Bike Seatpost Spares & Accessories

Seatpost Spares & Accessories at Swinnerton CyclesKeep your seatpost and dropper post in perfect working order with our range of seatpost spares and accessories at Swinnerton Cycles. From shims and clamp ears to saddle clamp hardware and remote lever kits, we stock the components needed to maintain and adapt your...

Seatpost Spares & Accessories at Swinnerton Cycles

Keep your seatpost and dropper post in perfect working order with our range of seatpost spares and accessories at Swinnerton Cycles. From shims and clamp ears to saddle clamp hardware and remote lever kits, we stock the components needed to maintain and adapt your seatpost setup. Seatpost shims are particularly useful when upgrading frames or seatposts with different diameter requirements. We stock seatpost spares from Cane Creek, Trek, Bontrager, and other leading brands. Browse our full Bike Seating collection and explore Dropper Seatposts and Standard Seatposts.

Popular Seatpost Spares

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  • Fox Transfer Neo Rebuild Seal Kit for 30.9, 31.6, and 34.9mm seatposts, components replacement parts for Fox bike suspension seatsFox Transfer Neo Rebuild Seal Kit for 30.9, 31.6, 34.9mm seatposts, bike suspension components, repair and maintenance parts

    Fox Transfer Neo Rebuild Seal Kit F-S / P-SE for 30.9, 31.6 & 34.9mm Seatposts

    The Fox Transfer Neo Rebuild F-S / P-SE Seal Kit 2025 is designed to restore your seatpost’s performance with precision and reliability. Compatible with 30.9, 31.6, and 34.9mm seatposts, this kit includes high-quality seals and components to ensure smooth operation and long-lasting durability. Whether...
    £113.35
    £119.95
    £113.35
    Save £6.60
  • Fox Seatpost Upper Saddle ClampFox Seatpost Upper Saddle Clamp | Swinnerton Cycles

      Fox Seatpost Upper Saddle Clamp for DOSS Seatposts – Secure Fit & Adjustable

      The Fox Seatpost Upper Saddle Clamp ensures a secure fit for your saddle, enhancing stability and comfort. Crafted for durability, it integrates seamlessly with Fox seatposts to maintain optimal performance. What It’s Good For Providing a reliable connection between saddle and seatpost Maintaining saddle...
      £11.81
      £12.50
      £11.81
      Save £0.69
    • Fox Seatpost Pulley Narrow MoldedFox Seatpost Pulley Narrow Molded | Swinnerton Cycles

        Fox Seatpost Pulley Narrow Molded Cable Routing Component for Smooth Performance

        The Fox Seatpost Pulley Narrow Molded offers precise, smooth cable routing for your seatpost. Designed for durability and easy installation, it ensures optimal performance on every ride. Crafted by Fox, this component fits seamlessly into your bike's setup, enhancing your seatpost's reliability and response....
        £2.37
        £2.50
        £2.37
        Save £0.13
      • SDG Spares & Accessories - Tellis Seatpost Upper Tube with M6 Screw SetSDG Tellis Seatpost Upper Tube with M6 Screw Set 34.9mm x 200mm | Swinnerton Cycles

          SDG Tellis Seatpost Upper Tube 34.9mm x 200mm with M6 Screw Set Replacement Kit

          Upgrade your bike with the SDG Tellis Seatpost Upper Tube, designed for durability and precision. This 34.9mm x 200mm upper tube comes complete with an M6 screw set, ensuring secure installation. Crafted by SDG, it offers reliable performance and seamless compatibility with your seatpost...
          £61.38
          £69.95
          £61.38
          Save £8.57
        • Rock Shox Spares & Accessories - Reverb Spare, Inner Seal Head (Includes Seal Head With Bushings O-Rings Wiper Seal Retaining Ring), Reverb B1(2017)Rock Shox Spares & Accessories - Reverb Spare, Inner Seal Head (Includes Seal Head With Bushings O-Rings Wiper Seal Retaining Ring), Reverb B1(2017)

