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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  • Crankbrothers Seatpost Highline 7 Keyway 30.9 100Mm Spares & AccessoriesCrankbrothers Highline 7 Keyway 30.9mm 100mm | Swinnerton Cycles

      Crankbrothers Highline 7 Keyway Seatpost Kit 30.9mm x 100mm for Bike Adjustment

      The Crankbrothers Highline 7 Keyway 30.9mm 100mm offers precise seatpost adjustment for superior comfort. Engineered for durability, it ensures a smooth ride and reliable performance. Designed with quality materials, this finishing kit enhances your bike's functionality and longevity. Perfect for riders seeking dependable components....
      £49.99
      £49.99
    • Crank Brothers Seatpost Clamp Nut Spares & AccessoriesCrank Brothers Seatpost Clamp Nut Spares & Accessories

        Crankbrothers Seatpost Clamp Nut – Durable Bike Seatpost Replacement Part

        Ensure a secure fit with the Crankbrothers Seatpost Clamp Nut. Designed for durability and precision, this essential component helps maintain optimal seatpost stability on your bike. Crafted by Crankbrothers, it offers reliable performance and easy installation, making it an ideal spare part for your...
        £0.85
        £0.85
      • Crankbrothers Seatpost Highline 2-Keyway 30.9 100Mm V2 Spares & AccessoriesCrankbrothers Highline 2-Keyway v2 30.9mm 100mm | Swinnerton Cycles

          Crankbrothers Highline 2-Keyway v2 Dropper Seatpost 30.9mm 100mm Travel

          Upgrade your bike with the Crankbrothers Highline 2-Keyway v2 seatpost. Designed for durability and precision, this 30.9mm, 100mm dropper post ensures smooth and reliable performance on every ride. Its high-quality finish and robust construction provide both style and strength, making it a perfect component...
          £49.99
          £49.99
        • cane creek seatpost spares thudbuster g4 rebuild kit inc tool p117448

            Cane Creek Thudbuster G4 Rebuild Kit with Tool for Suspension Maintenance

            Ensure smooth rides with the Cane Creek Thudbuster G4 Rebuild Kit, designed to restore your seatpost’s performance. This kit includes all essential parts and a tool for easy maintenance and longevity. Keep your Thudbuster G4 functioning like new, enhancing comfort and control on every...
            £24.99
            £24.99
          • crank brothers crankbrothers seatpost spares s post highline spring p109292

              Crankbrothers Highline Spring Seatpost with Suspension for Smooth Ride

              The Crankbrothers Seatpost Highline Spring is engineered to elevate your cycling experience with its advanced suspension system. Designed for riders who demand both comfort and control, this seatpost effectively dampens shocks and vibrations, making every ride smoother regardless of terrain. Its robust construction ensures...
              £1.00
              £1.00
            • crank brothers crankbrothers seatpost spares s post highline screw m6x1x35 5hex p109291

                Crankbrothers Highline Seatpost Screw M6x1x35 5 Hex Tool Compatible Replacement

                The Crankbrothers Seatpost Highline Screw M6x1x35 5 Hex is a meticulously crafted component designed to secure your Highline seatpost with precision and reliability. Made by Crankbrothers, a renowned brand in cycling components, this screw combines durability with an exact fit thanks to its M6x1x35...
                £1.00
                £1.00
              • crank brothers crankbrothers seatpost spares s post highline screw m4x 7x6 2 5hex p109289

                  Crankbrothers Highline Seatpost Screw M4x0.7x6mm 2.5mm Hex Drive Bike Part

                  The Crankbrothers Seatpost Highline Screw M4x.7x6 2.5 Hex is a meticulously crafted component designed to secure your seatpost with precision and reliability. Produced by Crankbrothers, a leader in cycling innovation, this screw is a vital part of the finishing kit that ensures your seatpost...
                  £1.00
                  £1.00
                • crank brothers crankbrothers seatpost spares s post highline screw p109288crank brothers crankbrothers seatpost spares s post highline screw p109288

