sram Crank Arm Assembly X0 Isis Self Extracting Bolt - For Pedal Assist (Crank Cap/Chainring/Bb Not Included) 2023Sram Crank Arm Assembly X0 Isis Self Extracting Bolt - For Pedal Assist (Crank Cap/Chainring/Bb Not Included) 2023

      Sram Crank Arm Assembly X0 Isis Self Extracting Bolt - For Pedal Assist (Crank Cap/Chainring/Bb Not Included) 2023 - Black

      Sram: A striking visual departure without any compromises, the X0 Eagle E-MTB crankset is the most advanced aluminum crankset SRAM has ever produced. The eye-catching all-aluminum design utilizes a perfectly balanced stiffness-to-weight ratio. The X0 Eagle E-MTB Crankset and X0 Eagle Transmission (T-Type) direct...
      £139.20
      £160.00
      £139.20
      Save £20.80
      • Black
    • Sram Crank Arm Assembly Eagle 90 Isis Black M15 Self Extracting Bolt Bosch Crank CapSram Crank Arm Assembly Eagle 90 Isis Black M15 Self Extracting Bolt Bosch Crank Cap

        Sram Crank Arm Assembly Eagle 90 Isis Black M15 Self Extracting Bolt Bosch Crank Cap - Black

        Sram: The Eagle 90 Transmission E-MTB crank is a sleek, sturdy answer to a growing demand for robust and aesthetically pleasing components. This unique design is forged from aluminum for robustness and dependability without compromising weight. Select E-MTB motors pair with our GapCap for...
        £82.65
        £95.00
        £82.65
        Save £12.35
        • Black
      • Sram Crank Arm Assembly Eagle 70 Isis Black M15 Self Extracting Bolt - For Pedal Assist (Chainring/Bb Not Included)Sram Crank Arm Assembly Eagle 70 Isis Black M15 Self Extracting Bolt - For Pedal Assist (Chainring/Bb Not Included)

          Sram Crank Arm Assembly Eagle 70 Isis Black M15 Self Extracting Bolt - For Pedal Assist (Chainring/Bb Not Included)

          Sram: The Eagle 70 Transmission E-MTB crank is a sleek, sturdy answer to a growing demand for robust and aesthetically pleasing components. Featuring an ISIS spindle interface for broad compatibility. Available in 160mm, 165mm, 170mm E-MTB lengths. ISIS spindle interface compatibility. Speeds n/a BB Compatibility...
          £73.95
          £85.00
          £73.95
          Save £11.05
        • Shimano FC-M9200 XTR crank set without ring, 55mm chain line, 12-speedShimano FC-M9200 XTR crank set without ring, 55mm chain line, 12-speed

            Shimano Fc-M9200 Xtr Crank Set Without Ring 55Mm Chain Line 12-Speed - Grey

            Class-leading XTR 12-speed crank set, integrating the bottom bracket and crank set into a strong, rigid, yet lightweight unit Direct mount chainrings are lightweight and easy to replace while providing increased rigidity Super-lightweight HollowTech II cold forged Duralumin crank arms - hollow design saves...
            £209.99
            £249.99
            £209.99
            Save £40.00
            • Grey
          • shimano fcmt510 chainset 12speed 52 mm chainlineShimano Fc-Mt510 Chainset 12-Speed 52 Mm Chainline

            Shimano Fc-Mt510 Chainset 12-Speed 52 Mm Chainline - Black

            Great value 2-piece design 12-speed chainset All-mountain crank set is tough and aggressive yet also lightweight Forged 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...
            £62.99
            £74.99
            £62.99
            Save £12.00
            • Black
          • Shimano Fc-M9125 Xtr Crank Set Without Ring 55 Mm Chain Line 12-SpeedShimano Fc-M9125 Xtr Crank Set Without Ring 55 Mm Chain Line 12-Speed

            Shimano Fc-M9125 Xtr Crank Set Without Ring 55 Mm Chain Line 12-Speed - Grey

            Class-leading XTR 12-speed crank set, integrating the bottom bracket and crank set into a strong, rigid, yet lightweight unit Direct mount chainrings are lightweight and easy to replace while providing increased rigidity, can be set up as single or double Integrated bearing preload design...
            £310.79
            £369.99
            £310.79
            Save £59.20
            • Grey
          • shimano fcm9120 xtr crank set without ring 52 mm chain line 12speedShimano Fc-M9120 Xtr Crank Set Without Ring 52 Mm Chain Line 12-Speed

