Bike Seatpost Spares & Accessories

Your bike’s seatpost is essential for achieving the right saddle height, comfort and overall fit. Over time, small parts such as clamps, shims, bolts and collars can wear, loosen or need replacing. That’s where seatpost spares and accessories come in - the vital components that keep your seatpost secure, adjustable...

Your bike’s seatpost is essential for achieving the right saddle height, comfort and overall fit. Over time, small parts such as clamps, shims, bolts and collars can wear, loosen or need replacing. That’s where seatpost spares and accessories come in - the vital components that keep your seatpost secure, adjustable and performing at its best. The Bike Seatpost Spares & Accessories range at Swinnerton Cycles ensures that every rider can maintain or fine-tune their setup for road, MTB, gravel and commuting bikes.

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  • Bontrager 9.9 Ssl Seatpost Clamp Spares & AccessoriesBontrager 9.9 Ssl Seatpost Clamp Spares & Accessories

      Bontrager 9.9 Ssl Seatpost Clamp Spares & Accessories

      See spec chart for available diameters and compatibility;
      £12.00
      £12.00
    • Bontrager Premium Seatpost Clamp Spares & AccessoriesBontrager Premium Seatpost Clamp Spares & Accessories

      Bontrager Premium Seatpost Clamp Spares & Accessories - Black

      See the spec chart for available diameters and compatibility;Follow laser-etched torque listing on collar;
      £12.00
      £12.00
      • Black
    • Bontrager Basic Seatpost Clamp Spares & AccessoriesBontrager Basic Seatpost Clamp Spares & Accessories

      Bontrager Basic Seatpost Clamp Spares & Accessories - Black

      See the spec chart for available diameters and compatibility;Follow laser-etched torque listing on collar;
      £9.00
      £9.00
      • Black
    • Bontrager Carbon Friendly Seatpost Clamp Spares & AccessoriesBontrager Carbon Friendly Seatpost Clamp Spares & Accessories

      Bontrager Carbon Friendly Seatpost Clamp Spares & Accessories - Black

      See the spec chart for available diameters and compatibility;Follow laser-etched torque listing on collar;
      £9.00
      £9.00
      • Black
    • Bontrager Eyeleted Quick Release Seatpost Clamp Spares & AccessoriesBontrager Eyeleted Quick Release Seatpost Clamp Spares & Accessories

      Bontrager Eyeleted Quick Release Seatpost Clamp Spares & Accessories - Black

      Features threaded eyelets for rear rack mounting solutions on unique bike frames;Quick-release (QR) versions features a rubber lever grip;
      from £11.00
      from £11.00
      • Black
    • Bontrager Line Dropper Key Way Kit Spares & AccessoriesBontrager Line Dropper Key Way Kit Black One size

        Bontrager Line Dropper Key Way Kit Black One size

        Original Equipment replacement parts to service your Bontrager Line Dropper post;Regular maintenance of the Line Dropper will help maintain performance;
        £9.00
        £9.00
      • Bontrager Dropper Seatpost Dust Seal Spares & AccessoriesBontrager 31.6mm Dropper Seatpost Dust Seal Black One size

          Bontrager 31.6mm Dropper Seatpost Dust Seal Black One size

          Seatpost Part Bontrager Dropper Post Dust Seal
          £17.00
          £17.00
        • Bontrager Line Dropper Seatpost Cartridge Spares & AccessoriesBontrager Line Dropper Seatpost Cartridge Spares & Accessories

          Bontrager Line Dropper Seatpost Cartridge Spares & Accessories - Silver

          Seatpost Bontrager Line Dropper Cartridge 170mm 34.9mm
          from £27.00
          £50.00
          from £27.00
          Save £23.00
          • Silver
        • Trek Round Alloy Seat Mast Cap & 7Mm Ears Spares & AccessoriesTrek Round Alloy Seat Mast Cap & 7Mm Ears Spares & Accessories

            Trek Round Alloy Seat Mast Cap & 7Mm Ears Spares & Accessories - Black

            Affordable alloy seat mast cap;The 2-bolt design offers independent set-back and tilt adjustments;Compatible with all Trek road bikes with round seat masts;10mm offset only;Includes 7x7 mm round rail clamp compatibility;
            £70.00
            £80.00
            £70.00
            Save £10.00
            • Black
          • Bontrager Drop Line Dropper 10Mm Travel Reducer Spares & AccessoriesBontrager Drop Line Dropper 10 mm Travel Reducer White 10mm x 25.07mm

