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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  • M Part quick release bike seat clamp, 28.6mm, black satin finish, for securing bike seatposts, component for cycling bikes.M Part quick release bike seat clamp, 28.6mm, black satin finish, for securing bike seatposts with easy release mechanism

      M Part Quick Release Seat Clamp 28.6mm for Bike Seatpost, Black Satin Finish

      The M Part Quick Release Seat Clamp 34.9 mm offers a reliable and stylish solution for securing your seatpost with ease. Crafted from high-quality 6061 alloy and heat-treated for enhanced durability, this clamp combines strength with a sleek satin black finish for a professional...
      £9.66
      £12.99
      £9.66
      Save £3.33
    • M Part quick release seat clamp in black satin finish for 28.6mm seat tube, 31.8mm diameter, bicycle componentM Part quick release seat clamp in black satin finish, 31.8mm size for 28.6mm seat tubes, bicycle component accessory.

        M Part Quick Release Seat Clamp 31.8mm for 28.6mm Seat Tube, Black Satin Finish

        The M Part Quick Release Seat Clamp 31.8 mm combines durability with sleek design. Crafted from high-quality 6061 alloy and heat treated for added strength, it ensures a secure fit for your seatpost. Its satin black finish adds a refined touch to your bike....
        £9.66
        £12.99
        £9.66
        Save £3.33
      • Black M Part quick release seat clamp for 28.6 mm bike seats, easy tool-free adjustment for secure fitting.M Part Quick release seat clamp 28.6 mm, black | Swinnerton Cycles

          M Part Quick Release Seat Clamp 28.6 mm Black – Tool-Free Bike Seat Adjustments

          The M Part Quick Release Seat Clamp 28.6 mm combines durability and style for effortless seat adjustments. Crafted from premium 6061 alloy and heat treated, it ensures extra strength and reliability. Its satin black finish adds a sleek, high-quality touch to your bike. Designed...
          £9.66
          £12.99
          £9.66
          Save £3.33
        • Black M Part Threadsaver seat clamp for 34.9 mm bike seatposts, durable component for secure bike seat fitting.Black M Part Threadsaver 34.9 mm bike seatpost clamp, durable components for secure bike seat attachment.

            M Part Threadsaver Seat Clamp 34.9 mm Black – Durable Bike Seatpost Clamp

            The M Part Threadsaver seat clamp 34.9 mm in black is designed for durability and performance. Its rotating thread insert minimizes the risk of thread damage and bent bolts, ensuring long-lasting reliability. Crafted from black anodised aluminium alloy with stainless steel hardware, it offers...
            £6.67
            £8.99
            £6.67
            Save £2.32
          • M Part Threadsaver seat clamp in black anodised with rotating thread insert, designed for 28.6mm bike seat posts.Black anodised M Part Threadsaver seat clamp with 28.6mm size and rotating thread insert, designed for bike components.

              M Part Threadsaver Seat Clamp 28.6mm with Rotating Thread Insert, Black Anodised

              The M Part Threadsaver seat clamp 28.6 mm offers a precise and reliable solution for securing your seatpost. Crafted from black anodised aluminium alloy with stainless steel hardware, it combines durability with a sleek, lightweight design. Its innovative rotating thread insert prevents damage and...
              £6.67
              £8.99
              £6.67
              Save £2.32
            • Black M Part seat clamp mount with 31.8mm diameter and M5 rack bosses for bike components and secure seat post attachment.Black M Part seat clamp mount for 31.8mm bike seat posts with M5 rack bosses, suitable for bike component upgrades.

                M Part Seat Clamp Mount 31.8mm Black with M5 Rack Bosses for Bikes

                The M Part Seat Clamp Mount 31.8 mm in black is designed for versatility and durability. Its rear features 2 x M5 bosses for secure rack attachment, making it perfect for bikes without traditional rack mounts. With four internal diameter options, it fits most...
                £9.66
                £12.99
                £9.66
                Save £3.33
              • KS Suspension Air-8 dropper post pump spares and accessories for precise air pressure adjustment and maintenance.

