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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  • Pro Dropper Seatpost Protector Spares & AccessoriesPro Dropper Seatpost Protector Spares & Accessories

      PRO Dropper Seatpost Protector Large 150-170mm – Durable Mud & Dirt Shield

      Protect your dropper seatpost with the PRO Dropper Seatpost Protector, designed for sizes 150-170mm. Crafted from durable neoprene with a woven outer skin, it shields your seatpost from mud, dust, debris, and stones, extending its lifespan and reducing maintenance needs. Lightweight and easy to...
      £11.33
      £13.99
      £11.33
      Save £2.66
    • Dt Swiss D 232 One Carbon Dropper Post 60 Mm Drop Spares & Accessoriesdt swiss seatpost d 232 one carbon dropper post 60 mm drop p86273

      DT Swiss D 232 One Carbon Dropper Post 60mm Drop with Remote & Spares

      The DT Swiss D 232 One Carbon Dropper Post redefines lightweight performance for off-road enthusiasts who demand reliability over long distances. Its innovative inverted 60 mm drop design allows for larger internal components, enhancing durability by freeing the external slider from the frame's seat...
      from £283.36
      £474.99
      from £283.36
      Save £191.63
    • Miche Miche Seat Clamp Spares & Accessoriesseatpost miche seat clamp p49356

      Miche Seat Clamp 35.4mm Spare & Accessory for Secure Bike Seatpost Fit

      Upgrade your bike with the Miche Seat Clamp 35.4mm for a secure fit and sleek finish. Designed for durability, it ensures your seatpost stays firmly in place during every ride. Its precise engineering complements Miche seatposts and components, enhancing overall bike performance. Easy to...
      £12.83
      £14.00
      £12.83
      Save £1.17
    • DMR Bikes single bolt grab seat clamp for bike seatpost, durable component spare part with metal finish and secure fastening.DMR Bikes single bolt seat clamp for bike seatpost, spare component, durable metal bike seat clamp, close-up of clamp hardware.

      DMR Bikes Grab Seat Clamp Single Bolt Bike Seatpost Clamp Spare Part - Blue

      The DMR Bikes Grab Seat Clamp is a precisely engineered component designed to provide secure and reliable seatpost fastening for your bike. Crafted with CNC machining technology, this single bolt seat clamp combines durability with a sleek finish, ensuring both performance and style. It...
      from £10.51
      £12.00
      from £10.51
      Save £1.49
      • Grey
      • Green
      • Red
      • Blue
    • Fox Doss Seatpost Tension Shaft Drop Assembly 2013 Spares & Accessoriesfox seatpost spares doss seatpost tension shaft drop assembly 2013 p123708

      Fox Doss Seatpost Tension Shaft Drop Assembly 2013 Replacement Part Spares

      The Fox Doss Seatpost Tension Shaft Drop Assembly 2013 ensures smooth, reliable seatpost performance with durable construction. Designed for easy installation and precise fit, it enhances your bike's comfort and control. What It’s Good For Maintaining optimal seatpost tension Improving seatpost durability and longevity...
      from £23.57
      £24.95
      from £23.57
      Save £1.38
    • Fox Transfer Seatpost Piston Assembly Internal 2018 Spares & Accessoriesfox seatpost spares transfer seatpost piston assembly internal 2018 p123707

      Fox Transfer Seatpost Piston Assembly Internal 2018 Replacement Spares & Accessories

      The Fox Transfer Seatpost Piston Assembly Internal 2018 is a vital replacement component designed for smooth seatpost operation. Crafted by Fox, it ensures optimal performance and longevity for your seatpost system. Compatible with various sizes, this assembly provides reliable functionality and easy installation to...
      £47.21
      £49.95
      £47.21
      Save £2.74
    • Fox Seatpost Transfer CPS 8mm shaft replacement component with multiple drop options, designed for bike suspension systems.Fox Seatpost Transfer CPS 8mm shaft replacement component with multiple drop options, designed for Fox bike seatpost systems.

      Fox Seatpost Transfer CPS 8mm Shaft Replacement Spares & Accessories with Multiple Drop Options

      Upgrade your bike with the Fox Seatpost Transfer CPS 8MM Shaft, designed for durability and smooth performance. This component fits perfectly with Fox seatposts and offers reliable support for your rides. Choose from 4", 5", 6", and 7" drop options to customize your seatpost...
      from £15.36
      £16.25
      from £15.36
      Save £0.89
    • Fox seatpost lower internal cable replacement spare part for mountain bike components, showing the internal cable mechanism.Fox seatpost lower internal cable replacement spares and accessories for 30.9mm diameter, 100mm drop components.

