Chainsets

At the heart of your bike’s drivetrain lies the chainset (also called crankset): the component that converts your pedal strokes into forward motion. Swinnerton Cycles’ Chainsets category is dedicated to providing high‑quality, performance‑driven options that match a wide spectrum of riding styles - from relaxed weekend rides to high‑intensity racing,...

At the heart of your bike’s drivetrain lies the chainset (also called crankset): the component that converts your pedal strokes into forward motion. Swinnerton Cycles’ Chainsets category is dedicated to providing high‑quality, performance‑driven options that match a wide spectrum of riding styles - from relaxed weekend rides to high‑intensity racing, mountain trails, gravel adventures or daily commuting.

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  • Shimano Fc-08 Left Hand Crank Arm 165 Mm Spares & AccesoriesShimano Ultegra FC-08 left hand crank arm, 165 mm

      Shimano Ultegra FC-08 left hand crank arm, 165 mm

      FC-08 left hand crank arm, 165 mm is product number 2 in the attached image Genuine Shimano replacement part
      £63.74
      £74.99
      £63.74
      Save £11.25
    • Shimano Fc-09 Left Hand Crank Arm 177.5 Mm Spares & AccesoriesShimano Dura-Ace FC-09 left hand crank arm, 177.5 mm

        Shimano Dura-Ace FC-09 left hand crank arm, 177.5 mm

        FC-09 left hand crank arm, 177.5 mm is product number 2 in the attached image Genuine Shimano replacement part
        £127.49
        £149.99
        £127.49
        Save £22.50
      • Shimano Fc-09 Left Hand Crank Arm 175 Mm Spares & AccesoriesShimano Dura-Ace FC-09 left hand crank arm, 175 mm

          Shimano Dura-Ace FC-09 left hand crank arm, 175 mm

          FC-09 left hand crank arm, 175 mm is product number 2 in the attached image Genuine Shimano replacement part
          £127.49
          £149.99
          £127.49
          Save £22.50
        • Shimano Fc-09 Left Hand Crank Arm 172.5 Mm Spares & AccesoriesShimano Dura-Ace FC-09 left hand crank arm, 172.5 mm

            Shimano Dura-Ace FC-09 left hand crank arm, 172.5 mm

            FC-09 left hand crank arm, 172.5 mm is product number 2 in the attached image Genuine Shimano replacement part
            £127.49
            £149.99
            £127.49
            Save £22.50
          • Shimano Fc-09 Left Hand Crank Arm 170 Mm Spares & AccesoriesShimano Dura-Ace FC-09 left hand crank arm, 170 mm

              Shimano Dura-Ace FC-09 left hand crank arm, 170 mm

              FC-09 left hand crank arm, 170 mm is product number 2 in the attached image Genuine Shimano replacement part
              £127.49
              £149.99
              £127.49
              Save £22.50
            • Shimano Fc-09 Left Hand Crank Arm 167.5 Mm Spares & AccesoriesShimano Dura-Ace FC-09 left hand crank arm, 167.5 mm

                Shimano Dura-Ace FC-09 left hand crank arm, 167.5 mm

                FC-09 left hand crank arm, 167.5 mm is product number 2 in the attached image Genuine Shimano replacement part
                £127.49
                £149.99
                £127.49
                Save £22.50
              • Shimano Fc-09 Left Hand Crank Arm 165 Mm Spares & AccesoriesShimano Dura-Ace FC-09 left hand crank arm, 165 mm

                  Shimano Dura-Ace FC-09 left hand crank arm, 165 mm

                  FC-09 left hand crank arm, 165 mm is product number 2 in the attached image Genuine Shimano replacement part
                  £127.49
                  £149.99
                  £127.49
                  Save £22.50
                • Shimano Fc-Rx820-1 Left Hand Crank Arm 175 Mm Spares & AccesoriesShimano GRX FC-RX820-1 left hand crank arm, 175 mm

                    Shimano GRX FC-RX820-1 left hand crank arm, 175 mm

                    FC-RX820-1 left hand crank arm, 175 mm is product number 2 in the attached image Genuine Shimano replacement part
                    £72.24
                    £84.99
                    £72.24
                    Save £12.75
                  • Shimano Fc-Rx820-1 Left Hand Crank Arm 172.5 Mm Spares & AccesoriesShimano GRX FC-RX820-1 left hand crank arm, 172.5 mm

                      Shimano GRX FC-RX820-1 left hand crank arm, 172.5 mm

                      FC-RX820-1 left hand crank arm, 172.5 mm is product number 2 in the attached image Genuine Shimano replacement part
                      £72.24
                      £84.99
                      £72.24
                      Save £12.75
                    • Shimano Fc-Rx820-1 Left Hand Crank Arm 170 Mm Spares & AccesoriesShimano GRX FC-RX820-1 left hand crank arm, 170 mm