          RockShox Reverb B1 (2017) SeatPost Inner Seal Head Replacement Kit Spare Parts

          The RockShox Spare SeatPost Inner Seal Head offers a precise fit with all necessary components including bushings, o-rings, and a wiper seal. Designed for the Reverb B1 (2017), it ensures smooth performance and longevity. Maintain optimal seatpost function with this genuine RockShox finishing kit,...
          from £28.54
          £40.00
          from £28.54
          Save £11.46
        • Race Face Spares & Accessories - Affect R Dropper Cartridge KitRace Face Spares & Accessories - Affect R Dropper Cartridge Kit | Swinnerton Cycles

          Race Face Affect R Dropper Post Cartridge Kit Replacement & Accessories

          Upgrade your Race Face †ffect R dropper post with this essential cartridge kit. Designed for seamless compatibility, it ensures smooth operation and extends the life of your seatpost. Easy to install and maintain, this kit offers reliable performance for every ride. Keep your dropper...
          £59.49
          £69.95
          £59.49
          Save £10.46
        • SDG Spares & Accessories - Tellis Seatpost Upper Tube with M6 Screw SetSDG Tellis Seatpost Upper Tube with M6 Screw Set 200mm | Swinnerton Cycles

            SDG Tellis Seatpost Upper Tube 200mm with M6 Screw Set for Stability & Fit

            Enhance your bike's performance with the SDG Tellis Seatpost Upper Tube. Designed for durability and precision, it ensures a secure fit with the included M6 screw set. Crafted to complement your setup, this component offers reliable support and easy installation. What It’s Good For...
            £61.38
            £69.95
            £61.38
            Save £8.57
          • SDG Spares & Accessories - Tellis Seatpost Upper Tube with M6 Screw SetSDG Tellis Seatpost Upper Tube with M6 Screw Set 34.9mm x 170mm | Swinnerton Cycles

              SDG Tellis Seatpost Upper Tube 34.9mm x 170mm with M6 Screw Set for Bikes

              Upgrade your bike with the SDG Tellis Seatpost Upper Tube, designed for durability and precision. This 34.9mm x 170mm component ensures a secure fit and smooth adjustment. Included with the M6 screw set, it offers easy installation and reliable performance. Perfect for riders seeking...
              £61.38
              £69.95
              £61.38
              Save £8.57
            • SDG Spares & Accessories - Tellis Seatpost Upper Tube with M6 Screw SetSDG Tellis Seatpost Upper Tube with M6 Screw Set 170mm | Swinnerton Cycles

                SDG Tellis Seatpost Upper Tube 170mm with M6 Screw Set for Bike Upgrade

                Upgrade your bike with the SDG Tellis Seatpost Upper Tube and M6 Screw Set. This durable component ensures a secure and smooth seatpost adjustment for enhanced riding comfort. Crafted with precision, it fits seamlessly and offers reliable performance for your cycling needs. What It’s...
                £61.38
                £69.95
                £61.38
                Save £8.57
              • Cane Creek Thudglove suspension cover made of black neoprene, designed to protect parallelogram spare components and accessories.Cane Creek Thudglove suspension cover made of black neoprene, designed to protect parallelogram bike components and spares.

                  Cane Creek Thudglove Suspension Cover Neoprene Protector for Parallelogram Spares & Accessories

                  The Cane Creek Thudglove is a neoprene cover designed to fit snugly over your suspension’s parallelogram. It secures with velcro, offering reliable protection from dirt and moisture in harsh weather conditions. This finishing kit helps maintain smooth suspension performance by shielding critical components from...
                  £14.90
                  £16.99
                  £14.90
                  Save £2.09
                • Cane Creek Thudbuster ST elastomer replacement parts for suspension tuning, showing different elastomer components on a plain background.Cane Creek Thudbuster ST elastomer replacement parts for suspension tuning, showing different elastomer components for bike shock adjustment.