            Shimano Fc-M9120 Xtr Crank Set Without Ring 52 Mm Chain Line 12-Speed - Grey

            Class-leading XTR 12-speed crank set, integrating the bottom bracket and crank set into a strong, rigid, yet lightweight unit Direct mount chainrings are lightweight and easy to replace while providing increased rigidity, can be set up as single or double Integrated bearing preload design...
            £289.79
            £344.99
            £289.79
            Save £55.20
            • Grey
          • Shimano Fc-M9100 Xtr Crank Set Without Ring 52 Mm Chain Line 12-SpeedShimano Fc-M9100 Xtr Crank Set Without Ring 52 Mm Chain Line 12-Speed

            Shimano Fc-M9100 Xtr Crank Set Without Ring 52 Mm Chain Line 12-Speed - Grey

            Class-leading XTR 12-speed crank set, integrating the bottom bracket and crank set into a strong, rigid, yet lightweight unit Direct mount chainrings are lightweight and easy to replace while providing increased rigidity, can be set up as single or double Integrated bearing preload design...
            £289.79
            £344.99
            £289.79
            Save £55.20
            • Grey
          • Shimano FC-M9100 left hand crank armShimano FC-M9100 left hand crank arm

              Shimano Fc-M9100 Left Hand Crank Arm - Black

              FC-M9100 left hand crank arm, 165 mm is product number 1 in the attached image Genuine Shimano replacement part
              £151.19
              £179.99
              £151.19
              Save £28.80
              • Black
            • Shimano Fc-M8200 Xt Crank Set Without Ring 12-Speed 55Mm ChainlineShimano Fc-M8200 Xt Crank Set Without Ring 12-Speed 55Mm Chainline

                Shimano Fc-M8200 Xt Crank Set Without Ring 12-Speed 55Mm Chainline - Black

                A high performance crankset from the classic MTB group Forged HollowTech II aluminium cranks offer unrivalled strength-to-weight ratio Lightweight construction for external super smooth bottom bracket bearings For use with 12-speed Dyna-Sys DCE single chainrings SM-CRM86 DCE direct mount chainrings are available in 28T,...
                £125.99
                £149.99
                £125.99
                Save £24.00
                • Black
              • shimano fcm8130 xt crank set without ring 12speed 565 mm chainlineShimano Fc-M8130 Xt Crank Set Without Ring 12-Speed 56.5 Mm Chainline

                Shimano Fc-M8130 Xt Crank Set Without Ring 12-Speed 56.5 Mm Chainline - Black

                A high performance crankset from the classic MTB group Forged HollowTech II aluminium cranks offer unrivalled strength-to-weight ratio Lightweight construction for external super smooth bottom bracket bearings For use with 12-speed Dyna-Sys DCE single chainrings SM-CRM85 DCE chainrings are available in 28T, 30T, 32T,...
                £125.99
                £149.99
                £125.99
                Save £24.00
                • Black
              • shimano fcm8120 xt crank set without ring 12speed 55 mm chainlineShimano Fc-M8120 Xt Crank Set Without Ring 12-Speed 55 Mm Chainline

                Shimano Fc-M8120 Xt Crank Set Without Ring 12-Speed 55 Mm Chainline - Black

                A high performance crankset from the classic MTB group Forged HollowTech II aluminium cranks offer unrivalled strength-to-weight ratio Lightweight construction for external super smooth bottom bracket bearings For use with 12-speed Dyna-Sys DCE single chainrings SM-CRM85 DCE chainrings are available in 28T, 30T, 32T,...
                from £40.81
                £48.58
                from £40.81
                Save £7.77
                • Black
              • Shimano FC-M8100 left hand crank arm unitShimano FC-M8100 left hand crank arm unit

                  Shimano Fc-M8100 Left Hand Crank Arm Unit - Black

                  FC-M8100 left hand crank arm unit, 165 mm is product number 2 in the attached image Genuine Shimano replacement part
                  £58.79
                  £69.99
                  £58.79
                  Save £11.20
                  • Black
                • Shimano Fc-M6120 Deore Chainset 12-Speed 55 Mm Boost ChainlineShimano Fc-M6120 Deore Chainset 12-Speed 55 Mm Boost Chainline