                        Shimano GRX FC-RX820-1 left hand crank arm, 170 mm

                        FC-RX820-1 left hand crank arm, 170 mm is product number 2 in the attached image Genuine Shimano replacement part
                        £72.24
                        £84.99
                        £72.24
                        Save £12.75
                      • Shimano Fc-R7100 Left Hand Crank Arm Unit 175 Mm Spares & Accesories

                          Shimano 105 FC-R7100 left hand crank arm unit, 175 mm

                          Shimano 105 12speed FC-R7100 replacement left hand crank Sizes available 160mm, 165mm, 170mm, 172.5mm and 175mm Genuine Shimano replacement part
                          £42.49
                          £49.99
                          £42.49
                          Save £7.50
                        • Shimano Fc-R7100 Left Hand Crank Arm Unit 172.5 Mm Spares & Accesories

                            Shimano 105 FC-R7100 left hand crank arm unit, 172.5 mm

                            Shimano 105 12speed FC-R7100 replacement left hand crank Sizes available 160mm, 165mm, 170mm, 172.5mm and 175mm Genuine Shimano replacement part
                            £42.49
                            £49.99
                            £42.49
                            Save £7.50
                          • Shimano Fc-R7100 Left Hand Crank Arm Unit 170 Mm Spares & Accesories

                              Shimano 105 FC-R7100 left hand crank arm unit, 170 mm

                              Shimano 105 12speed FC-R7100 replacement left hand crank Sizes available 160mm, 165mm, 170mm, 172.5mm and 175mm Genuine Shimano replacement part
                              £42.49
                              £49.99
                              £42.49
                              Save £7.50
                            • Shimano Fc-R7100 Left Hand Crank Arm Unit 160 Mm Spares & Accesories

                                Shimano 105 FC-R7100 105 left hand crank arm unit, 160 mm

                                Shimano 105 12speed FC-R7100 replacement left hand crank Sizes available 160mm, 165mm, 170mm, 172.5mm and 175mm Genuine Shimano replacement part
                                £42.49
                                £49.99
                                £42.49
                                Save £7.50
                              • Shimano Fc-R8100-P Left Hand Crank Arm Unit 175 Mm Spares & Accesories

                                  Shimano Ultegra FC-R8100-P left hand crank arm unit, 175 mm

                                  FC-R8100-P left hand crank arm unit, 175 mm is product number 1 in the attached image Genuine Shimano replacement part
                                  £424.15
                                  £499.00
                                  £424.15
                                  Save £74.85
                                • Shimano Fc-R8100-P Left Hand Crank Arm Unit 172.5 Mm Spares & Accesories

                                    Shimano Ultegra FC-R8100-P left hand crank arm unit, 172.5 mm

                                    FC-R8100-P left hand crank arm unit, 172.5 mm is product number 1 in the attached image Genuine Shimano replacement part
                                    £424.15
                                    £499.00
                                    £424.15
                                    Save £74.85
                                  • Shimano Fc-R8100-P Left Hand Crank Arm Unit 170 Mm Spares & Accesories

                                      Shimano Ultegra FC-R8100-P left hand crank arm unit, 170 mm

                                      FC-R8100-P left hand crank arm unit, 170 mm is product number 1 in the attached image Genuine Shimano replacement part
                                      £424.15
                                      £499.00
                                      £424.15
                                      Save £74.85
                                    • Shimano Fc-R8100-P Left Hand Crank Arm Unit 165 Mm Spares & Accesories

                                        Shimano Ultegra FC-R8100-P left hand crank arm unit, 165 mm

                                        FC-R8100-P left hand crank arm unit, 165 mm is product number 1 in the attached image Genuine Shimano replacement part
                                        £424.15
                                        £499.00
                                        £424.15
                                        Save £74.85
                                      • Shimano Fc-R8100-P Top Cover Spares & AccesoriesShimano Fc-R8100-P Top Cover Spares & Accesories

                                          Shimano Spares FC-R8100-P top cover

                                          FC-R8100-P top cover is product number 20 in the attached image Genuine Shimano replacement part
                                          £12.99
                                          £12.99
                                        • Shimano Fc-R8100-P Left Hand Crank Arm Unit 160 Mm Spares & Accesories

                                            Shimano Ultegra FC-R8100-P left hand crank arm unit, 160 mm

                                            FC-R8100-P left hand crank arm unit, 160 mm is product number 1 in the attached image Genuine Shimano replacement part
                                            £424.15
                                            £499.00
                                            £424.15
                                            Save £74.85
                                          • Shimano Fc-R8100-P Outer Cap Spares & AccesoriesShimano Fc-R8100-P Outer Cap Spares & Accesories

