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 Eagle 90 Isis Bdu38 Black M15 Self Extracting Bolt Including Bosch Crank Cap - For Pedal Assist (Chainring/Bb Not Included)Sram Crank Arm Assembly Eagle 90 Isis Bdu38 Black M15 Self Extracting Bolt Including Bosch Crank Cap - For Pedal Assist (Chainring/Bb Not Included)

      Sram Crank Arm Assembly Eagle 90 Isis Bdu38 Black M15 Self Extracting Bolt Including Bosch Crank Cap - For Pedal Assist (Chainring/Bb Not Included)

      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
    • shimano fcm8100 xt crank set without ring 12speed 52 mm chainlineShimano Fc-M8100 Xt Crank Set Without Ring 12-Speed 52 Mm Chainline

      Shimano Fc-M8100 Xt Crank Set Without Ring 12-Speed 52 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 £125.99
      £149.99
      from £125.99
      Save £24.00
      • Black
    • Trek Kids' Crankset Black 127mm, 28t

        Trek Kids' Crankset Black 127mm, 28t

        £17.00
        £17.00
      • Shimano Cranks - FC-U4000 CUES chainset, for 9/10/11-speedShimano Cranks - FC-U4000 CUES chainset, for 9/10/11-speed

        Shimano Cranks - FC-U4000 CUES chainset, for 9/10/11-speed - Black

        CUES range of components for mid-grade riding styles offers simplified compatibility, versatility and durability LINKGLIDE technology is very durable, up to 300% more durable than current Hyperglide drivetrain and maintaining smooth shifting Great value for money 3-piece crankset designed for use with square type...
        £37.79
        £44.99
        £37.79
        Save £7.20
        • Black
      • Shimano Cranks - FC-M311 Altus square taper chainsetShimano Cranks - FC-M311 Altus square taper chainset

        Shimano Cranks - FC-M311 Altus square taper chainset with Chain Guard - Black

        Entry level 7/8-speed chainset offering slick hyperdrive shifting performance for off road enthusiasts Hyperdrive SG-X chainrings for fast and smooth gear shifts 7/8-speed compatible steel chainrings For use with 123 mm square taper bottom brackets
        from £37.79
        £44.99
        from £37.79
        Save £7.20
        • Black
      • Praxis Works Cranks - eCrank Set, ISIS Fit, HD AlloyPraxis Works Cranks - eCrank Set, ISIS Fit, HD Alloy

          Praxis Works Cranks - eCrank Set, ISIS Fit, HD Alloy - Black

          One of the biggest names in the business. Our e-cranks for Bosch motors work on their ISIS splined ¢ ‚¬Å“Performance Line ¢ ‚¬  of e-motors. The arms are smartly shaped specifically for more efficient pedalling plus optimum clearance. Perfect for any Bosch equipped...
          £82.65
          £95.00
          £82.65
          Save £12.35
          • Black
        • Sram Crank Arm Assembly X0 Isis Self Extracting Bolt - For Pedal Assist (Crank Cap/Chainring/Bb Not Included)Sram Crank Arm Assembly X0 Isis Self Extracting Bolt - For Pedal Assist (Crank Cap/Chainring/Bb Not Included)

            Sram Crank Arm Assembly X0 Isis Self Extracting Bolt - For Pedal Assist (Crank Cap/Chainring/Bb Not Included) - 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 Sram/Brose Crank CapSram Crank Arm Assembly Eagle 90 Isis Black M15 Self Extracting Bolt Sram/Brose Crank Cap

              Sram Crank Arm Assembly Eagle 90 Isis Black M15 Self Extracting Bolt Sram/Brose 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 aluminium 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
            • Shimano Cranks - Fc-M371 Chainset, Square Taper, 44 / 32 / 22TShimano Cranks - Fc-M371 Chainset, Square Taper, 44 / 32 / 22T

              Shimano Cranks - Fc-M371 Chainset, Square Taper, 44 / 32 / 22T - Black

              Wide variety of chain case choices Square taper bottom bracket fitment Pin position with better clearance toward chaincase Wide variety of choices: 44-32-22T/48-36-26T Color options: Black, Silver
              £49.58
              £56.99
              £49.58
              Save £7.41
              • Black
            • Shimano Cranks - FC-M311 Altus square taper chainsetShimano Cranks - FC-M311 Altus square taper chainset