                  KS Suspension Air-8 Dropper Post Pump Spares & Accessories for Precise Air Pressure

                  Reliable high-pressure pump designed for KS Suspension dropper posts. Ensures precise air pressure up to 300 p.s.i. for optimal performance. What It’s Good For Maintaining and adjusting dropper post air pressure accurately Compatible with KS Suspension Air-8 models Easy to use and durable for...
                  £49.99
                  £49.99
                • KS Suspension dropper post remote lever for drop bar bikes, left-hand component for bike dropper suspension systems.

                    KS Suspension Dropper Spares & Accessories for Drop Bar Bikes, Left-Hand Remote Lever

                    The KS Suspension Dropper Spares Kg Drop Spares & Accessories offer an innovative solution for riders seeking precise control and ergonomic comfort on drop-bar bikes. Designed specifically for gravel, cyclocross, and touring setups, this dropper remote lever enhances your bike's functionality by providing seamless...
                    £59.99
                    £59.99
                  • KS Suspension Ultralight Dropper Post Cable Kit components for bike dropper seat post maintenance and replacement.

                      KS Suspension Ultralight Dropper Post Cable Kit Spares & Accessories

                      Upgrade your dropper post with the KS Suspension ultralight cable kit. Designed for smooth and reliable performance, this kit ensures precise seatpost control on every ride. Crafted with durable materials, it offers long-lasting functionality while keeping weight to a minimum. Ideal for those seeking...
                      £29.99
                      £29.99
                    • Sdg Tellis Adjustable Dropper Remote Lever W/I-Spec Ev Mount & Hardware Spares & AccessoriesSdg Tellis Adjustable Dropper Remote Lever W/I-Spec Ev Mount & Hardware Spares & Accessories | Swinnerton Cycles

                        SDG Tellis Adjustable Dropper Remote Lever with I-Spec EV Mount & Hardware Spares

                        The SDG Tellis Adjustable Dropper Remote Lever combines precision and ease with its forged alloy construction and I-Spec EV mount. Designed for smooth, featherlight thumb actuation, it enhances your control while riding. Compatible with various dropper posts, this lever offers reliable performance and easy...
                        £61.41
                        £69.99
                        £61.41
                        Save £8.58
                      • Sdg Tellis Adjustable Dropper Remote Lever Matchmaker Fuel Spares & AccessoriesSdg Tellis Adjustable Dropper Remote Lever Matchmaker Fuel Spares & Accessories | Swinnerton Cycles

                          SDG Tellis Adjustable Dropper Remote Lever Matchmaker for Fuel Spares & Accessories

                          The SDG Tellis Adjustable Dropper Remote Lever offers precise control with its light action, forged alloy design. Its matchmaker mount ensures seamless integration with your bike’s handlebars, providing a sleek and efficient setup. Engineered for durability and smooth operation, this lever enhances your riding...
                          £52.60
                          £59.95
                          £52.60
                          Save £7.35
                        • Sdg Tellis Adjustable Dropper Remote Lever Matchmaker Black Spares & AccessoriesSdg Tellis Adjustable Dropper Remote Lever Matchmaker Black Spares & Accessories | Swinnerton Cycles

                            SDG Tellis Adjustable Dropper Remote Lever Matchmaker Compatible Spares & Accessories

                            Experience smooth control with the SDG Tellis Adjustable Dropper Remote Lever. Crafted from forged alloy, this lightweight lever offers precise thumb actuation, ensuring effortless adjustments on the trail. Its matchmaker compatibility simplifies your setup by integrating seamlessly with your handlebars. Designed for versatility, it...
                            £43.87
                            £49.99
                            £43.87
                            Save £6.12
                          • Pair of SDG Tellis seatpost keyways replacement spares for bicycle components, showing the small metal pieces in the image.SDG Tellis seatpost keyways pack of 2, replacement spares and accessories for bike components.