                  Shimano Fc-M6120 Deore Chainset 12-Speed 55 Mm Boost Chainline - Black

                  Great value Deore M6120 2-piece design chainset for 12-speed Dyna-Sys MTB HG-X transmissions Forged crank arms rigid whilst being incredibly strong and durable Designed to be used with a HollowTech II integrated bottom bracket that uses a wide bearing placement with a large axle...
                  £83.99
                  £99.99
                  £83.99
                  Save £16.00
                  • Black
                • Shimano FC-M6100 Deore chainset, 12-speed, 56.5 mm chainlineShimano FC-M6100 Deore chainset, 12-speed, 56.5 mm chainline

                  Shimano Fc-M6100 Deore Chainset 12-Speed 56.5 Mm Chainline - Black

                  Great value Deore M6130 2-piece design chainset for 12-speed Dyna-Sys MTB HG-X transmissions Forged crank arms rigid whilst being incredibly strong and durable Designed to be used with a HollowTech II integrated bottom bracket that uses a wide bearing placement with a large axle...
                  £83.99
                  £99.99
                  £83.99
                  Save £16.00
                  • Black
                • Shimano FC-M6100 Deore chainset, 12-speed, 55 mm chainlineShimano FC-M6100 Deore chainset, 12-speed, 55 mm chainline

                  Shimano Fc-M6100 Deore Chainset 12-Speed 55 Mm Chainline - Black

                  Great value Deore M6120 2-piece design chainset for 12-speed Dyna-Sys MTB HG-X transmissions Forged crank arms rigid whilst being incredibly strong and durable Designed to be used with a HollowTech II integrated bottom bracket that uses a wide bearing placement with a large axle...
                  £83.99
                  £99.99
                  £83.99
                  Save £16.00
                  • Black
                • shimano fcm6100 deore chainset 12speed 52 mm chainlineShimano Fc-M6100 Deore Chainset 12-Speed 52 Mm Chainline

                  Shimano Fc-M6100 Deore Chainset 12-Speed 52 Mm Chainline - Black

                  Great value Deore M6100 2-piece design chainset for 12-speed Dyna-Sys MTB HG-X transmissions Forged crank arms rigid whilst being incredibly strong and durable Designed to be used with a HollowTech II integrated bottom bracket that uses a wide bearing placement with a large axle...
                  £83.99
                  £99.99
                  £83.99
                  Save £16.00
                  • Black
                • Shimano Fc-M6000 Deore 10-Speed Chainset 50 Mm Chain LineShimano Fc-M6000 Deore 10-Speed Chainset 50 Mm Chain Line

                  Shimano Fc-M6000 Deore 10-Speed Chainset 50 Mm Chain Line - Black

                  Great value Deore HollowTech II design chainset for 10-speed Dyna-Sys MTB HG-X transmissions The HollowTech II Chainset features hollow forged crank arms which are both lightweight and rigid whilst being incredibly strong and durable HollowTech II integrated bottom bracket design uses a wide bearing...
                  £104.99
                  £124.99
                  £104.99
                  Save £20.00
                  • Black
                • Shimano Fc-M5100 Deore Chainset 11-Speed 51.8 Mm Boost ChainlineShimano Fc-M5100 Deore Chainset 11-Speed 51.8 Mm Boost Chainline

                  Shimano Fc-M5100 Deore Chainset 11-Speed 51.8 Mm Boost Chainline - Black

                  Great value Deore M5100 2-piece design chainset for 11-speed MTB transmissions Forged 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...
                  £62.99
                  £74.99
                  £62.99
                  Save £12.00
                  • Black
                • Shimano Fc-M5100 Deore Chainset 11-Speed 48.8 Mm ChainlineShimano Fc-M5100 Deore Chainset 11-Speed 48.8 Mm Chainline

                  Shimano Fc-M5100 Deore Chainset 11-Speed 48.8 Mm Chainline - Black

                  Great value Deore M5100 2-piece design chainset for 11-speed MTB transmissions Forged 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...
                  £62.99
                  £74.99
                  £62.99
                  Save £12.00
                  • Black
                • Shimano Fc-M4100 Deore Chainset 10-Speed 51.8 Mm Boost ChainlineShimano Fc-M4100 Deore Chainset 10-Speed 51.8 Mm Boost Chainline