              Shimano Cranks - FC-M311 Altus square taper chainset - Black

              Entry level 7/8-speed chainset offering slick hyperdrive shifting performance for off road enthusiasts Hyperdrive SG-X chainrings for fast and smooth gear shifts 7/8-speed compatible steel chainrings For use with 123 mm square taper bottom brackets
              £37.79
              £44.99
              £37.79
              Save £7.20
              • Black
            • Race Face Cranks - Atlas Cranks (Arms Only)Race Face Cranks - Atlas Cranks (Arms Only)

              Race Face Cranks - Atlas Cranks (Arms Only) - Black

              Crank arms forged and then machined from tough 7050 Alloy bracing that improves stiffness while cutting out unnecessary material and featuring our Cinch interface system for new levels of versatility - these cranks excel across many disciplines including trail, enduro and full on DH...
              £190.53
              £219.00
              £190.53
              Save £28.47
              • Black
              • Blue
              • Green
              • Orange
            • Praxis Works Cranks - CS, Zane DM M30Praxis Works Cranks - CS, Zane DM M30

                Praxis Works Cranks - CS, Zane Youth DM M30 - Black

                Lightweight forged M30 aluminium cranks perfect for Youth riders or those wanting shorter cranks.
                £139.20
                £160.00
                £139.20
                Save £20.80
                • Black
              • Sram Crankset Sx Eagle Powerspline 12S With Direct Mount 32T X-Sync 2 Steel Chainring A1Sram Crankset Sx Eagle Powerspline 12S With Direct Mount 32T X-Sync 2 Steel Chainring A1

                  Sram Crankset Sx Eagle Powerspline 12S With Direct Mount 32T X-Sync 2 Steel Chainring A1 - Black

                  Sram: Multiple price-point options to allow you to hit the group price you need to build a better bike. Same chain retention performance as seen in all of the higher-level Eagle drivetrain cranks.THINGS TO REMEMBER All new fully featured Eagle crankset. Now offering more...
                  £62.64
                  £72.00
                  £62.64
                  Save £9.36
                  • Black
                • Shimano Altus FC-M311 Altus square taper chainset, 48/38/28T, with chainguard, 170 mm

                    Shimano Altus FC-M311 Altus square taper chainset, 48/38/28T, with chainguard, 170 mm

                    £38.24
                    £44.99
                    £38.24
                    Save £6.75
                  • Sunrace Fcm500 Triple CranksSunrace Fcm500 Triple Cranks

                      Sunrace Fcm500 Triple Cranks

                      Forged Alloy Crank Steel Chainrings 3 x 8/7-Speed 42-34-24T
                      £35.00
                      £35.00
                    • Trek Trek-Diamant Wheel Top Dcrx1 Double Crankset CranksTrek-Diamant Wheel Top DCRX1 Double Crankset Black 170mm, 30x46t

                        Trek-Diamant Wheel Top DCRX1 Double Crankset Black 170mm, 30x46t

                        Crankset Trek-Diamant Wheel Top DCRX1 46/30 170mm w/Guard BK
                        £17.00
                        £17.00
                      • Shimano XTR FC-M9220 XTR crank set without ring, 55mm chain line, 12-speed, 165mmShimano XTR FC-M9220 XTR crank set without ring, 55mm chain line, 12-speed, 165mm

                        Shimano XTR FC-M9220 XTR crank set without ring, 55mm chain line, 12-speed, 165mm - Grey / Black

                        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...
                        £217.49
                        £249.99
                        £217.49
                        Save £32.50
                        • Grey / Black
                      • FSA Gradient Modular 392Evo 1x11/12 Direct Mount ArmsetFSA Gradient Modular 392Evo 1x11/12 Direct Mount Armset

                        FSA Gradient Modular 392Evo 1x11/12 Direct Mount Armset - Black

                        Modular lightweight aluminium DH and enduro armset. Chainrings available separately. This is armset only. Chainring not included. Forged and precision machined with advanced bonding technology. Forged AL7050 392Evo axle. AL7075 100% CNC chainrings. Fits Shimano and SRAM 11-12 speed system. Length: 165, 170, 175mm....
                        £339.99
                        £399.99
                        £339.99
                        Save £60.00
                        • Black
                      • Placeholder image