                              SDG Tellis Seatpost Keyways Pack of 2 Replacement Spares & Accessories

                              Enhance your SDG Tellis seatpost with these keyways for secure fitting. This pack of 2 spares ensures reliable performance and easy maintenance. What It’s Good For Provides a secure, stable connection for seatposts Easy replacement to extend seatpost life Compatible specifically with SDG Tellis...
                              £4.34
                              £4.95
                              £4.34
                              Save £0.61
                            • SDG Tellis 1X dropper seatpost lever spare part, close-up of black bicycle component for dropper post adjustment.SDG Tellis 1X dropper seatpost lever spare and replacement component for mountain bike suspension systems.

                                SDG Tellis 1X Dropper Seatpost Lever Spare & Replacement Accessory

                                The SDG Tellis 1X Seatpost Lever offers reliable performance with a straightforward design that fits seamlessly with various dropper seatposts. Its durable build ensures smooth operation and easy cable attachment directly at the lever for convenience. What It’s Good For Compatible with multiple dropper...
                                £28.92
                                £32.95
                                £28.92
                                Save £4.03
                              • Sdg Tellis Seatpost Lock Nut Tool Spares & AccessoriesSdg Tellis Seatpost Lock Nut Tool Spares & Accessories | Swinnerton Cycles

                                  SDG Tellis Seatpost Lock Nut Tool – Durable Bike Maintenance Accessory Spares

                                  The SDG Tellis Seatpost Lock Nut Tool is designed for precise adjustments and secure fitting. Crafted for durability, it ensures your seatpost stays firmly in place during rides. Its compact design makes it easy to carry and use on the go. Perfect for riders...
                                  £3.47
                                  £3.95
                                  £3.47
                                  Save £0.48
                                • KS Suspension Ether KSSQ seat clamp for ETHER seat masts, CNC aluminum component for bike saddle mounting.KS Suspension Ether KSSQ seat clamp for ETHER seat masts, CNC aluminum bicycle component showing the clamp design.

                                  KS Suspension Ether KSSQ Seat Clamp for ETHER Seat Masts CNC Aluminum - Black

                                  Enhance your KS Suspension setup with the Ether Kssq Seat Clamp, designed to perfectly complement ETHER SEAT MASTS. Crafted from forged and CNC machined 6061 aluminum, it ensures durability and precision. The brass bushing lever cam offers smooth operation and reliable clamping performance, making...
                                  £26.99
                                  £26.99
                                  • Black
                                • KS Suspension KSSC bike seatpost clamp, CNC machined durable component for secure bike seat attachment, shown in the image.CNC machined KS Suspension bike seatpost clamp, durable alloy component with tightening screw, for secure bicycle seat attachment.

                                  KS Suspension Seat Clamps Ether KSSC – Durable Bike Seatpost Clamp, CNC Machined - Black

                                  Crafted from aircraft-grade aluminum alloy, the KS Suspension Seat Clamps Ether Kssc combine strength and lightness with precision CNC machining. These clamps offer a sleek finish that complements your bike's design. Durable and reliable, they ensure secure seatpost positioning while adding a professional touch...
                                  £19.99
                                  £19.99
                                  • Black
                                • ID Quick Release Seat Clamp component for easy seatpost adjustment, showing the metal clamp and quick-release lever.ID quick release seat clamp for easy seatpost adjustment, spare component for bike components, black metal with quick release lever

                                  ID Quick Release Seat Clamp Spare & Accessory for Easy Seatpost Adjustment - Black

                                  Experience effortless seatpost adjustments with the ID Quick Release Seat Clamp. Crafted from forged 6000 series alloy, this lightweight clamp ensures durability without adding bulk. Its sleek design includes a low-profile knurled adjuster and a low friction nylon insert for smooth operation. Designed for...
                                  £6.99
                                  £6.99
                                  • Black
                                • Genetic Carbon SL Superlight seat clamp for road bikes, 31.8mm or 34.9mm, lightweight bike component with sleek black finish.Genetic Carbon SL Superlight seatclamp for road bikes, 31.8mm or 34.9mm, lightweight bike component in black

