Rear Mech Spares

Rear Mech Spares at Swinnerton CyclesExtend the life of your rear derailleur and keep it shifting precisely with our range of rear mech spares at Swinnerton Cycles. From jockey wheels, B-tension screws, and hanger bolts to cable anchor hardware, inner plates, and derailleur boots, we stock the components needed to...

Rear Mech Spares at Swinnerton Cycles

Extend the life of your rear derailleur and keep it shifting precisely with our range of rear mech spares at Swinnerton Cycles. From jockey wheels, B-tension screws, and hanger bolts to cable anchor hardware, inner plates, and derailleur boots, we stock the components needed to service and maintain all major rear derailleur systems. Regular servicing of your rear mech — including jockey wheel replacement and cable renewal — makes a significant difference to shifting quality and component longevity. We stock rear mech spares from Shimano and other leading brands. Browse our full Rear Mech collection and explore Jockey Wheels, Bike Hangers, and Cables.

Popular Rear Mech Spares

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  • Shimano RD-R8050 rear derailleur bracket axle unit replacement part, bicycle components for Shimano Spares.Shimano RD-R8050 rear derailleur bracket axle unit replacement component for bike gear shifting.

      Shimano RD-R8050 Rear Derailleur Bracket Axle Unit Replacement Part

      Keep your Shimano RD-R8050 rear derailleur running smoothly with this genuine bracket axle unit. Designed for precise shifting and durability, it ensures your transmission stays reliable ride after ride. Easy to install and crafted to Shimano’s high standards, this spare part extends the life...
      £18.89
      £19.99
      £18.89
      Save £1.10
    • Shimano RD-R8050-GS inner plate for rear derailleur replacement, showing metal component with gear teeth and mounting holes.Shimano RD-R8050-GS rear derailleur inner plate replacement part for bicycle components, showing the metallic inner plate.

        Shimano RD-R8050-GS Inner Plate Replacement Part for Rear Derailleur Spares

        The Shimano Spares RD-R8050-GS inner plate ensures precise shifting and durability for your rear mech. Designed as a genuine replacement part, it guarantees perfect compatibility and performance. Made for Shimano transmission systems, this component maintains smooth gear transitions and extends the life of your...
        £9.44
        £9.99
        £9.44
        Save £0.55
      • Shimano Rdm5120 Pulley Bolts Pk2 Spares & AccessoriesShimano Spares RD-M5120 pulley bolts, pack of 2 | Swinnerton Cycles

          Shimano RD-M5120 Rear Derailleur Pulley Bolts Replacement Pack of 2

          Keep your Shimano RD-M5120 rear mech running smoothly with these genuine pulley bolts. Designed for reliable performance and easy replacement. What It’s Good For Ensures secure attachment of pulley wheels Compatible specifically with RD-M5120 models Maintains optimal shifting performance Pack of 2 for convenient...
          £1.88
          £1.99
          £1.88
          Save £0.11
        • Shimano Rdm5120 Right Outer Plate Assy Sgs Spares & AccessoriesShimano Spares RD-M5120 right outer plate assembly, SGS-type | Swinnerton Cycles

            Shimano RD-M5120 SGS-Type Right Outer Plate Assembly Replacement Part

            Ensure smooth shifting with the Shimano Spares RD-M5120 right outer plate assembly, SGS-type. This genuine Shimano component guarantees reliable performance for your rear mech. Designed specifically for Shimano transmissions, it offers durability and precise fit, restoring your bike’s shifting quality effortlessly. What It’s Good...
            £9.44
            £9.99
            £9.44
            Save £0.55
          • Shimano Rdm5120 Cable Fixing Bolt & Plate Spares & AccessoriesShimano Spares RD-M5120 cable fixing bolt and plate, M5 x 9.2 mm | Swinnerton Cycles

              Shimano RD-M5120 Rear Derailleur Cable Fixing Bolt and Plate M5 x 9.2mm Replacement

              Ensure smooth and reliable gear shifting with the Shimano Spares RD-M5120 cable fixing bolt and plate. Precision-engineered for compatibility with Shimano rear mechs, this genuine replacement part guarantees durability and optimal performance. Designed to secure the derailleur cable firmly, it maintains consistent tension for...
              £1.88
              £1.99
              £1.88
              Save £0.11
            • Shimano Rdm5120-B Bracket Axle Normal Type Spares & AccessoriesShimano Spares RD-M5120-B bracket axle unit for normal type | Swinnerton Cycles