                        FSA Alloy Bash Ring 42T 5h 130 BCD - Black

                        £5.94
                        £6.99
                        £5.94
                        Save £1.05
                        • Black
                      • Race Face Turbine Cranks (Arms Only)Race Face Turbine Cranks (Arms Only)

                          Race Face Turbine Cranks (Arms Only) - Black

                          Work Hard Play Hard The sickest aluminium crank on the trails thirty years running. The Turbine delivers an incredibly stiff and responsive ride and tons of versatility thanks to proven Race Face tech. Go ahead get rowdy - Turbine won't let you down. The...
                          £192.72
                          £219.00
                          £192.72
                          Save £26.28
                          • Black
                        • Race Face ERA 136mm Cranks (Arms Only)Race Face ERA 136mm Cranks (Arms Only)

                            Race Face ERA 136mm Cranks (Arms Only) - Orange

                            Crank Different The new flagship crankset from Race Face is here. Era is battle-tested on the world's toughest enduro courses and weighs in at just 483 grams. With a slick stainless scuff plate and more colours than you can shake a stick at this...
                            £395.12
                            £449.00
                            £395.12
                            Save £53.88
                            • Orange
                            • Black
                            • Blue
                            • Kash Money Gold
                          • Race Face Era Carbon Bosch TQ Brose DJI E-Bike Crank ArmsRace Face Era Carbon Bosch TQ Brose DJI E-Bike Crank Arms

                              Race Face Era Carbon Bosch TQ Brose DJI E-Bike Crank Arms - Black

                              Rebel against scuffing The wider frame width needed to accommodate electric motors and the narrow stance needed for pedal ergonomics means shoe rub is increasingly prevalent on eMTBs. Era’s unique stainless steel wear plate protects against this damage. Keep your cranks looking fresh after...
                              £351.12
                              £399.00
                              £351.12
                              Save £47.88
                              • Black
                            • Race Face AEffect 137mm Cranks (Arms Only)Race Face AEffect 137mm Cranks (Arms Only)

                                Race Face AEffect 137mm Cranks (Arms Only) - Black

                                Now with two-tone graphics our popular ’ffect crankset is designed to handle aggressive trail riding at an XC crank weight and attractive pricepoint. Featuring the Cinch System with its interchangeable spider options our trusted 24mm EXI interface spindle and additional 165mm length ’ffect is...
                                £104.72
                                £119.00
                                £104.72
                                Save £14.28
                                • Black
                              • Race Face AEffect-R Alloy Fazua ETOR E-Bike Crank ArmsRace Face AEffect-R Alloy Fazua ETOR E-Bike Crank Arms

                                  Race Face AEffect-R Alloy Fazua ETOR E-Bike Crank Arms - Black

                                  Smooth-pedaling ergonomics. Extra-burly eMTB build. Our Aeffect R eMTB cranks bring the burly purpose-driven design of Aeffect R to light-assist and full-power e-bikes. While they are designed for rowdy power-down riding the 485g weight puts them among the lightest alloy eMTB cranks on the...
                                  £104.72
                                  £119.00
                                  £104.72
                                  Save £14.28
                                  • Black
                                • Race Face AEffect-R Alloy Bosch TQ Brose DJI E-Bike Crank ArmsRace Face AEffect-R Alloy Bosch TQ Brose DJI E-Bike Crank Arms

                                    Race Face AEffect-R Alloy Bosch TQ Brose DJI E-Bike Crank Arms - Black

                                    Smooth-pedaling ergonomics. Extra-burly eMTB build. Our Aeffect R eMTB cranks bring the burly purpose-driven design of Aeffect R to light-assist and full-power e-bikes. While they are designed for rowdy power-down riding the 485g weight puts them among the lightest alloy eMTB cranks on the...
                                    £104.72
                                    £119.00
                                    £104.72
                                    Save £14.28
                                    • Black
                                  • Truvativ Cranks - Descendant All Downhill Dub83 With Direct Mount 34T X-Sync 2 Chainring B1: Black 165mmTruvativ Cranks - Descendant All Downhill Dub83 With Direct Mount 34T X-Sync 2 Chainring B1: Black 165mm