                  Shimano Fc-M4100 Deore Chainset 10-Speed 51.8 Mm Boost Chainline - Black

                  Great value Deore M4100 2-piece design chainset for 10-speed Dyna-Sys MTB HG-X transmissions Forged 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...
                  £50.39
                  £59.99
                  £50.39
                  Save £9.60
                  • Black
                • Shimano Fc-M4100 Deore Chainset 10-Speed 48.8 Mm ChainlineShimano Fc-M4100 Deore Chainset 10-Speed 48.8 Mm Chainline

                  Shimano Fc-M4100 Deore Chainset 10-Speed 48.8 Mm Chainline - Black

                  Great value Deore M4100 2-piece design chainset for 10-speed Dyna-Sys MTB HG-X transmissions Forged 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...
                  £50.39
                  £59.99
                  £50.39
                  Save £9.60
                  • Black
                • Praxis Works Ecrank Set Bosch/Yamaha Carbon CranksPraxis - eCrank Set - Bosch/Yamaha - Carbon 160mm

                  Praxis - eCrank Set - Bosch/Yamaha - Carbon 160mm

                  One of the biggest names in the business. Our e-cranks for Bosch motors work on their ISIS splined ¢ ‚¬Å“Performance Line ¢ ‚¬ _x009d_ of e-motors. The arms are smartly shaped specifically for more efficient pedalling plus optimum clearance. Perfect for any Bosch equipped...
                  £279.00
                  £310.00
                  £279.00
                  Save £31.00
                • Cane Creek Eewings All-Road CranksCane Creek Eewings All-Road Cranks

                  Cane Creek Eewings All-Road Cranks

                  The eeWings All-Road have the same outstanding stiffness, durability and weight savings of the eeWings mountain cranks, but into a slimmer road bottom bracket standard. Perfect for road, gravel and cyclocross configurations.The eeWings All-Road titanium cranks and the included CNC aluminum bottom bracket preloader...
                  from £996.00
                  £1,200.00
                  from £996.00
                  Save £204.00
                • Cane Creek Eewings Mountain CranksCane Creek Eewings Mountain Cranks

                  Cane Creek Eewings Mountain Cranks

                  Take flight with the eeWings from Cane Creek. These titanium cranks are designed to keep up with the rigorous demands of the most aggressive trail and enduro mountain bikers €“ though they will benefit any rider who puts a premium on durability, stiffness and...
                  from £996.00
                  £1,200.00
                  from £996.00
                  Save £204.00
                • Fsa Metropolis Bosch G2 E-Bike Chainset Ck-632 CranksFSA FSA Ebike CK-632/IS Chainset 172.5mm

                    FSA FSA Ebike CK-632/IS Chainset 172.5mm

                    Metropolis E-bike forged crankset for the Bosch system. Forged AL6061/T6 crank arms. Crank arm without spider. Recommended BB-9920 (ISIS) Anodized black or silver. Printed graphics Weight: 524g
                    £49.00
                    £56.00
                    £49.00
                    Save £7.00
                  • Placeholder image

                      Sram Descendant Carbon Boost 148 Gxp 11S W Directmount 32T X-Sync Chainring (Gxp Cups Not Included) Cranks

                      The svelte strength of carbon fiber with the swagger of heavy metal. The Descendant carbon crankset uses a proprietary TRUVATIV carbon construction process that delivers a crankset light enough for XC, yet bold and badass enough for Enduro. Style and substance ¢ € ”...
                      £243.00
                      £243.00
                    • Trek Miranda Pavement Crankset CranksMiranda Pavement Crankset Black 170mm, 38t

                        Miranda Pavement Crankset Black 170mm, 38t

                        Crank Miranda 170mm 38T w/95mm Cover Black
                        £35.00
                        £40.00
                        £35.00
                        Save £5.00
                      • Trek 20"" Kids' CranksTrek 20˝ Kids Cranks Black 120mm/140mm, 32t

                          Trek 20˝ Kids Cranks Black 120mm/140mm, 32t

                          Crank Set Trek Kids' Dialled 32T 120 mm/140 mm Black
                          £20.00
                          £20.00
                        • Trek 16"" Kids' CranksTrek 16˝ Kids Cranks Black 90mm, 26t

                            Trek 16˝ Kids Cranks Black 90mm, 26t

                            Crank Trek 26 Tooth 89 mm Arms 9/16"" Threads Black
                            £20.00
                            £20.00
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