      Fox Seatpost Lower Internal Cable Replacement Spares & Accessories

      The Fox Seatpost Lower Internal Cable ensures smooth and reliable seatpost operation. Designed for easy installation and durability, it fits perfectly with Fox seatposts. Maintain optimal performance by replacing worn cables with this genuine Fox spare, ensuring your ride stays smooth and responsive. What...
      from £53.82
      £56.95
      from £53.82
      Save £3.13
    • Fox Seatpost Upper Post 2018 Spares & Accessoriesfox seatpost spares seatpost upper post 2018 p123495

      Fox Seatpost Upper Post 2018 Replacement Part | Spares & Accessories

      The Fox Seatpost Upper Post 2018 is designed for seamless compatibility with your Fox seatpost system. Crafted with precision, it ensures durability and smooth performance for your ride. Ideal for replacing worn or damaged upper posts, this component maintains the integrity and functionality of...
      £75.56
      £79.95
      £75.56
      Save £4.39
    • Fox Transfer seatpost rod push actuator replacement component for Fox bike seatpost, compatible with CI spares and accessories.Fox Transfer seatpost rod push actuator replacement component for Fox bike suspension seatposts, part number 225-00-162.

      Fox Transfer Seatpost Rod Push Actuator Replacement for CI Spares & Accessories

      The Fox Transfer Seatpost Rod Push Actuator CI delivers precise and reliable performance for your seatpost adjustments. Designed to fit perfectly with Fox Transfer seatposts, it ensures smooth operation every time. Crafted with durability and quality in mind, this actuator is an essential component...
      £5.96
      £6.30
      £5.96
      Save £0.34
    • Fox Seatpost External Cable Ci Rod Push Actuator Spares & AccessoriesFox Seatpost External Cable Ci Rod Push Actuator Spares & Accessories

      FOX Seatpost External Cable CI Rod Push Actuator Spare Part for Smooth Actuation

      Upgrade your bike with the FOX Seatpost External Cable CI Rod Push Actuator, designed for smooth and reliable seatpost control. This component ensures precise actuation for an enhanced riding experience. Compatible with various FOX seatposts, it's an essential spare that maintains optimal performance and...
      £10.58
      £11.20
      £10.58
      Save £0.62
    • Fox Seatpost External Cable Spares & Accessoriesfox seatpost spares seatpost external cable p123490

      Fox Seatpost External Cable Spares & Accessories for Smooth Seatpost Operation

      The Fox Seatpost External Cable Spares & Accessories offer reliable replacement options for your bike. Designed for durability, these cables ensure smooth seatpost operation and long-lasting performance. Available in various sizes, you can easily select the perfect fit for your Fox seatpost, maintaining optimal...
      from £2.37
      £2.50
      from £2.37
      Save £0.13
    • Fox Compression Spring Transfer Sl 2023 Spares & Accessoriesfox seatpost spares compression spring transfer sl 2023 p123443

      Fox Compression Spring Transfer SL 2023 Seatpost Spare & Suspension Accessory

      Fox Compression Spring Transfer SL 2023 enhances suspension performance with precision engineering. Designed for durability and smooth compression, it ensures reliable ride quality under various conditions. This spring is an essential component for maintaining optimal seatpost function, providing consistent responsiveness and comfort on every...
      from £9.40
      £9.95
      from £9.40
      Save £0.55
    • Kinesis UK bolted seat clamp for bike frames, showing the metal clamp with bolt and hardware for bike component spares.Kinesis UK bolted seat clamp for bike frames, showing the metal clamp and hardware components on a white background.

      Kinesis UK Bolted Seat Clamp Spares & Accessories for Bike Frames - Black

      Enhance your bike’s performance and appearance with the Kinesis UK Seat Clamp Bolted Spares & Accessories. Designed to perfectly complement Kinesis seat posts, these clamps combine durability and lightweight construction to ensure a secure fit across various frame sizes. Crafted with precision, they provide...
      from £5.49
      £6.00
      from £5.49
      Save £0.51
      • Black
    • Rock Shox Post Bleed Tool Reverb Spares & AccessoriesRockShox Post Bleed Tool - Reverb: | Swinnerton Cycles

        RockShox Reverb Post Bleed Tool for Hydraulic Seatpost Maintenance

        The RockShox Post Bleed Tool - Reverb ensures precise hydraulic maintenance for your seatpost. Designed for easy use, it helps maintain smooth and reliable dropper post performance. What It’s Good For Efficiently bleeding hydraulic seatposts Extending the life of your RockShox Reverb post Maintaining...
        £4.91
        £6.00
        £4.91
        Save £1.09
      • Rock Shox Oil Height Tool Reverb Spares & AccessoriesRockShox Oil Height Tool - Reverb: | Swinnerton Cycles