                                      Truvativ Cranks - Descendant All Downhill Dub83 With Direct Mount 34T X-Sync 2 Chainring B1: Black 165mm - Black

                                      Truvativ: BORN FROM THE MOUNTAIN Whether your target is high speed or big air, an unwavering focus on dependability and style can never be overlooked. Blending the experience of countless DH podiums, big mountain competitions and film sessions, the new Descendant DH crank brings...
                                      £151.38
                                      £174.00
                                      £151.38
                                      Save £22.62
                                      • Black
                                    • Truvativ Cranks - Crank Stylo 6K Aluminum Eagle Dub 12S W Directmount 32T X-Sync 2 Chainring Black (Dub Cups/Bearings Not Included)Truvativ Cranks - Crank Stylo 6K Aluminum Eagle Dub 12S W Directmount 32T X-Sync 2 Chainring Black (Dub Cups/Bearings Not Included)

                                        Truvativ Cranks - Crank Stylo 6K Aluminum Eagle Dub 12S W Directmount 32T X-Sync 2 Chainring Black (Dub Cups/Bearings Not Included) - Black

                                        Truvativ: SHARPENED FOR SPEEDThe STYLO 6K crankset delivers consistent performance every time out. Featuring SRAM's X-SYNC™2 tooth profile chainring, the STYLO crankset is engineered for complete chain control. Each tooth's thickness is precisely toleranced and controlled to work seamlessly with the SRAM chain's inner...
                                        £100.05
                                        £115.00
                                        £100.05
                                        Save £14.95
                                        • Black
                                      • Truvativ Cranks - Crank Stylo 6K Aluminum Eagle Boost 148 Dub 12S W Direct Mount 32T X-Sync 2 Chainring Black (Dub Cups/Bearings Not Included)Truvativ Cranks - Crank Stylo 6K Aluminum Eagle Boost 148 Dub 12S W Direct Mount 32T X-Sync 2 Chainring Black (Dub Cups/Bearings Not Included)

                                          Truvativ Cranks - Crank Stylo 6K Aluminum Eagle Boost 148 Dub 12S W Direct Mount 32T X-Sync 2 Chainring Black (Dub Cups/Bearings Not Included) - Black

                                          Truvativ: SHARPENED FOR SPEEDThe STYLO 6K crankset delivers consistent performance every time out. Featuring SRAM's X-SYNC™2 tooth profile chainring, the STYLO crankset is engineered for complete chain control. Each tooth's thickness is precisely toleranced and controlled to work seamlessly with the SRAM chain's inner...
                                          £100.05
                                          £115.00
                                          £100.05
                                          Save £14.95
                                          • Black
                                        • Truvativ Cranks - Crank Descendant Carbon Eagle Dub 12S W Directmount 32T X-Sync 2 Chainring Black (Dub Cups/Bearings Not Included)Truvativ Cranks - Crank Descendant Carbon Eagle Dub 12S W Directmount 32T X-Sync 2 Chainring Black (Dub Cups/Bearings Not Included)

                                            Truvativ Cranks - Crank Descendant Carbon Eagle Dub 12S W Directmount 32T X-Sync 2 Chainring Black (Dub Cups/Bearings Not Included) - Black

                                            Truvativ: BORN FROM THE MOUNTAINThe 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...
                                            £247.95
                                            £285.00
                                            £247.95
                                            Save £37.05
                                            • Black
                                          • Truvativ Cranks - Crank Descendant Carbon Eagle Boost 148 Dub 12S W Direct Mount 32T X-Sync 2 Chainring Black (Dub Cups/Bearings Not Included)Truvativ Cranks - Crank Descendant Carbon Eagle Boost 148 Dub 12S W Direct Mount 32T X-Sync 2 Chainring Black (Dub Cups/Bearings Not Included)

                                              Truvativ Cranks - Crank Descendant Carbon Eagle Boost 148 Dub 12S W Direct Mount 32T X-Sync 2 Chainring Black (Dub Cups/Bearings Not Included) - Black

                                              Truvativ: BORN FROM THE MOUNTAINThe 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...
                                              £247.95
                                              £285.00
                                              £247.95
                                              Save £37.05
                                              • Black
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