              Bontrager Drop Line Dropper 10 mm Travel Reducer White 10mm x 25.07mm

              Spacers that reduce travel for Bontrager Drop Line seatposts;For riders who need a shorter seatpost or travel for their fit;Spacers are not 'stackable' to create travel reductions other than 10mm or 30mm;
              £9.00
              £9.00
            • Bontrager Rotary Head Seatpost Head Part Kits Spares & AccessoriesBontrager Rotary Head Seatpost Head Part Kits Black One size

                Bontrager Rotary Head Seatpost Head Part Kits Black One size

                Original equipment replacement parts for your Bontrager rotary head seatpost;The kit contains 7 mm round seatpost ears, inner cones, bolt and spring;Compatible with 2010+ Bontrager single-bolt rotary seatposts and seat mast caps;
                £20.00
                £20.00
              • Trek Single Bolt Seatpost Parts Spares & AccessoriesTrek Single Bolt Seatpost Parts Spares & Accessories

                  Trek Single Bolt Seatpost Parts Spares & Accessories

                  Seatpost Part Trek Nebula 2012 M7 Shaft/M6 Head 48mm Long
                  £20.00
                  £20.00
                • Bontrager M10X1Mm Full Suspension Rocker Pivot Bolt Frame PartsBontrager M10X1Mm Full Suspension Rocker Pivot Bolt Frame Parts

                    Bontrager Frame Spares - Carbon

                    OCLV aero shaft and head;Forged alloy saddle clamps;Micro-adjust head with thumb wheel angle indicator for precise angle adjustment;Unique clamp shape with spring assist allows for super-easy saddle changes;Compatible with standard and oversized carbon saddle rails;15 mm offset has a reversible design so it can...
                    from £166.00
                    £200.00
                    from £166.00
                    Save £34.00
                    • Carbon
                  • Bontrager Seatpost Clamp Spares & AccessoriesBontrager Seatpost Clamp Black 32.5 mm

                      Bontrager Seatpost Clamp Black 32.5 mm

                      Seat Post Part Bontrager Clamp 32.5 mm Black - See spec chart for available diameters and compatibility
                      £9.00
                      £9.00
                    • Bontrager Eyeleted Seatpost Clamp Spares & AccessoriesBontrager Eyeleted Seatpost Clamp Spares & Accessories

                      Bontrager Eyeleted Seatpost Clamp Spares & Accessories - Black

                      Seat Post Part Bontrager Clamp 36.4 mm Bolt Eyeleted RackMount
                      £9.00
                      £9.00
                      • Black
                    • Crank Brothers Highline Traction Pads Spares & AccessoriesCrank Brothers Highline Traction Pads Spares & Accessories

                        Crank Brothers Highline Traction Pads Spares & Accessories

                        Increase thumb traction on your Highline remote and prevent miss activation of your post with these sticky traction pads. An array of 8 colours also allows you to match your remote to the rest of your bike.
                        £4.66
                        £6.99
                        £4.66
                        Save £2.33
                      • System Ex Seatpost Clamp W/Rack Mount Spares & AccessoriesSystem Ex Seatpost Clamp W/Rack Mount Spares & Accessories

                        System Ex Seatpost Clamp W/Rack Mount Spares & Accessories

                        Lightweight clamp with integrated rack mounting points. Extruded alloy Height: 14mm
                        £11.00
                        £11.00
                      • System Ex Seatpost Clamp F/Carbon Spares & Accessoriessystem ex systemex seatpost clamp seatpost clamp f carbon p89436

                        System Ex Seatpost Clamp F/Carbon Spares & Accessories

                        Anti-crimp design spreads load uniformly to avoid damage to carbon posts. Sand blast finish 6061-T6 alloy Height: 13mm Black
                        £7.00
                        £7.00
                      • System Ex Seatpost Clamp Spares & AccessoriesSystem Ex Seatpost Clamp Spares & Accessories

                        System Ex Seatpost Clamp Spares & Accessories - Black

                        Lightweight MTB seatpost clamp with allen bolt fixing. Extruded alloy Anodised silver or matt black Height: 15mm
                        from £5.00
                        from £5.00
                        • Black
                        • Silver
                      • Dmr Bikes Hinged Clamp Spares & Accessoriesdmr bikes dmr seat clamp hinged clamp p137085

                        Dmr Bikes Hinged Clamp Spares & Accessories - Silver

                        DMR hinged clamp for DMR chain devices. The DMR hinged clamp is also used for fixing bottle cages and mudguards to frames with no fixing points.
                        £6.00
                        £6.00
                        • Silver
                      • Cane Creek Eesilk Post Barrel Nut Spares & AccessoriesCane Creek Eesilk Post Barrel Nut Spares & Accessories