          RockShox Oil Height Tool for Reverb Seatpost - Accurate Adjustment Tool

          The RockShox Oil Height Tool - Reverb ensures precise oil level adjustments for your seatpost. Designed for accuracy, it helps maintain optimal performance and smooth operation. Easy to use and built with durable materials, this tool is essential for any cyclist looking to fine-tune...
          £5.90
          £7.00
          £5.90
          Save £1.10
        • Bontrager Line Elite 34.9Mm Dropper Travel Reducers Spares & AccessoriesBontrager Line Elite 34.9Mm Dropper Travel Reducers Spares & Accessories

          Bontrager Line Elite 34.9mm Dropper Post Travel Reducer Spacer & Accessories - White

          Enhance your Bontrager Line Elite dropper post with this 34.9mm spacer. Designed for a perfect fit, it ensures smooth travel adjustment and reliable performance on every ride. What It’s Good For Optimizing dropper post travel for better control Easy installation and compatibility with Line...
          £8.49
          £8.99
          £8.49
          Save £0.50
          • White
        • Bontrager Line Dropper 30Mm Travel Reducer Spares & AccessoriesBontrager Line Dropper Travel Reducers White 30mm x 25.15mm | Swinnerton Cycles

            Bontrager Line Dropper Seatpost Travel Reducer 30mm x 25.15mm White

            Enhance your Bontrager Line Dropper seatpost with this 30mm travel reducer. Designed to provide precise control over your dropper post travel, it ensures a perfect fit and smooth operation. Crafted for durability and easy installation, this reducer is an essential finishing kit for riders...
            £9.44
            £9.99
            £9.44
            Save £0.55
          • Trek Madone Slr Seatpost Reflector Mounting Bolt Spares & AccessoriesTrek Madone SLR Seatpost Reflector Mounting Bolt Silver M4 x 12mm | Swinnerton Cycles

              Trek Madone SLR Seatpost Reflector Mounting Bolt M4 x 12mm Silver Durable

              The Trek Madone SLR Seatpost Reflector Mounting Bolt ensures secure attachment of your rear reflector. Crafted for durability, this silver M4 x 12mm bolt fits perfectly to keep your reflector stable during rides. Designed specifically for Trek Madone SLR seatposts, it offers a reliable...
              £1.88
              £1.99
              £1.88
              Save £0.11
            • Trek Line Elite Dropper Seatpost Actuator Assembly Spares & AccessoriesBontrager Line Elite Dropper Seatpost Actuator Assembly Black One size | Swinnerton Cycles

                Bontrager Line Elite Dropper Seatpost Actuator Assembly Black – Smooth Seat Adjustments

                The Bontrager Line Elite Dropper Seatpost Actuator Assembly offers precise control and durability for your dropper post. Designed for seamless integration, it ensures smooth and reliable seat adjustments on the trail. Crafted with quality materials, this actuator assembly enhances your riding experience by providing...
                £33.06
                £34.99
                £33.06
                Save £1.93
              • Trek Line Elite Dropper Seatpost Cartridge Mounting Kit Spares & AccessoriesBontrager Line Elite Dropper Seatpost Cartridge Mounting Bolt Black One size | Swinnerton Cycles

                  Bontrager Line Elite Dropper Seatpost Cartridge Mounting Bolt Black One size

                  Upgrade your bike with the Bontrager Line Elite Dropper Seatpost Cartridge Mounting Bolt. Designed for durability and precision, this bolt ensures a secure fit for your dropper seatpost. Crafted by Trek, it offers reliable performance and easy installation, making it an essential component for...
                  £4.71
                  £4.99
                  £4.71
                  Save £0.28
                • Bontrager Line Elite Dropper Seatpost Cartridge Spares & AccessoriesBontrager Line Elite Dropper Seatpost Cartridge Spares & Accessories

                  Bontrager Line Elite Dropper Seatpost Replacement Cartridge & Accessories Spares - Silver

                  Maintain your Bontrager Line Elite Dropper Seatpost’s smooth operation with this replacement cartridge unit. Designed for easy installation, it ensures consistent performance and extends the life of your dropper post. What It’s Good For Restoring dropper post functionality for reliable ride control Prolonging the...
                  £61.41
                  £64.99
                  £61.41
                  Save £3.58
                  • Silver
                • Trek kids bike seatpost clamp replacement component, secure fit, durable metal, designed for children's bicycles.Trek Kids seatpost clamp replacement component, secure fit bike accessory for children's bikes, compatible with Trek bikes.

