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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  • SDG Spares & Accessories - Tellis Seatpost Upper Tube with M6 Screw SetSDG Tellis Seatpost Upper Tube with M6 Screw Set 150mm | Swinnerton Cycles

    SDG Tellis Seatpost Upper Tube 150mm with M6 Screw Set – Bike Replacement Part

    Upgrade your bike with the SDG Tellis Seatpost Upper Tube, designed for durability and smooth performance. This 150mm component comes with an M6 screw set for easy installation and secure fitting. Crafted to enhance your riding experience, the seatpost offers reliable support and a...
    £62.15
    £65.95
    £62.15
    Save £3.80
  • Cane Creek Thudbuster LT rebuild kit with genuine seatpost replacement parts for bike suspension component repair.Cane Creek Thudbuster LT rebuild kit with genuine replacement components for seatpost suspension system.

    Cane Creek Thudbuster LT Rebuild Kit – Genuine Seatpost Replacement Parts

    Upgrade your Thudbuster LT seatpost with genuine Cane Creek rebuild parts for smooth performance. This kit includes essential bushes, pins, and shims to restore your seatpost’s damping and comfort. What It’s Good For Extending the lifespan of your Thudbuster LT seatpost Maintaining optimal suspension...
    £22.99
    £22.99
  • Thomson black saddle rail clamps for bike seatposts, durable and sturdy bike component for secure saddle attachment.Black Thomson saddle rail clamps for bike seatposts, showing the durable metal components and mounting hardware.

    Thomson Standard Saddle Rail Clamps Black – Durable Bike Seatpost Replacement

    Upgrade your bike with Thomson's Standard Saddle Rail Clamps. Designed for durability and a secure fit, these black clamps ensure your saddle stays perfectly in place. Ideal for maintaining or enhancing your seatpost setup with reliable performance. What It’s Good For Securing saddles firmly...
    £20.00
    £20.00
  • Thomson replacement nut, bolt, and washer set for seatpost stem maintenance, showing metallic components arranged together.Thomson replacement nut, bolt, and washer set for seatpost and stem maintenance, showing metal components on a neutral background.

    Thomson Replacement Nut Bolt Washer Set for Seatpost Stem Maintenance

    Keep your Thomson seatpost, stem, or collar in top condition with this Replacement Nut Bolt Washer Set. Designed for durability, these small parts ensure a secure fit and reliable performance every ride. Compatible with all Thomson models, this finishing kit offers peace of mind...
    £6.00
    £6.00
  • cane creek seatpost spares eesilk 2 0 eesilk bushing kit p117438

    Cane Creek eeSilk 2.0/eeSilk+ Seatpost Bushing Kit for Smooth Performance

    Upgrade your ride with the Cane Creek Eesilk 2.0/eesilk+ Bushing Kit, designed for smooth seatpost performance. This essential kit ensures precise fit and durability for your seatpost. Crafted to maintain your Cane Creek seatpost's premium feel, it offers reliable support and extends component life...
    £19.99
    £19.99
  • Cane Creek EESilk Post Barrel Nut | Swinnerton CyclesCane Creek EESilk Post Barrel Nut | Swinnerton Cycles

    Cane Creek EESilk Seatpost Barrel Nut Replacement for Secure Fit and Adjustment

    Enhance your EESilk seatpost with this high-quality Barrel Nut from Cane Creek. Designed for durability and precise fit, it ensures secure assembly and smooth adjustments. Crafted as a reliable finishing kit component, this barrel nut is an essential spare that maintains the integrity of...
    £8.00
    £8.00
  • Fox Seatpost Transfer Upper Saddle Clamp, bike component replacement part, black metal clamp for secure saddle attachment.Fox Seatpost Transfer Upper Saddle Clamp, 2021 replacement component, showing the black clamp designed for bike saddle attachment.