                        Cane Creek Eesilk Post Barrel Nut Spares & Accessories

                        BARREL NUT FOR EESLIK POSTS.
                        £8.00
                        £8.00
                      • Reverb Spare - Seatpost Post Clamp Kit - Fits 10mm Oval Saddle Rails (Includes Clamp, Nuts & Bolts) - Reverb AXS A1 (2020)/AXS XPLR A1 (2022)Reverb Spare - Seatpost Post Clamp Kit - Fits 10mm Oval Saddle Rails (Includes Clamp, Nuts & Bolts) - Reverb AXS A1 (2020)/AXS XPLR A1 (2022)

                        Reverb Spare - Seatpost Post Clamp Kit - Fits 10mm Oval Saddle Rails (Includes Clamp, Nuts & Bolts) - Reverb AXS A1 (2020)/AXS XPLR A1 (2022)

                        Sram: Use only SRAM parts with SRAM components. Installation of parts and accessories not originally intended could result in less than optimal performance and/or injury. For in-depth service information on SRAM products, refer to our website at www.sram.com/service. Information contained on SRAM Connect is...
                        £37.84
                        £43.00
                        £37.84
                        Save £5.16
                      • Reverb Spare - Seatpost Air Cap And Air Piston O-Rings - (Qty 20) - Reverb XPLR 27.2 A1 (2022)Reverb Spare - Seatpost Air Cap And Air Piston O-Rings - (Qty 20) - Reverb XPLR 27.2 A1 (2022)

                        Reverb Spare - Seatpost Air Cap And Air Piston O-Rings - (Qty 20) - Reverb XPLR 27.2 A1 (2022)

                        Sram: Use only SRAM parts with SRAM components. Installation of parts and accessories not originally intended could result in less than optimal performance and/or injury. For in-depth service information on SRAM products, refer to our website at www.sram.com/service. Information contained on SRAM Connect is...
                        £5.00
                        £5.00
                      • SDG Tellis Seatpost Rebuilt Kit FuelSDG Tellis Seatpost Rebuilt Kit Fuel

                        SDG Tellis Seatpost Rebuilt Kit Fuel

                        Freshen up your Tellis with a new oil slick post collar and Trelleborg seal IGUS bushing lower bushing and keyway set. Compatible with all 30.9mm and 31.6mm Tellis Dropper posts. Now you can color match your oil slick Bel-Air V3 saddle and oil slick...
                        £21.08
                        £23.95
                        £21.08
                        Save £2.87
                      • Race Face Æffect R Dropper Bushing / Midcap / Pin KitRace Face Æffect R Dropper Bushing / Midcap / Pin Kit

                        Race Face Æffect R Dropper Bushing / Midcap / Pin Kit

                        Bushing/Midcap/Pin Kit for Race Face Æffect R dropper post.
                        £21.08
                        £23.95
                        £21.08
                        Save £2.87
                      • Race Face Æffect R Dropper Actuator AssemblyRace Face Æffect R Dropper Actuator Assembly

                        Race Face Æffect R Dropper Actuator Assembly

                        Actuator assembly for Race Face Æffect R dropper post.
                        £21.95
                        £24.95
                        £21.95
                        Save £3.00
                      • Fox Transfer Seatpost Lever Top Bar Adjuster Barrel KitFox Transfer Seatpost Lever Top Bar Adjuster Barrel Kit

                        Fox Transfer Seatpost Lever Top Bar Adjuster Barrel Kit

                        FOX Transfer Seatpost Lever Top Bar Adjuster Barrel Kit Part Number: 803-01-202
                        £19.31
                        £21.95
                        £19.31
                        Save £2.64
                      • Fox Transfer Seatpost Cable BushingFox Transfer Seatpost Cable Bushing

                        Fox Transfer Seatpost Cable Bushing

                        Cable bushing for internal routed Transfer Seatpost.
                        £1.67
                        £1.90
                        £1.67
                        Save £0.23
                      • Fox Seatpost Lower External Cable 9.598 TLGFox Seatpost Lower External Cable 9.598 TLG

                        Fox Seatpost Lower External Cable 9.598 TLG

                        FOX Seatpost Lower External Cable Select size required
                        £105.56
                        £119.95
                        £105.56
                        Save £14.39
                      • Fox Seatpost Lower External Cable 8.613 TLGFox Seatpost Lower External Cable 8.613 TLG

                        Fox Seatpost Lower External Cable 8.613 TLG

                        FOX Seatpost Lower External Cable Select size required
                        £105.56
                        £119.95
                        £105.56
                        Save £14.39
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