                    Cane Creek Thudbuster ST Elastomers Replacement Parts for Suspension Tuning

                    Upgrade your Cane Creek Thudbuster ST suspension with these high-quality elastomers, designed to optimize comfort and performance. Available in a range of firmness levels, they allow you to customize your ride to suit varying terrain and rider weight. The elastomers now come in black...
                    from £7.01
                    £7.99
                    from £7.01
                    Save £0.98
                  • SDG Spares & Accessories - Tellis Seatpost Upper Tube with M6 Screw SetSDG Tellis Seatpost Upper Tube with M6 Screw Set 125mm | Swinnerton Cycles

                      SDG Tellis Seatpost Upper Tube 125mm with M6 Screw Set – Durable Bike Part

                      Upgrade your bike with the SDG Tellis Seatpost Upper Tube, designed for durability and smooth performance. This 125mm tube includes an M6 screw set for easy installation and secure fitting. Perfect for those seeking reliable seatpost components that blend seamlessly with your setup. Crafted...
                      £57.87
                      £65.95
                      £57.87
                      Save £8.08
                    • SDG Spares & Accessories - Tellis Seatpost Upper Tube with M6 Screw SetSDG Tellis Seatpost Upper Tube with M6 Screw Set 34.9mm x 150mm | Swinnerton Cycles

                        SDG Tellis Seatpost Upper Tube 34.9mm x 150mm with M6 Screw Set for Bike Seatposts

                        The SDG Tellis Seatpost Upper Tube offers durability and precise fit with its 34.9mm diameter and 150mm length. Designed for smooth seatpost adjustments, it includes a reliable M6 screw set for secure installation. What It’s Good For Ensures a perfect fit for 34.9mm seatposts...
                        £56.99
                        £64.95
                        £56.99
                        Save £7.96
                      • SDG Spares & Accessories - Tellis Seatpost Upper Tube with M6 Screw SetSDG Tellis Seatpost Upper Tube with M6 Screw Set 34.9mm x 125mm | Swinnerton Cycles

                          SDG Tellis Seatpost Upper Tube 34.9mm x 125mm with M6 Screw Set for Bikes

                          Upgrade your bike with the SDG Tellis Seatpost Upper Tube, designed for durability and precision. The 34.9mm x 125mm size ensures compatibility with various frames, while the included M6 screw set provides a secure fit. Crafted with quality materials, this seatpost upper tube enhances...
                          £56.99
                          £64.95
                          £56.99
                          Save £7.96
                        • SDG Spares & Accessories - Tellis Seatpost Upper Tube with M6 Screw SetSDG Tellis Seatpost Upper Tube with M6 Screw Set 34.9mm x 100mm | Swinnerton Cycles

                            SDG Tellis Seatpost Upper Tube 34.9mm x 100mm with M6 Screw Set for Bikes

                            The SDG Tellis Seatpost Upper Tube offers a robust design for reliable performance. Crafted with precision, it fits 34.9mm frames perfectly and includes a durable M6 screw set for secure installation. Ideal for riders seeking quality components, this upper tube enhances seatpost durability and...
                            £56.99
                            £64.95
                            £56.99
                            Save £7.96
                          • SDG-Spares-&-Accessories---Tellis-Seatpost-Lower-TubeSDG Tellis Seatpost Lower Tube | Swinnerton Cycles

                            SDG Tellis Seatpost Lower Tube Replacement Part for Smooth Adjustment

                            Upgrade your bike with the SDG Tellis Seatpost Lower Tube for durable performance. Designed to fit perfectly, it ensures smooth seatpost movement and reliable support. Crafted by SDG, this component offers excellent compatibility and long-lasting durability, making it an essential spare part for your...
                            £35.06
                            £39.95
                            £35.06
                            Save £4.89
                          • KS Suspension Southpaw alloy universal underbar remote dropper lever for SRAM Matchmaker X, shown mounted on bike handlebar.

                              KS Suspension Southpaw-Alloy Universal Underbar Remote Dropper Lever SRAM Matchmaker X - Black

                              The KS Suspension Southpaw-Alloy is a premium universal alloy underbar remote dropper lever designed to seamlessly integrate with SRAM Matchmaker X systems. Its ergonomic design ensures a comfortable and secure grip, tailored specifically for 1x drivetrain setups. Crafted with precision, this remote lever combines...
                              £49.99
                              £49.99
                              • Black
                            • KS Suspension Southpaw Alloy Under Bar Remote Dropper Lever for SRAM Matchmaker X, shown attached to bike handlebar.