                                              Shimano Spares FC-R8100-P outer cap

                                              FC-R8100-P outer cap is product number 2 in the attached image Genuine Shimano replacement part
                                              £1.99
                                              £1.99
                                            • Shimano Fc-R8100 Fixing Bolt And Cover Set M8 X 10.1 Mm For 46-36T Spares & AccesoriesShimano Spares FC-R8100 fixing bolt and cover set, M8 x 10.1 mm, for 46-36T

                                                Shimano Spares FC-R8100 fixing bolt and cover set, M8 x 10.1 mm, for 46-36T

                                                FC-R8100 fixing bolt and cover set, M8 x 10.1 mm, for 46-36T is product number 16 in the attached image Genuine Shimano replacement part
                                                £24.99
                                                £24.99
                                              • Shimano Fc-R8100 Left Hand Crank Arm Unit 175 Mm Spares & Accesories

                                                  Shimano Ultegra FC-R8100 Ultegra left hand crank arm unit, 175 mm

                                                  FC-R8100 Ultegra left hand crank arm unit, 175 mm is product number 2 in the attached image Genuine Shimano replacement part
                                                  £101.99
                                                  £119.99
                                                  £101.99
                                                  Save £18.00
                                                • Shimano Fc-R8100 Left Hand Crank Arm Unit 172.5 Mm Spares & Accesories

                                                    Shimano Ultegra FC-R8100 Ultegra left hand crank arm unit, 172.5 mm

                                                    FC-R8100 Ultegra left hand crank arm unit, 172.5 mm is product number 2 in the attached image Genuine Shimano replacement part
                                                    £101.99
                                                    £119.99
                                                    £101.99
                                                    Save £18.00
                                                  • Shimano Fc-R8100 Left Hand Crank Arm Unit 170 Mm Spares & Accesories

                                                      Shimano Ultegra FC-R8100 Ultegra left hand crank arm unit, 170 mm

                                                      FC-R8100 Ultegra left hand crank arm unit, 170 mm is product number 2 in the attached image Genuine Shimano replacement part
                                                      £101.99
                                                      £119.99
                                                      £101.99
                                                      Save £18.00
                                                    • Shimano Fc-R8100 Left Hand Crank Arm Unit 165 Mm Spares & Accesories

                                                        Shimano Ultegra FC-R8100 Ultegra left hand crank arm unit, 165 mm

                                                        FC-R8100 Ultegra left hand crank arm unit, 165 mm is product number 2 in the attached image Genuine Shimano replacement part
                                                        £101.99
                                                        £119.99
                                                        £101.99
                                                        Save £18.00
                                                      • Shimano Fc-R8100 Left Hand Crank Arm Unit 160 Mm Spares & Accesories

                                                          Shimano Ultegra FC-R8100 Ultegra left hand crank arm unit, 160 mm

                                                          FC-R8100 Ultegra left hand crank arm unit, 160 mm is product number 2 in the attached image Genuine Shimano replacement part
                                                          £101.99
                                                          £119.99
                                                          £101.99
                                                          Save £18.00
                                                        • Shimano St-R8150 Clamp Band Unit 23.8 To 24.2 Mm Spares & AccesoriesShimano Spares ST-R8150 clamp band unit, 23.8 to 24.2 mm

                                                            Shimano Spares ST-R8150 clamp band unit, 23.8 to 24.2 mm

                                                            ST-R8150 clamp band unit, 23.8 to 24.2 mm is product number 1 in the attached image Genuine Shimano replacement part
                                                            £9.99
                                                            £9.99
                                                          • Shimano Fc-R9200-P Left Hand Crank Arm Unit 177.5 Mm Spares & Accesories

                                                              Shimano Dura-Ace FC-R9200-P left hand crank arm unit, 177.5 mm

                                                              FC-R9200-P left hand crank arm unit, 177.5 mm is product number 1 in the attached image Genuine Shimano replacement part
                                                              £594.99
                                                              £699.99
                                                              £594.99
                                                              Save £105.00
                                                            • Shimano Fc-R9200-P Left Hand Crank Arm Unit 175 Mm Spares & Accesories

                                                                Shimano Dura-Ace FC-R9200-P left hand crank arm unit, 175 mm

                                                                FC-R9200-P left hand crank arm unit, 175 mm is product number 1 in the attached image Genuine Shimano replacement part
                                                                £594.99
                                                                £699.99
                                                                £594.99
                                                                Save £105.00
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