    Fox Seatpost Transfer Upper Saddle Clamp 2021 Replacement Part & Accessory

    Upgrade your bike with the Fox Seatpost Transfer Upper Saddle Clamp 2021, designed for durability and precise saddle adjustment. This component ensures a secure fit and smooth performance, perfect for enhancing your ride experience. Crafted by Fox, this clamp is a reliable spare part...
    £16.25
    £16.25
  • Aenomaly SwitchGrade Fitting Kit B for dropper seatpost installation and adjustment, featuring components and hardware for bike upgrades.

    Aenomaly SwitchGrade Fitting Kit B for Dropper Seatpost Installation & Adjustment - Black

    The Aenomaly SwitchGrade Fitting Kit B is a precision-engineered component kit designed to ensure a perfect fit and smooth operation of your dropper seatpost. Crafted by Aenomaly, a trusted brand in the cycling components industry, this kit includes all necessary hardware and composite shims...
    £10.00
    £10.00
    • Black
  • Crankbrothers Highline 7 Quill Assembly v2

    Crankbrothers Highline 7 Quill Assembly v2 200mm Seatpost Component for Cycling

    The Crankbrothers Highline 7 Quill Assembly v2 200mm is a meticulously crafted component designed to elevate your cycling setup with enhanced reliability and precision. Manufactured by Crankbrothers, a trusted name in innovation and quality, this assembly is tailored for cyclists who demand durability and...
    £64.99
    £64.99
  • Crankbrothers Highline 7 Cartridge Assembly

    Crankbrothers Highline 7 Seatpost Cartridge Assembly 200mm Replacement Part

    The Crankbrothers Highline 7 Cartridge Assembly 200mm is a meticulously engineered component designed to elevate the functionality of your Highline 7 seatpost. Precision-crafted for durability and smooth operation, this cartridge assembly ensures your seatpost performs reliably over time, enhancing your overall riding experience. Its...
    £84.99
    £84.99
  • Placeholder image

    Crankbrothers Highline 7 Cartridge Seatpost Replacement 31.6mm 170mm

    Upgrade your ride with the Crankbrothers Highline 7 cartridge assembly. Designed for durability and smooth performance, it ensures reliable seatpost function on every trail. Its precise engineering offers a seamless fit for 31.6mm diameter posts, enhancing your bike's comfort and control. What It’s Good...
    £49.99
    £49.99
  • Ritchey Seat Mast TopperRitchey Seat Mast Topper | Swinnerton Cycles

    Ritchey Seat Mast Topper for Round ISP Seatposts with Offset Saddle Clamp - Hp Black

    The Ritchey Seat Mast Topper is a precision-engineered finishing kit designed to enhance the performance and aesthetics of your round ISP seatpost. Crafted from durable 2014 alloy, it provides a sleek, high-polish black finish that complements your bike’s overall look. With a total length...
    from £41.35
    £46.99
    from £41.35
    Save £5.64
    • Hp Black
  • Zipp Spare - Seatpost Bolts, Nuts, Upper And Lower Clamp Service Course SL Carbon

    Zipp Seatpost Bolts & Nuts Kit for Service Course SL Carbon Clamp – Black - Black

    Upgrade your bike’s performance with the Zipp Spare Seatpost Bolts, Nuts, Upper and Lower Clamp Service Course SL Carbon in sleek black. Designed to seamlessly fit and secure your seatpost, these components ensure a reliable and durable connection, enhancing your ride stability. Crafted by...
    £26.83
    £37.00
    £26.83
    Save £10.17
    • Black
  • Rockshox Spare - Seatpost Stainless Steel Keys - Size 1 (Qty 3) - Reverb Xplr 27.2 AXS (2022+)