                Shimano Spares RD-M5120-B Bracket Axle Unit for Normal Type Rear Mech Replacement

                The Shimano Spares RD-M5120-B bracket axle unit is a genuine replacement designed for normal type rear mech setups. Engineered to maintain optimal transmission performance, it ensures smooth gear shifting and reliable durability. Crafted with Shimano's precision, this component supports efficient drivetrain function and extends...
                £9.44
                £9.99
                £9.44
                Save £0.55
              • Shimano Rdm5120 Pulley Set Sgs Spares & AccessoriesShimano Deore Deore RD-M5120 tension and guide pulley set, SGS | Swinnerton Cycles

                  Shimano Deore RD-M5120 SGS Rear Derailleur Tension & Guide Pulley Set Replacement

                  Upgrade your Shimano Deore RD-M5120 with this genuine tension and guide pulley set designed for SGS rear derailleurs. Crafted to ensure smooth and precise shifting performance, these pulleys maintain optimal chain tension and guide the chain efficiently. Durable and easy to install, this replacement...
                  £5.67
                  £6.99
                  £5.67
                  Save £1.32
                • Shimano Rdm5120 Left Inner Plate Sgs Type Spares & AccessoriesShimano Spares RD-M5120 left inner plate, SGS type | Swinnerton Cycles

                    Shimano RD-M5120 Left Inner Plate SGS Type Replacement for Rear Derailleur

                    The Shimano Spares RD-M5120 left inner plate, SGS type, ensures reliable performance and durability for your rear mech. This genuine Shimano component is designed for seamless transmission and optimal bike functionality. What It’s Good For Maintains smooth shifting performance Durable, high-quality Shimano replacement part...
                    £3.77
                    £3.99
                    £3.77
                    Save £0.22
                  • Shimano Rdm5100 Outer Plate Assembly Sgs Spares & AccessoriesShimano Spares RD-M5100 outer plate assembly, SGS | Swinnerton Cycles

                      Shimano RD-M5100 SGS Outer Plate Assembly Replacement - Genuine Rear Mech Part

                      Upgrade your bike’s performance with the Shimano Spares RD-M5100 outer plate assembly, SGS. This genuine Shimano component ensures smooth and reliable rear mech operation, enhancing your transmission system’s durability and precision. Designed specifically for Shimano's RD-M5100 series, this replacement part fits perfectly, restoring your...
                      £10.38
                      £10.99
                      £10.38
                      Save £0.61
                    • Shimano Rdm5100 Bracket Axle Unit Spares & AccessoriesShimano Spares RD-M5100 bracket axle unit | Swinnerton Cycles

                        Shimano RD-M5100 Bracket Axle Unit Replacement for Rear Mech Spares

                        The Shimano Spares RD-M5100 bracket axle unit ensures smooth rear mech function and reliable transmission performance. Designed as a genuine Shimano replacement, it guarantees perfect compatibility and durability. What It’s Good For Restoring optimal shifting performance on your RD-M5100 rear mech Maintaining the reliability...
                        £9.44
                        £9.99
                        £9.44
                        Save £0.55
                      • Shimano Rdm5100 Pulley Set Spares & AccessoriesShimano Deore RD-M5100 tension and guide pulley set | Swinnerton Cycles

                          Shimano Deore RD-M5100 Rear Derailleur Tension & Guide Pulley Set Replacement

                          Upgrade your bike’s performance with the Shimano Deore RD-M5100 tension and guide pulley set. Designed as a genuine Shimano replacement, it ensures smooth and reliable shifting for your rear mech. Crafted for durability and precision, this pulley set helps maintain optimal chain tension and...
                          £7.29
                          £8.99
                          £7.29
                          Save £1.70
                        • Shimano Rdm6100 P-Cover Spares & AccessoriesShimano Spares RD-M6100 P-cover | Swinnerton Cycles