                    Crankbrothers Highline Seatpost Screw Replacement for Secure Fit and Durability

                    The Crankbrothers Seatpost Highline Screw is a meticulously crafted component designed to deliver exceptional durability and performance for your bike’s seatpost assembly. Made from premium materials, this screw acts as a vital finishing kit that maintains the strength and functionality of Crankbrothers Highline seatposts....
                    £2.50
                    £2.50
                  • crank brothers crankbrothers seatpost spares s post highline ring seal assy p109287

                      Crankbrothers Highline Seatpost Ring Seal Assembly – Durable Replacement Part

                      The Crankbrothers Seatpost Highline Ring Seal Assembly is a meticulously engineered component designed to maximize the performance and durability of your Highline seatpost. Crafted by Crankbrothers, a brand well-regarded for its high-quality cycling parts, this assembly acts as a crucial finishing kit that guarantees...
                      £7.99
                      £7.99
                    • crank brothers crankbrothers seatpost spares s post highline quill assy 170mm v2 7 p109286

                        Crankbrothers Highline 7 Quill Assembly v2 170mm – Durable Bike Component

                        The Crankbrothers Highline 7 Quill Assembly v2 170mm is a meticulously crafted component designed to elevate your cycling experience. Engineered with precision by Crankbrothers, a name synonymous with innovation and quality, this quill assembly offers unmatched durability and smooth functionality. Its 170mm length provides...
                        £64.99
                        £64.99
                      • crank brothers crankbrothers seatpost spares s post highline quill assy 150mm v2 7 p109285

                          Crankbrothers Highline 7 Quill Assembly v2 150mm – Bike Seatpost Finishing Kit

                          The Crankbrothers Highline 7 Quill Assembly v2 150mm is a meticulously engineered component designed to elevate your bike's performance and reliability. With its 150mm length, this finishing kit ensures precise seatpost adjustment, allowing you to find the perfect riding position for comfort and efficiency...
                          £64.99
                          £64.99
                        • crank brothers crankbrothers seatpost spares s post highline quill assy 125mm v2 7 p109284

                            Crankbrothers Highline 7 Quill Assembly v2 125mm – Bicycle Seatpost Component

                            The Crankbrothers Highline 7 Quill Assembly v2 125mm is a meticulously designed component that elevates your bicycle’s performance and comfort. Crafted by Crankbrothers, a trusted name in innovative cycling gear, this quill assembly ensures precise seatpost adjustment with its 125mm length, accommodating a wide...
                            £64.99
                            £64.99
                          • crank brothers crankbrothers seatpost spares s post highline quill assy 100mm v2 7 p109283

                              Crankbrothers Highline 7 Quill Assembly v2 100mm – Durable Bike Seatpost Component

                              The Crankbrothers Highline 7 Quill Assembly v2 100mm is a meticulously crafted component designed to elevate the functionality and dependability of your bicycle’s seatpost system. Engineered by Crankbrothers, a leader in innovation and quality in the cycling industry, this quill assembly offers a precise...
                              £64.99
                              £64.99
                            • crank brothers crankbrothers seatpost spares s post highline quill assy p109282

                                Crankbrothers Highline Quill Seatpost Assembly with Finishing Kit for Bikes

                                The Crankbrothers Seatpost Highline Quill Assy is designed to elevate your cycling experience with its precise engineering and durable construction. This premium seatpost assembly seamlessly integrates with your bike, offering exceptional comfort and adjustability to suit any rider's needs. Built to withstand rigorous use,...
                                £59.99
                                £59.99
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                                  Crankbrothers Highline Seatpost O Ring 016 – Secure Fit & Durable Finishing Kit

                                  The Crankbrothers Seatpost Highline O Ring 016 is an essential finishing kit designed to ensure the perfect fit and secure installation of your Crankbrothers Highline seatpost. Expertly crafted from high-quality materials, this component offers exceptional durability and resistance to wear, helping to maintain the...
                                  £0.50
                                  £0.50
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                                    Crankbrothers Highline Seatpost Lockring – Secure Fit Replacement Accessory