    Rockshox Seatpost Stainless Steel Keys 3-Pack for Reverb Xplr 27.2 AXS 2022+

    Upgrade your Sram Reverb Xplr 27.2 AXS seatpost with these durable stainless steel keys. Designed for precise adjustments and long-lasting performance, they ensure smooth operation. Compatible with the 2022+ models, this pack includes three keys to keep your dropper post functioning flawlessly. What It’s...
    £4.56
    £5.00
    £4.56
    Save £0.44
  • Rockshox Spare - Seatpost Stainless Steel Keys - Size 1 (Qty 12) - Reverb Xplr 27.20 AXS (2022+)

    Rockshox Reverb Xplr 27.20 AXS Seatpost Keys Stainless Steel Size 1 (12 Pack)

    Upgrade your Reverb Xplr 27.20 AXS seatpost with these durable stainless steel keys. Designed for precise fit and long-lasting performance, they ensure smooth adjustments every time. What It’s Good For Reliable and corrosion-resistant stainless steel construction Perfect fit for Reverb Xplr 27.20 AXS (2022+)...
    £11.26
    £13.00
    £11.26
    Save £1.74
  • RockShox Spare - SeatPost Spare Parts RockShox Reverb Tackle Box - Reverb A2,B1RockShox Spare - SeatPost Spare Parts RockShox Reverb Tackle Box - Reverb A2,B1: | Swinnerton Cycles

    RockShox Reverb Seatpost Spare Parts Tackle Box for A2 & B1 Models

    Upgrade your RockShox Reverb with the Sram Spare Tackle Box for A2 and B1 models. This essential kit offers reliable components to keep your dropper seatpost performing at its best. Designed specifically for RockShox Reverb seatposts, it ensures smooth operation and easy maintenance. Perfect...
    £352.91
    £360.00
    £352.91
    Save £7.09
  • RockShox Spare - SeatPost Spare Parts Reverb Stealth Air Valve Assembly

    RockShox Reverb Stealth Seatpost Air Valve Assembly Spare Part for Dropper Post

    Ensure smooth performance with the RockShox Reverb Stealth Air Valve Assembly. This genuine Sram component offers reliable sealing and easy maintenance for your dropper seatpost. Designed to fit perfectly, it helps maintain optimal air pressure and prolongs the life of your seatpost. Easy to...
    £16.25
    £21.00
    £16.25
    Save £4.75
  • RockShox Spare - SeatPost Spare Parts Reverb/Reverb Stealth IFP Tube 150mm Includes New, UpgradedIFP)

    RockShox Reverb/Reverb Stealth Seatpost Spare IFP Tube 150mm Upgraded Parts

    Upgrade your RockShox Reverb or Reverb Stealth seatpost with this 150mm IFP tube featuring the latest improved internals. Designed for smooth, reliable dropper post action, it ensures consistent performance on every ride. Manufactured by SRAM, this component is essential for maintaining your dropper post’s...
    £40.63
    £54.00
    £40.63
    Save £13.37
  • RockShox Spare - SeatPost Spare Parts Reverb/Reverb Stealth IFP Tube 100mm Includes New, UpgradedIFP)RockShox Spare - SeatPost Spare Parts Reverb/Reverb Stealth IFP Tube 100mm Includes New, UpgradedIFP): 100MM | Swinnerton Cycles

    RockShox Reverb/Reverb Stealth 100mm IFP Tube Replacement Seatpost Part Upgraded

    The RockShox Reverb/Reverb Stealth IFP Tube 100mm features an upgraded internal floating piston for enhanced performance. Designed for durability and smooth operation, it ensures reliable dropper seatpost function. What It’s Good For Improves dropper post performance with upgraded IFP technology Compatible with RockShox Reverb...
    £40.63
    £54.00
    £40.63
    Save £13.37
  • RockShox Spare - SeatPost Spare Parts Return Speed Adjuster Knob Kit, RemoteA2 - 2013 ReverbRockShox Spare - SeatPost Spare Parts Return Speed Adjuster Knob Kit, RemoteA2 - 2013 Reverb: | Swinnerton Cycles