                            Shimano RD-M6100 Rear Derailleur P-Cover Genuine Replacement Part

                            The Shimano Spares RD-M6100 P-cover is an essential genuine replacement part designed to protect your rear derailleur effectively. Crafted with precision, it ensures optimal performance for your transmission system. Durable and easy to install, this component maintains the integrity of your bike’s rear mech,...
                            £4.71
                            £4.99
                            £4.71
                            Save £0.28
                          • Shimano Rdm6100 Bracket Axle Unit Spares & AccessoriesShimano Spares RD-M6100 bracket axle unit | Swinnerton Cycles

                              Shimano RD-M6100 Bracket Axle Unit Replacement for Rear Derailleur Spares

                              Upgrade your bike’s performance with the Shimano Spares RD-M6100 bracket axle unit. This genuine Shimano part ensures reliable and smooth rear mech operation, enhancing your transmission system. Designed specifically for the RD-M6100, this bracket axle unit offers durability and perfect fitment, making maintenance straightforward...
                              £10.38
                              £10.99
                              £10.38
                              Save £0.61
                            • Shimano Rdm6100 Inner Plate Sgs Type Spares & AccessoriesShimano Spares RD-M6100 inner plate SGS type | Swinnerton Cycles

                                Shimano RD-M6100 SGS Inner Plate Replacement Part for Rear Derailleur

                                The Shimano Spares RD-M6100 inner plate SGS type ensures smooth and reliable shifting performance. Designed as a genuine Shimano replacement, it maintains the integrity of your rear mech system. Perfect for riders seeking quality components to extend the life of their transmission, this inner...
                                £3.77
                                £3.99
                                £3.77
                                Save £0.22
                              • Shimano RD-RX400 SGS rear derailleur outer plate assembly, a replacement component for cycling drivetrain maintenance.Shimano RD-RX400 SGS rear derailleur outer plate assembly, replacement component for bike gear shifting.

                                  Shimano RD-RX400 SGS Rear Derailleur Outer Plate Assembly Replacement Part

                                  The Shimano Spares RD-RX400 outer plate assembly, SGS is a genuine replacement part designed to maintain optimal performance of your rear mech. Crafted with Shimano's precision, it ensures smooth shifting and reliable transmission. Perfect for riders seeking a durable and efficient component, this outer...
                                  £7.55
                                  £7.99
                                  £7.55
                                  Save £0.44
                                • Shimano GRX RD-RX400 rear derailleur pulley set showing metal and plastic components for bicycle gear shifting.Shimano GRX RD-RX400 rear derailleur pulley set for bike components, showing close-up of genuine replacement parts.

                                    Shimano GRX RD-RX400 Rear Derailleur Pulley Set – Genuine Replacement Parts

                                    Ensure smooth and precise shifting with the Shimano GRX RD-RX400 rear mech pulley set. Designed specifically for the GRX RD-RX400 rear derailleur, this genuine Shimano replacement part helps maintain optimal transmission performance. Regular replacement of the pulley wheels ensures your bike shifts accurately and...
                                    £4.84
                                    £5.99
                                    £4.84
                                    Save £1.15
                                  • Shimano RD-R9250 derailleur stroke adjusting screws and plate replacement components for bike gear shifting.

                                      Shimano RD-R9250 Stroke Adjusting Screws and Plate Replacement Parts

                                      Ensure precise shifting with the Shimano Spares RD-R9250 stroke adjusting screws and plate. This genuine Shimano component guarantees reliable performance and durability for your rear mech. Designed specifically for the RD-R9250 model, these replacement parts maintain optimal transmission function and smooth gear transitions. Easy...
                                      £3.77
                                      £3.99
                                      £3.77
                                      Save £0.22
                                    • Shimano Rd-R9250 Pulley Set Spares & Accessories

                                        Shimano Dura-Ace RD-R9250 Rear Derailleur Pulley Set Genuine Replacement Parts

                                        Enhance your Shimano Dura Ace RD-R9250 rear derailleur with this genuine pulley set, designed to maintain optimal shifting precision. Regular replacement of these pulley wheels ensures smooth transmission and prolongs the lifespan of your drivetrain. Crafted specifically for the RDR9250, this set guarantees perfect...
                                        £36.45
                                        £44.99
                                        £36.45
                                        Save £8.54
                                      • Shimano RD-R9250 B-Axle spare part for direct mount rear derailleur, close-up of bicycle component in black and silver.

