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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  • Miche 35.4mm bike seat clamp, spare and accessory component for secure seatpost fit on bicycle.Miche Seat Clamp 35.4mm for securing bike seatpost, shown as a black component for bike seatpost fitting.

    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...
    £14.00
    £14.00
  • 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 - Green

    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 £11.31
    £12.00
    from £11.31
    Save £0.69
    • Grey
    • Green
    • Red
    • Blue
  • Fox Doss Seatpost Tension Shaft Drop Assembly replacement component for Fox bike suspension systems, 2013 model, spare part.Fox Doss Seatpost Tension Shaft Drop Assembly, replacement component for Fox bike suspension systems, 2013 model.

    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 £24.95
    from £24.95
  • Fox Transfer seatpost piston assembly for 2018 model, internal replacement component for Fox bike suspension seatposts.Fox Transfer seatpost piston assembly for 2018 internal components, replacement spare part for mountain bike suspension.

    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...
    £49.94
    £49.94
  • 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 £16.25
    from £16.25
  • 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 £56.95
    from £56.95
  • Fox Seatpost Upper Post 2018 replacement component for mountain bike, showing the durable, black anodized seatpost part.Fox Seatpost Upper Post 2018 replacement component, showing the durable bike seatpost part with branding and mounting hardware.

    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...
    £79.94
    £79.94
  • Fox Transfer seatpost rod push actuator replacement component for Fox bike suspension and seatpost systems.Fox Transfer seatpost rod push actuator replacement component for bike suspension seatposts, durable and compatible with Fox models.

    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...
    £6.30
    £6.30
  • Fox Compression Spring Transfer SL 2023 seatpost spare component for suspension, shown in the image.Fox Compression Spring Transfer SL 2023 seatpost spare and suspension component shown in the image.

    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 £9.95
    from £9.95
  • Kinesis UK bolted seat clamp for bike frames, bike components spare part, metal clamp with bolt for securing bike seats.Kinesis UK bolted seat clamp component for bike frames, showing the metal clamp with bolt and threading detail.

    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...
    £6.00
    £6.00
    • Black
  • RockShox Reverb Post bleed tool for hydraulic seatpost maintenance, showing the compact component used for bike suspension upkeep.RockShox Reverb Post bleed tool for hydraulic seatpost maintenance, shown with components and tools for bike suspension repair.

      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...
      £5.64
      £6.00
      £5.64
      Save £0.36
    • RockShox Oil Height Tool for Reverb seatpost, a components adjustment tool with precise measurement markings.RockShox Oil Height Tool for Reverb seatpost, a component adjustment tool with precise measurement markings for bike maintenance.

        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...
        £6.77
        £7.00
        £6.77
        Save £0.23
      • 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 Silver Standard Saddle Rail Clamps for durable seatpost support, shown in a close-up view of the component.Silver Thomson Standard Saddle Rail Clamps for bike seatposts, showing the durable metal clamps with mounting screws.

            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 oversized saddle rail clamp in black for seatposts, component part designed for bike saddle support.Thomson black oversized saddle rail clamps for seatposts, showing close-up of the durable component for bike saddle attachment.

              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 Dropper Universal Remote Lever for dropper seatposts, ergonomic and durable bike component control.Thomson universal remote lever for dropper seatposts, ergonomic bike component, durable control for smooth saddle adjustments.

                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...
                £60.00
                £60.00
              • 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...
                  £7.66
                  £8.99
                  £7.66
                  Save £1.33
                • 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 with I-Spec EV mount and hardware spares for mountain bike components.SDG Tellis adjustable dropper remote lever with I-Spec EV mount and hardware spares for mountain bike components.

                          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...
                          £69.98
                          £69.98
                        • SDG Tellis adjustable dropper remote lever matchmaker for bike fuel spares and accessories, showing detailed component with mounting hardware.SDG Tellis adjustable dropper remote lever matchmaker for bike fuel spares and accessories, showing the component with mounting hardware.

                            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...
                            £59.95
                            £59.95
                          • SDG Tellis adjustable dropper remote lever matchmaker component for bike dropper seatposts and accessories.SDG Tellis adjustable dropper remote lever and matchmaker components for bike dropper post, compatible with SDG dropper systems.

                              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...
                              £49.99
                              £49.99
                            • SDG Tellis seatpost keyways replacement pack showing two black spares for bike seatpost components.SDG Tellis Seatpost Keyways pack of 2 replacement spare parts for bike components, shown in the image.

                                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...
                                £4.94
                                £4.94
                              • SDG Tellis seatpost lock nut tool for bike maintenance, durable component spares for secure seatpost installation.SDG Tellis seatpost lock nut tool for bike maintenance, durable component accessory for securing seatposts.

                                  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...
                                  £3.95
                                  £3.95
                                • SDG Tellis seatpost clamp assembly, bike component spare part, with metal and plastic parts, for securing bike seatposts.SDG Tellis seatpost clamp assembly for bike components, showing the metal clamp with bolt for secure seatpost attachment.

                                    SDG Tellis Seatpost Clamp Assembly Spare Part for Bike Accessories

                                    Enhance your bike’s performance with the SDG Tellis Seatpost Clamp Assembly. This durable component ensures a secure fit for your seatpost, providing stability and comfort on every ride. Crafted with precision, it seamlessly integrates with your bike’s finishing kit and accessories, maintaining both style...
                                    £16.94
                                    £16.94
                                  • 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
                                  • 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
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                                    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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