                                  Genetic Carbon SL Superlight Seatclamp – Road Bike Spares & Accessories 31.8mm/34.9mm - Black

                                  Enhance your road bike’s performance with the Genetic Carbon SL Superlight Seatclamp. Crafted from UD carbon with precision cut-outs, this component offers a sleek, lightweight finish that complements any super-bike. Its alloy pivoting inserts and titanium bolt ensure durability without adding bulk. Available in...
                                  £28.99
                                  £29.99
                                  £28.99
                                  Save £1.00
                                  • Black
                                • Black anodised Dimension seat binder bolt, 6x50mm, for bike components and accessories, shown in close-up.Black Dimension seat binder bolt 6x50mm for bike components, shown in packaging with a focus on the anodised finish.

                                    Dimension Seat Binder Bolt 6x50mm Black Anodised Bike Spare & Accessory

                                    Upgrade your bike with the Dimension Seat Binder Bolt, crafted for durability and style. Featuring a Cr-Mo Allen head bolt with an aluminium cover end and nut, it ensures a secure fit. Its sleek black anodised finish not only looks great but also offers...
                                    £7.99
                                    £7.99
                                  • Dia-Compe Mx1500 seat clamp for 25.4mm seatposts, bicycle component spare and accessory, shown in close-up image.Dia-Compe MX1500 seat clamp for 25.4mm seatposts, showing the black component with two bolts and branding details.

                                    Dia-Compe Mx1500 Seatclamp for 25.4mm Seatposts – Spares & Accessories - Black

                                    The Dia-Compe Mx1500 Seatclamp offers a secure fit for 25.4mm seatposts with its durable two-bolt design. Available in anodised silver, black, gold, red, blue, and powder white, it combines style and strength. This lightweight clamp ensures reliable seatpost support while adding a sleek finish...
                                    from £16.99
                                    from £16.99
                                    • Black
                                    • Blue
                                    • Gold
                                    • Red
                                  • Dia-Compe MX1500N bike seat clamp for 28.6mm tubes with finishing kit, bicycle component part on white backgroundDia-Compe MX1500N bike seat clamp for 28.6mm tubes with finishing kit, showing the component and hardware for bike assembly.

                                    Dia-Compe Mx1500N Seatclamp for 28.6mm Tubes with Finishing Kit - Bike Spare Parts - Blue

                                    The Dia-Compe Mx1500N Seatclamp offers a classic hinged design for secure seatpost fitting. Crafted with precision, it fits 28.6mm tubes perfectly, ensuring stability and ease of adjustment. Durable and reliable, this seatclamp is an essential component for maintaining your bike's comfort and performance. Its...
                                    from £14.99
                                    from £14.99
                                    • Blue
                                    • Red
                                    • Silver
                                    • Black
                                  • Powerplay Q/R Seat Clamp Alloy 28.6 Black Spares & Accessories

                                      Powerplay Quick Release Alloy Seat Clamp 28.6mm Black – Bike Spares & Accessories

                                      The Powerplay Q/R Seat Clamp Alloy 28.6 Black offers a secure and easy-to-use solution for your bike seatpost. Crafted from durable alloy, it ensures reliable performance and long-lasting strength. Designed for quick release functionality, this seat clamp allows fast adjustments without tools, enhancing convenience...
                                      £10.00
                                      £10.00
                                    • Powerplay Allen Key Seat Clamp 28.6 Black Spares & Accessories

                                        Powerplay Allen Key Seat Clamp 28.6mm Black Bike Spare Accessory

                                        The Powerplay Allen Key Seat Clamp 28.6 Black offers a secure and reliable fit for your seatpost. Crafted for durability and ease of use, it ensures your saddle stays firmly in place during every ride. Designed to complement your bike components, this seat clamp...
                                        £8.00
                                        £8.00
                                      • Ritchey Seatpost Spares- Wcs Carbon 1-Bolt Rail Complete Clampsetritchey seatpost spares wcs carbon 1 bolt rail complete clampset p112052