                                KS Suspension Southpaw-Alloy Under Bar Remote Dropper Lever for SRAM Matchmaker X - Black

                                The KS Suspension Southpaw-Alloy is a traditional alloy under bar remote dropper lever designed specifically for SRAM Matchmaker X systems. Engineered to deliver precise control and a secure feel, this remote lever offers a sleek and ergonomic design that seamlessly integrates with modern bike...
                                £49.99
                                £49.99
                                • Black
                              • KS Suspension Southpaw-Alloy universal underbar remote dropper lever for Shimano I-Spec II, shown on a mountain bike handlebar.

                                  KS Suspension Southpaw-Alloy Universal Underbar Remote Dropper Lever Shimano I-Spec II - Black

                                  The KS Suspension Southpaw-Alloy remote lever sets a new standard for underbar dropper post controls, combining precision engineering with sleek design. Crafted specifically for 1x drivetrain setups, this lever offers an intuitive and secure operation without unnecessary bulk or complexity. Its ergonomic shape fits...
                                  £49.99
                                  £49.99
                                  • Black
                                • KS Suspension Southpaw-Alloy remote dropper lever for Shimano I-Spec II bikes, featuring durable alloy construction and ergonomic design.

                                    KS Suspension Southpaw-Alloy Remote Dropper Lever for Shimano I-Spec II Bikes - Black

                                    The KS Suspension Southpaw-Alloy remote lever is a top choice for riders seeking precise control in their 1x drivetrain setups. Crafted with a focus on simplicity and performance, this traditional alloy lever offers a secure, intuitive feel without unnecessary bulk. Its ergonomic design seamlessly...
                                    £49.99
                                    £49.99
                                    • Black
                                  • Light Blue single bolt bike seat clamp with M5 twin rack mount points, showcasing its sleek light blue finish and durable metal construction.Light Blue single bolt bike seat clamp with M5 twin rack mount points, made of durable components for bicycle accessories.

                                    Light Blue Single Bolt Seatclamp with M5 Twin Rack Mount Points - Bike Accessory - Black

                                    Enhance your bike’s versatility with the Light Blue Single Bolt Seatclamp. Crafted from anodised 6061 alloy, this seatclamp offers durable and reliable support. Its M6 Cr-Mo tightening bolt ensures a secure fit, while integrated M5 twin rack mount points provide easy attachment for rear...
                                    £7.99
                                    £7.99
                                    • Black
                                  • Hope Seat Clamp Nut QR - SilverHope Seat Clamp Nut QR - Silver | Swinnerton Cycles

                                      Hope Seat Clamp Nut Quick Release QR Silver – Secure Seatpost Fastening

                                      The Hope Seat Clamp Nut QR in Silver offers a reliable and stylish solution for securing your seatpost. Crafted with precision, it ensures a firm hold while adding a sleek finish to your bike. Perfect for those looking to replace or upgrade their seat...
                                      £2.30
                                      £2.30
                                    • KS Suspension Southpaw Dropper Spares carbon fiber lever kit for 1x dropper post setups, featuring lightweight, durable components.

                                        KS Suspension Southpaw Dropper Spares Carbon Fiber Lever Kit for 1x Setups - Black

                                        Experience precision and reliability with the KS Suspension Southpaw Dropper Spares in Carbon. Designed for dedicated 1x underbar setups, this finishing kit offers a perfect blend of lightweight construction and ergonomic efficiency. Crafted to complement modern cockpit designs, the Southpaw remote ensures a secure...
                                        £69.99
                                        £69.99
                                        • Black
                                      • ID Components XL seatpost shim for 27.2mm seatposts, compatible with Identiti frames, used to ensure proper fit and secure mounting.ID Spares & Accessories XL seatpost shim for 27.2mm seatposts, compatible with Identiti bike frames, made by ID.