    RockShox Reverb A2 2013 SeatPost Return Speed Adjuster Knob Kit Spare Parts

    Enhance your RockShox Reverb A2 2013 with this genuine Sram Return Speed Adjuster Knob Kit. Designed for precise control, it ensures smooth seatpost adjustments every ride. Durable and easy to install, this spare part helps maintain optimal performance of your dropper post. Keep your...
    £20.67
    £27.00
    £20.67
    Save £6.33
  • RockShox Spare - SeatPost Spare Parts Post Clamp Kit - Includes Upper/Lower Clamp Plates) - Reverb & Reverb Stealth B1RockShox Spare - SeatPost Spare Parts Post Clamp Kit - Includes Upper/Lower Clamp Plates) - Reverb & Reverb Stealth B1: | Swinnerton Cycles

    RockShox Reverb & Reverb Stealth B1 Seatpost Clamp Kit – Upper & Lower Plates

    Ensure your RockShox Reverb dropper post functions flawlessly with this genuine Sram Post Clamp Kit. It includes upper and lower clamp plates, nuts, and bolts designed specifically for Reverb and Reverb Stealth B1 models. Built for reliability, these components provide a secure and precise...
    £16.01
    £21.00
    £16.01
    Save £4.99
  • RockShox Spare - SeatPost Spare Parts Clamp Nut and Bolt Kit Includes Clamp Nuts and Bolts Only) Reverb & Reverb Stealth B1(2017)RockShox Spare - SeatPost Spare Parts Clamp Nut and Bolt Kit Includes Clamp Nuts and Bolts Only) Reverb & Reverb Stealth B1(2017): | Swinnerton Cycles

    RockShox Reverb & Reverb Stealth B1 (2017) Seatpost Clamp Nut & Bolt Kit

    Ensure your RockShox Reverb seatpost remains secure with this genuine clamp nut and bolt kit. Designed specifically for Reverb and Reverb Stealth B1 (2017) models, it offers reliable performance and easy installation. Made by Sram, these high-quality components provide a perfect fit and durability...
    £9.74
    £13.00
    £9.74
    Save £3.26
  • RockShox Spare - SeatPost Service Strain Relief (Hydraulic Hose)- Reverb NewRockShox Spare - SeatPost Service Strain Relief (Hydraulic Hose)- Reverb New: | Swinnerton Cycles

    RockShox Reverb New SeatPost Hydraulic Hose Strain Relief Spare Part

    Ensure the longevity and optimal performance of your RockShox Reverb New seatpost with this genuine hydraulic hose strain relief. Designed specifically for Reverb New models, it provides essential support to prevent hose wear and damage. Crafted by Sram, this reliable component maintains the integrity...
    £5.00
    £5.00
  • Rockshox Spare - Seatpost Service Lower Hose Barb Assembly Kit - Reverb StealthRockshox Spare - Seatpost Service Lower Hose Barb Assembly Kit - Reverb Stealth: | Swinnerton Cycles

    RockShox Reverb Stealth Seatpost Lower Hose Barb Assembly Kit – Spare Part

    Ensure smooth performance with the RockShox Lower Hose Barb Assembly Kit for Reverb Stealth seatposts. Designed for easy replacement, this kit helps maintain optimal dropper function. What It’s Good For Restoring reliable hydraulic connection on Reverb Stealth seatposts Extending the lifespan of your dropper...
    £29.11
    £39.00
    £29.11
    Save £9.89
  • RockShox Spare - SeatPost Service Hose Barb Reverb Remote, Qty 10RockShox Spare - SeatPost Service Hose Barb Reverb Remote, Qty 10: | Swinnerton Cycles

    RockShox Reverb Remote SeatPost Hose Barb Spare Parts Pack of 10 for Dropper Post Maintenance