                                          Shimano RD-R9250 B-Axle 2 Spare for Direct Mount Rear Derailleur Replacement

                                          Upgrade your bike's performance with the Shimano Spares RD-R9250 B-axle 2, designed specifically for direct mount rear mechs. This genuine Shimano component ensures a perfect fit and reliable durability. Easy to install and built to last, it maintains smooth transmission and optimal shifting precision,...
                                          £5.65
                                          £5.99
                                          £5.65
                                          Save £0.34
                                        • Shimano RD-RX812 rear derailleur stabilizer unit replacement part for smooth bike shifting, compatible with Shimano components.Shimano RD-RX812 rear derailleur stabilizer unit for smooth shifting, replacement component for bike drivetrain system.

                                            Shimano RD-RX812 Rear Derailleur Stabilizer Unit Replacement Part for Smooth Shifting

                                            The Shimano Spares RD-RX812 stabilizer unit ensures smooth and reliable rear derailleur performance. This genuine Shimano replacement part is designed for optimal transmission function and durability. Easy to install, it restores precise gear shifting and reduces chain slap for a quieter ride, making it...
                                            £9.44
                                            £9.99
                                            £9.44
                                            Save £0.55
                                          • Shimano RD-RX812 rear derailleur outer plate assembly, bike component replacement part showing metal construction and mounting points.Shimano RD-RX812 rear derailleur outer plate assembly for bike components, showing the replacement part with mounting holes.

                                              Shimano RD-RX812 Rear Derailleur Outer Plate Assembly Replacement Part

                                              The Shimano Spares RD-RX812 outer plate assembly is a genuine replacement part designed to maintain optimal performance of your rear mech. Built with precision, it ensures smooth and reliable gear shifting for your bike. What It’s Good For Restoring the functionality of your Shimano...
                                              £12.28
                                              £12.99
                                              £12.28
                                              Save £0.71
                                            • Shimano RD-RX812 rear derailleur cable fixing bolt and plate replacement component for bike gear shifting.Shimano RD-RX812 rear derailleur cable fixing bolt and plate replacement component for bicycle gear systems.

                                                Shimano RD-RX812 Rear Derailleur Cable Fixing Bolt and Plate Replacement Part

                                                Ensure smooth shifting with the Shimano RD-RX812 cable fixing bolt and plate, designed for precise rear mech adjustments. This genuine Shimano component guarantees durability and perfect fit. What It’s Good For Reliable cable fixing for consistent gear performance Compatible with Shimano rear mechs for...
                                                £1.88
                                                £1.99
                                                £1.88
                                                Save £0.11
                                              • Shimano Spares RD-RX812 rear derailleur P-cover unit, replacement component for bicycle drivetrain.Shimano Spares RD-RX812 rear derailleur P-Cover unit, bike component replacement part with detailed metal finish and mounting area.

                                                  Shimano Spares RD-RX812 P-Cover Unit Rear Derailleur Replacement Part

                                                  The Shimano Spares RD-RX812 P-cover unit is a genuine replacement part designed to keep your rear mech functioning smoothly. Built with precision, it ensures reliable transmission performance. Durable and easy to install, this component helps maintain the integrity of your Shimano drivetrain, extending the...
                                                  £4.71
                                                  £4.99
                                                  £4.71
                                                  Save £0.28
                                                • Shimano RD-RX810 rear derailleur stabilizer unit replacement part, bike component for smooth gear shifting.Shimano RD-RX810 rear derailleur stabilizer unit, replacement component for bike derailleur, shown on a white background.

                                                    Shimano RD-RX810 Rear Derailleur Stabilizer Unit Replacement Part

                                                    The Shimano Spares RD-RX810 stabilizer unit ensures smooth and precise rear derailleur performance. This genuine Shimano component enhances gear stability during rides. Designed specifically for Shimano transmissions, it offers reliable durability and compatibility with your existing setup. A perfect replacement to maintain optimal shifting...
                                                    £9.44
                                                    £9.99
                                                    £9.44
                                                    Save £0.55
                                                  • Shimano RD-RX810 rear derailleur pulley bolt set, genuine replacement spares for Shimano bike components.Shimano RD-RX810 rear derailleur pulley bolt set for bicycle components, genuine Shimano spare parts.