                                    The Crankbrothers Seatpost Highline Lockring is a vital accessory tailored to improve the functionality and security of your bicycle's seatpost setup. Manufactured by Crankbrothers, a brand synonymous with precision engineering and durable design, this lockring acts as a reliable finishing kit that guarantees a...
                                    £4.99
                                    £4.99
                                  • crank brothers crankbrothers seatpost spares s post highline key p109279

                                      Crankbrothers Highline Seatpost Key – Replacement Finishing Kit for Bike Maintenance

                                      The Crankbrothers Seatpost Highline Key is a vital accessory designed to maintain and optimize your Highline seatpost’s performance. Produced by Crankbrothers, a brand synonymous with innovative cycling components, this finishing kit offers a precise fit tailored to your seatpost system. Whether as a replacement...
                                      £2.50
                                      £2.50
                                    • crank brothers crankbrothers seatpost spares s post highline housing p109278crank brothers crankbrothers seatpost spares s post highline housing p109278

                                        Crankbrothers Highline Seatpost Housing for Smooth Cable Operation & Durability

                                        The Crankbrothers Seatpost Highline Housing is engineered to deliver exceptional performance and durability for your bike’s seatpost system. Designed specifically to complement Crankbrothers Highline seatposts, this finishing kit ensures smooth cable operation and precise seatpost adjustments. With its robust construction, it offers superior protection...
                                        £4.99
                                        £4.99
                                      • crank brothers crankbrothers seatpost spares s post highline crtdge assy 20 2 p109275

                                          Crankbrothers Highline Seatpost Cartridge Assembly 20.2 with Finishing Kit

                                          The Crankbrothers Seatpost Highline Cartridge Assy 20.2 is a meticulously crafted component designed to elevate your bike’s seatpost performance. Engineered by Crankbrothers, a leader in cycling innovation, this cartridge assembly ensures smooth, reliable operation, making it a crucial upgrade or replacement for maintaining your...
                                          £84.99
                                          £84.99
                                        • crank brothers crankbrothers seatpost spares s post highline crtdge assy 150mm v2 p109272

                                            Crankbrothers Highline V2 Seatpost Cartridge Assembly 150mm Spare Part

                                            The Crankbrothers Seatpost Highline Cartridge Assy 150mm V2 is meticulously designed to elevate your cycling experience through enhanced reliability and precision. Manufactured by the trusted Crankbrothers brand, this component ensures seamless compatibility with your existing seatpost setup, offering a smooth and responsive adjustment mechanism....
                                            £84.99
                                            £84.99
                                          • crank brothers crankbrothers seatpost spares s post highline crtdge assy 125mm v2 p109271

                                              Crankbrothers Highline V2 125mm Cartridge Assembly for Mountain Bike Seatpost

                                              The Crankbrothers Highline V2 Cartridge Assembly 125mm is engineered to elevate your mountain biking experience with unmatched precision and reliability. Designed by Crankbrothers, a leader in innovative cycling components, this cartridge assembly offers smooth and consistent operation, ensuring your seatpost performs flawlessly. Its 125mm...
                                              £84.99
                                              £84.99
                                            • crank brothers crankbrothers seatpost spares s post highline crtdge assy 100mm v2 p109270

                                                Crankbrothers Highline V2 100mm Cartridge Assembly for Mountain Bike Seatpost

                                                The Crankbrothers Highline V2 Cartridge Assembly 100mm is a meticulously crafted component designed to optimize the functionality of your mountain bike’s seatpost. Engineered by Crankbrothers, a trusted name in cycling innovation, this cartridge assembly is essential for maintaining the smooth and reliable operation of...
                                                £84.99
                                                £84.99
                                              • crank brothers crankbrothers seatpost spares s post highline crtdge assy 100mm p109269crank brothers crankbrothers seatpost spares s post highline crtdge assy 100mm p109269

                                                  Crankbrothers Highline Seatpost Cartridge Assembly 100mm – Bike Spare Part

                                                  The Crankbrothers Seatpost Highline Cartridge Assy 100mm is engineered to deliver exceptional performance and reliability for your bike. With a precise 100mm length, it offers an ideal adjustment range to help you find the perfect seating position for comfort and control during every ride....
                                                  £84.99
                                                  £84.99
                                                • Crankbrothers Highline seatpost cradle washer for stable seatpost connection, shown with metal components and mounting details.Crankbrothers Highline seatpost cradle washer for stable seatpost connection, component part for bicycle seatpost setup.