    Upgrade your RockShox Reverb remote with this pack of 10 Hose Barb spare parts. Designed to ensure reliable and smooth dropper post operation, these components are essential for maintenance and repairs. Made by Sram, these durable hose barbs fit perfectly with your dropper seatpost...
    £59.60
    £79.00
    £59.60
    Save £19.40
  • RockShox Spare - SeatPost Service Hose Barb Reverb Post, Qty 10RockShox Spare - SeatPost Service Hose Barb Reverb Post, Qty 10: | Swinnerton Cycles

    RockShox Reverb SeatPost Service Hose Barb Replacement, Pack of 10 - SRAM Parts

    Ensure smooth performance with the RockShox SeatPost Service Hose Barb. This pack of 10 pieces is designed specifically for Reverb posts, offering reliable replacement parts that maintain your dropper post’s efficiency. Crafted by Sram, these components provide durability and compatibility, making maintenance straightforward and...
    £73.76
    £98.00
    £73.76
    Save £24.24
  • Rockshox Spare - Seatpost Service Bulk Brass Keys Size 5 Qty 12 - Reverb And Reverb Stealth A1 A2, And B1Rockshox Spare - Seatpost Service Bulk Brass Keys Size 5 Qty 12 - Reverb And Reverb Stealth A1 A2, And B1: | Swinnerton Cycles

    RockShox Seatpost Service Bulk Brass Keys Size 5, 12-Pack for Reverb A1 A2 B1

    Ensure smooth maintenance with these RockShox Bulk Brass Keys Size 5, designed for Reverb and Reverb Stealth seatposts. Durable and precise, they help keep your dropper post functioning flawlessly. Compatible with models A1, A2, and B1, this pack of 12 keys offers great value...
    £12.25
    £13.00
    £12.25
    Save £0.75
  • Rockshox Spare - Seatpost Service Bulk Brass Keys Size 0 Qty 12 - Reverb And Reverb Stealth A1 A2, And B1Rockshox Spare - Seatpost Service Bulk Brass Keys Size 0 Qty 12 - Reverb And Reverb Stealth A1 A2, And B1: | Swinnerton Cycles

    RockShox Reverb Seatpost Service Bulk Brass Keys Size 0 for A1 A2 B1 Models Qty 12

    Maintain your RockShox Reverb seatpost with these bulk brass keys, designed for size 0. Compatible with Reverb and Reverb Stealth A1, A2, and B1 models, they ensure precise adjustments and smooth operation. These durable spare components help extend the life of your dropper post,...
    £12.25
    £13.00
    £12.25
    Save £0.75
  • RockShox Spare - SeatPost Service Bulk Bottom Out O-Ring Qty 10 - Reverb and Reverb Stealth A2, and B1RockShox Spare - SeatPost Service Bulk Bottom Out O-Ring Qty 10 - Reverb and Reverb Stealth A2, and B1: | Swinnerton Cycles

    RockShox SeatPost Service Bulk Bottom Out O-Rings Qty 10 for Reverb A2 & B1

    Ensure smooth, reliable performance with the RockShox Spare Bottom Out O-Rings, designed for Reverb and Reverb Stealth A2 and B1 seatposts. This bulk pack of 10 provides essential replacement parts to maintain your dropper post’s sealing and function. Crafted by Sram, these O-rings help...
    £2.77
    £3.00
    £2.77
    Save £0.23
  • Rockshox Spare - Seatpost Post Clamp Kit - (Includes Clamp, Nuts & Bolts) - Reverb AXS A1 (2020)

    Rockshox Reverb AXS A1 (2020) Seatpost Clamp Kit with Nuts & Bolts Spare Parts

    Upgrade your ride with the Rockshox Spare Seatpost Post Clamp Kit, designed specifically for the Reverb AXS A1 (2020). This kit includes everything you need—clamp, nuts, and bolts—to ensure a secure and reliable seatpost connection. Crafted by Sram, it guarantees precision and durability for...
    £27.98
    £31.00
    £27.98
    Save £3.02
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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