                                        Ritchey WCS Carbon 1-Bolt Rail Seatpost Clampset for Superlogic & WCS Carbon - Black

                                        Upgrade your bike with the Ritchey WCS Carbon 1-Bolt Rail Complete Clampset. Designed for precise adjustment, it fits various saddle rail sizes effortlessly. Crafted for durability and lightweight performance, this clamp kit ensures a secure and reliable connection for your Superlogic and WCS Carbon...
                                        £20.41
                                        £23.99
                                        £20.41
                                        Save £3.58
                                        • Black
                                      • Rock Shox Spare Reverb Ifp Grey (Internal Floating Piston (Qty 1) Reverb/Reverb Stealth A1-C1 Reverb Axs A1 Spares & Accessories

                                          RockShox Reverb IFP Internal Floating Piston Grey Replacement for A1-C1 & AXS Models

                                          Ensure smooth performance with the RockShox Reverb IFP Grey replacement piston. Designed for precise fit in Reverb models, it maintains optimal seatpost function. Crafted as a durable component, this internal floating piston supports consistent hydraulic pressure and reliable operation in your bike's dropper post....
                                          £7.66
                                          £9.00
                                          £7.66
                                          Save £1.34
                                        • Rock Shox Spare Reverb Lever Kit Controller Including Spring And Pin Reverb Axs Spares & Accessories

                                            RockShox Reverb AXS Lever Kit Controller with Spring and Pin Spare Part

                                            Enhance your RockShox Reverb AXS with this genuine lever kit controller, including spring and pin. Designed for smooth, reliable seatpost control, it ensures optimal performance on every ride. Easy to install and built to last, this spare part maintains the precision and responsiveness of...
                                            £44.02
                                            £64.00
                                            £44.02
                                            Save £19.98
                                          • Rock Shox Spare Reverb Service Kit 600 Hour/3 Year Service (Includes Ifp Sealhead Assembly And Collar Assembly; Requires Oil Height Tool & Ifp Height Tool) Reverb Stealth C1 Spares & Accessories

                                              RockShox Reverb Stealth C1 Service Kit 600 Hour 3 Year with IFP Sealhead Collar Assembly

                                              Keep your RockShox Reverb Stealth C1 seatpost performing at its best with this comprehensive 600-hour/3-year service kit. It includes essential components like the IFP, sealhead assembly, and collar assembly to ensure smooth, reliable operation. Designed for easy maintenance, this kit helps extend the life...
                                              £60.86
                                              £83.00
                                              £60.86
                                              Save £22.14
                                            • RockShox Reverb AXS Service Kit for 600-hour/3-year maintenance, including IFP and sealhead assembly, for bike components.

                                                RockShox Reverb AXS Service Kit - 600 Hour/3 Year Maintenance with IFP & Sealhead Assembly

                                                Maintain your RockShox Reverb AXS with this comprehensive service kit designed for a 600-hour or 3-year interval. It includes the IFP, sealhead assembly, and top cap assembly for optimal performance. Ensure smooth, reliable operation and extend the lifespan of your seatpost by using this...
                                                £60.86
                                                £83.00
                                                £60.86
                                                Save £22.14
                                              • Rock Shox Reverb Stealth B1 1X Remote 31.6Mm 125Mm Travel 390Mm Long (Left/Below) 2000Mm Connectamajig (Includes Bleed Kit With Bleeding Edge Discrete & Matchmaker X Mount) B1 Spares & Accessories

                                                  Rock Shox Reverb Stealth B1 1X Remote Dropper Post Lever 31.6mm 125mm Travel with Bleed Kit

                                                  The Rock Shox Reverb Stealth B1 1X Remote is engineered for riders seeking unparalleled control and ease of use on the trail. Combining SRAM’s renowned shifter ergonomics with a low-lever-force hydraulic system, this remote delivers smooth, precise actuation that enhances your dropper post experience....
                                                  £328.00
                                                  £328.00
                                                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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