                                        ID Spares & Accessories XL Seatpost Shim for 27.2mm Seatposts, Compatible with Identiti Frames - Black

                                        Upgrade your bike with the ID Spares & Accessories XL Seatpost Shim, designed for a perfect fit with 27.2mm seatposts. Crafted from CNC alloy, it ensures durability and a sleek finish. Measuring 100mm long, this shim is ideal for Identiti Krisis, Dr Jekyll, and...
                                        £7.99
                                        £7.99
                                        • Black
                                      • Placeholder image

                                        Cane Creek Thudbuster Suspension Seatpost Parts, Spares & Accessories

                                        Maintain your Cane Creek Thudbuster suspension seatpost with genuine replacement parts designed for durability and precise fit. Each component, from the M5 bolt to the barrel nut and clamps, ensures your seatpost performs smoothly and reliably over time. These spares and accessories help extend...
                                        from £3.00
                                        from £3.00
                                      • Sdg Tellis Seatpost Actuator Assembly Spares & AccessoriesSdg Tellis Seatpost Actuator Assembly Spares & Accessories | Swinnerton Cycles

                                          SDG Tellis Seatpost Actuator Assembly with Cartridge Lock Nut Tool Spares & Accessories

                                          The SDG Tellis Seatpost Actuator Assembly offers reliable performance for your bike. Designed for easy maintenance, it includes a cartridge lock nut tool for smooth adjustments. Crafted to fit perfectly with SDG seatposts, it ensures durability and precise control. What It’s Good For Maintaining...
                                          £10.48
                                          £11.95
                                          £10.48
                                          Save £1.47
                                        • Sdg Tellis Seatpost Seal Collar Bushing & Keyway Assembly Spares & AccessoriesSdg Tellis Seatpost Seal Collar Bushing & Keyway Assembly Spares & Accessories | Swinnerton Cycles

                                            SDG Tellis Seatpost Seal Collar, Bushing & Keyway Assembly Replacement Kit

                                            Restore the smooth performance of your SDG Tellis seatpost with this complete seal collar, bushing, and keyway assembly. Designed to maintain optimal function, it ensures durability and precise fit. Built with high-quality materials, this finishing kit keeps your seatpost operating quietly and smoothly, extending...
                                            £14.87
                                            £16.95
                                            £14.87
                                            Save £2.08
                                          • Sdg Tellis Seatpost Igus Bushing Spares & AccessoriesSdg Tellis Seatpost Igus Bushing Spares & Accessories | Swinnerton Cycles

                                              SDG Tellis Dropper Seatpost IGUS Bushing Spares & Accessories for Smooth Performance

                                              Enhance your SDG Tellis Dropper Seat Post with ultra-smooth, self-lubricating IGUS bushings. Designed for durability and seamless performance, these spares ensure your seatpost operates quietly and efficiently. Easy to install and built to last, they reduce friction and maintenance needs, keeping your ride smooth...
                                              £4.34
                                              £4.95
                                              £4.34
                                              Save £0.61
                                            • SDG Tellis V2 actuator assembly for dropper seatpost, showing components and hardware for replacement and repair.SDG Tellis V2 dropper seatpost actuator assembly showing metal components and cable connection for bicycle dropper seatpost repair

                                              SDG Tellis V2 Actuator Assembly for Dropper Seatposts Spares & Accessories

                                              The SDG Tellis V2 Actuator Assembly offers seamless compatibility with 30.9mm, 31.6mm, and 34.9mm Tellis Dropper Seat Posts. Designed for easy installation and reliable performance, it ensures smooth seatpost operation on every ride. Built with durable materials, this actuator assembly enhances your bike's functionality...
                                              £12.25
                                              £13.95
                                              £12.25
                                              Save £1.70
                                            • Sdg Seatpost I-Beam Micro Spares & AccessoriesSdg Seatpost I-Beam Micro Spares & Accessories | Swinnerton Cycles

                                                SDG I-Beam Micro Seatpost with Adjustable Fore-Aft Positioning & Micro Head Clamp

                                                The SDG I-Beam Micro Seatpost offers exceptional adjustability with its wide range of fore and aft positioning. Designed for simplicity, it features a single 5mm bolt that allows quick, hassle-free saddle changes and precise angle adjustments thanks to its innovative micro head design. Crafted...
                                                £56.99
                                                £64.95
                                                £56.99
                                                Save £7.96
                                              Recently Viewed Products

                                              Maintain and upgrade your seatpost setup with our range of seatpost spares and accessories at Swinnerton Cycles. From saddle clamps and collar bolts to dropper post service kits and remote levers, we stock the components needed to keep your seatpost performing at its best. Browse our full Seatposts collection and explore Dropper Seatposts and Bike Saddles.

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