                                                      Shimano RD-RX810 Rear Mech Pulley Bolt Set Genuine Replacement Spares

                                                      The Shimano Spares RD-RX810 pulley bolt set offers precise fit and reliable performance for your rear mech. Designed as a genuine Shimano replacement, it ensures optimal transmission function. Made to strict quality standards, this set helps maintain smooth shifting and prolongs the life of...
                                                      £1.88
                                                      £1.99
                                                      £1.88
                                                      Save £0.11
                                                    • Shimano RD-RX810 GS outer plate assembly for rear derailleur replacement, showing the component's detailed metal construction.Shimano RD-RX810 GS rear derailleur outer plate assembly for bike components, replacement part for Shimano Spares.

                                                        Shimano RD-RX810 GS Outer Plate Assembly Replacement for Rear Derailleur

                                                        Upgrade your bike’s performance with the Shimano Spares RD-RX810 outer plate assembly GS. This genuine Shimano component ensures smooth and reliable rear mech operation. Designed for easy replacement, it restores your transmission’s precision and durability, helping maintain optimal shifting performance on every ride. What...
                                                        £12.28
                                                        £12.99
                                                        £12.28
                                                        Save £0.71
                                                      • Shimano RD-RX810 switch lever unit and fixing plate replacement component for bike gear shifters.Shimano RD-RX810 switch lever unit and fixing plate replacement component for bicycle gear shifters, durable and precise.

                                                          Shimano RD-RX810 Switch Lever Unit and Fixing Plate Replacement Part

                                                          Upgrade or repair your bike's shifting system with the genuine Shimano RD-RX810 switch lever unit and fixing plate. Designed for smooth and reliable gear changes. This Shimano component ensures precise rear mech control, enhancing your transmission's performance for a seamless ride every time. What...
                                                          £1.88
                                                          £1.99
                                                          £1.88
                                                          Save £0.11
                                                        • Shimano Rd-Rx810 P-Cover Unit Spares & AccessoriesShimano Spares RD-RX810 P-cover unit | Swinnerton Cycles

                                                            Shimano Spares RD-RX810 Rear Mech P-Cover Unit Genuine Replacement Part

                                                            The Shimano Spares RD-RX810 P-cover unit ensures reliable protection for your rear mech. Crafted as a genuine replacement part, it guarantees perfect fit and durability. Designed specifically for Shimano transmission systems, this cover unit helps maintain smooth shifting performance and extends the life of...
                                                            £4.71
                                                            £4.99
                                                            £4.71
                                                            Save £0.28
                                                          • Shimano GRX RX810 rear derailleur pulley set, genuine replacement components for smooth shifting in gravel bike racing.Shimano GRX RX815 rear derailleur pulley set showcasing genuine replacement components for bike gear shifting.

                                                              Shimano GRX RD-RX815 RX810 Rear Derailleur Pulley Set Genuine Replacement Parts

                                                              Maintain peak performance of your Shimano GRX RD-RX815 or RD-RX810 rear derailleur with this genuine pulley set. Designed as a direct replacement, it ensures smooth and precise shifting by restoring optimal tension. Regularly updating your pulley wheels helps avoid wear-related issues and prolongs the...
                                                              £16.20
                                                              £19.99
                                                              £16.20
                                                              Save £3.79
                                                            • Shimano RD-M7100 P-Cover unit replacement part for rear derailleur, Shimano spare components, close-up of the derailleur cover.Shimano RD-M7100 derailleur P-cover unit replacement part for rear derailleur components, shown on a white background.

                                                                Shimano RD-M7100 P-Cover Unit Replacement Part for Rear Derailleur Spares

                                                                The Shimano Spares RD-M7100 P-cover unit is an essential genuine replacement part designed for durability and precision. Perfectly fits your Shimano rear mech to maintain smooth shifting and reliable performance. What It’s Good For Restoring your RD-M7100 rear mech to optimal condition Ensuring consistent...
                                                                £3.77
                                                                £3.99
                                                                £3.77
                                                                Save £0.22
                                                              Recently Viewed Products

                                                              Extend the life of your rear derailleur with our range of rear mech spares at Swinnerton Cycles. From jockey wheels and B-tension screws to hanger bolts and cable anchor hardware, we stock the small parts that keep your shifting precise. Browse our full Rear Mech collection and explore Jockey Wheels, Bike Hangers, and Cables.

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