                  Trek Kids Seatpost Clamp Replacement Parts & Accessories for Secure Fit - Black

                  The Trek Kids Seatpost Clamp Spares & Accessories offer reliable replacement parts designed to keep your child's bike seat secure and stable. Crafted to fit various diameters, these components ensure a perfect match for your Trek seatpost. Durable and easy to install, these spares...
                  from £3.77
                  £3.99
                  from £3.77
                  Save £0.22
                  • Black
                  • Silver
                • Bontrager Line Dropper 10Mm Travel Reducer Spares & AccessoriesBontrager Line Dropper Travel Reducers White 10mm x 25.15mm | Swinnerton Cycles

                    Bontrager Line Dropper Travel Reducers 10mm x 25.15mm Spacer for Seatpost Adjustment

                    These Bontrager Line Dropper Travel Reducers offer a precise 10mm x 25.15mm spacer to fine-tune your seatpost travel. Perfect for customizing your fit and enhancing comfort. Designed specifically for Bontrager Line Dropper seatposts, they ensure smooth performance while allowing riders to reduce travel as...
                    £9.44
                    £9.99
                    £9.44
                    Save £0.55
                  • Bontrager Bolt-On Seatpost Clamp W/Cable Stop Spares & Accessories

                      Bontrager Bolt-On 31.9mm Seatpost Clamp with Integrated Cable Stop Silver

                      Enhance your bike’s performance with the Bontrager Bolt-On Seatpost Clamp. This 31.9 mm silver clamp ensures a secure fit for your seatpost and features an integrated cable stop for clean cable routing. Crafted for durability and style, it’s a perfect finishing kit for your...
                      £10.38
                      £10.99
                      £10.38
                      Save £0.61
                    • Thomson Elite Black Spacer Kit with 20mm, 10mm, and 5mm spacers for stem height adjustment, components for bike buildsBlack Thomson Elite Spacer Kit with 20mm, 10mm, and 5mm spacers for stem height adjustment on bike components.

                        Thomson Elite Spacer Kit Black 20mm 10mm 5mm for Stem Height Adjustment

                        Upgrade your bike’s fit and finish with the Thomson Spacer Kit, featuring precision-machined spacers in 20mm, 10mm, and 5mm sizes. Crafted to complement the Thomson Elite components, these spacers ensure a sleek, professional look while allowing fine adjustments to your stem height. Available in...
                        £25.00
                        £25.00
                      • Thomson Spare Standard Saddle Rail Clamps Silver Spares & AccessoriesThomson - Spare - Standard Saddle Rail Clamps - Silver | Swinnerton Cycles

                          Thomson Standard Saddle Rail Clamps Silver – Durable Seatpost Support

                          Thomson Standard Saddle Rail Clamps provide reliable support for your saddle. Crafted in silver, they ensure a secure fit and durability for long rides. These clamps are essential for maintaining seatpost stability and comfort. What It’s Good For Securing saddle rails firmly Compatible with...
                          £20.00
                          £20.00
                        • Thomson Spare Oversized Saddle Rail Clamps Silver Spares & AccessoriesThomson - Spare - Oversized Saddle Rail Clamps - Silver | Swinnerton Cycles

                            Thomson Oversized Saddle Rail Clamps Silver – Secure Bike Seatpost Clamp

                            Thomson's Oversized Saddle Rail Clamps in silver provide a secure and durable connection for your saddle. Designed for compatibility with various seatposts, they offer reliable performance and easy installation. Crafted with precision, these clamps ensure your saddle stays firmly in place, enhancing ride comfort...
                            £20.00
                            £20.00
                          • Thomson oversized saddle rail clamps in black, compatible with bike seatposts, shown as spare components for bicycle saddle adjustments.Thomson oversized saddle rail clamps spare in black, compatible with bike seatposts, shown in close-up detail.

                              Thomson Oversized Saddle Rail Clamps Spare - Black, Compatible with Seatposts

                              Thomson Spare Oversized Saddle Rail Clamps offer reliable compatibility with a variety of seatposts. Crafted for durability, their sleek black finish complements any bike design while ensuring secure saddle attachment. These clamps are perfect for upgrading or replacing worn components, maintaining optimal performance without...
                              £20.00
                              £20.00
                            • Thomson universal remote dropper lever for dropper seatposts, ergonomic and durable bicycle component control.Thomson dropper remote lever for seatpost control, ergonomic and durable, mounted on bicycle handlebar.

                                Thomson Dropper Universal Remote Lever for Dropper Seatposts – Durable & Ergonomic Control

                                The Thomson Dropper Universal Remote Lever offers seamless control and precision for your dropper seatpost setup. Engineered with quality and durability in mind, this universal remote lever is compatible with a variety of Thomson dropper posts, providing effortless operation and reliable performance on every...
                                £57.19
                                £60.00
                                £57.19
                                Save £2.81
                              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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