                                                    Crankbrothers Highline Seatpost Cradle Washer – Stable Seatpost Connection Kit

                                                    The Crankbrothers Seatpost Highline Cradle Washer is a meticulously crafted component designed to optimize the connection between your Crankbrothers Highline seatpost and saddle. Made from premium materials, this finishing kit enhances stability and ensures a secure fit, contributing to the overall durability and performance...
                                                    £2.50
                                                    £2.50
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                                                      Crankbrothers Highline Cradle Upper Seatpost Replacement & Upgrade Part

                                                      The Crankbrothers Seatpost Highline Cradle Upper is a meticulously crafted component designed to optimize your bike’s seatpost system. As a finishing kit from the trusted Crankbrothers brand, it ensures a perfect fit and enhanced durability, making it a vital upgrade or replacement for your...
                                                      £9.99
                                                      £9.99
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                                                        Crankbrothers Highline Seatpost Cradle Lower Replacement Part for Stability

                                                        The Crankbrothers Seatpost Highline Cradle Lower is an expertly crafted component designed to optimize your bicycle's seatpost system. Engineered by Crankbrothers, a brand synonymous with innovation and quality, this part ensures enhanced durability and stability for your Highline seatpost. Its solid construction provides reliable...
                                                        £6.99
                                                        £6.99
                                                      • crank brothers crankbrothers seatpost spares s post highline bushing upper p109265

                                                          Crankbrothers Highline Seatpost Upper Bushing Replacement Part for Stability

                                                          The Crankbrothers Seatpost Highline Bushing Upper is an essential upgrade for riders looking to maintain peak performance and extend the lifespan of their Highline seatpost. Engineered with precision, this component ensures a flawless fit and smooth operation, reducing friction and wear in your seatpost...
                                                          £6.99
                                                          £6.99
                                                        • crank brothers crankbrothers seatpost spares s post highline bushing lower p109264

                                                            Crankbrothers Highline Seatpost Lower Bushing Replacement Part for Smooth Ride

                                                            The Crankbrothers Seatpost Highline Bushing Lower is a high-quality replacement part designed to keep your Highline seatpost operating smoothly and reliably. Engineered with precision, this lower bushing plays a crucial role in minimizing friction and wear, ensuring your seatpost maintains stability and optimal performance...
                                                            £4.99
                                                            £4.99
                                                          • crank brothers crankbrothers seatpost spares s post highline body 31 6 p109263

                                                              Crankbrothers Highline Seatpost Body 31.6mm with Finishing Kit for Bikes

                                                              The Crankbrothers Seatpost Highline Body 31.6 is a meticulously crafted component designed to boost your bike’s performance and reliability. Made by Crankbrothers, a brand celebrated for innovation and quality, this seatpost body combines durability with a lightweight design, enhancing your riding experience. Its 31.6mm...
                                                              £49.99
                                                              £49.99
                                                            • crank brothers crankbrothers seatpost spares s post highline body 30 9 p109262

                                                                Crankbrothers Highline Seatpost Body 30.9mm – Durable Bike Component Replacement

                                                                The Crankbrothers Seatpost Highline Body 30.9 is meticulously crafted to elevate your cycling experience by combining durability with precision engineering. Designed to fit a broad range of bike frames due to its 30.9mm diameter, this seatpost body ensures a secure and stable connection between...
                                                                £49.99
                                                                £49.99
                                                              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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