Bike Seatposts

The seatpost is a vital yet often overlooked component in any bike setup. It directly impacts saddle height, rider position, comfort, and power efficiency. Whether you’re upgrading for a better fit, replacing a worn-out part, or fine-tuning your bike for road, gravel, or mountain riding, a quality seatpost can make...

The seatpost is a vital yet often overlooked component in any bike setup. It directly impacts saddle height, rider position, comfort, and power efficiency. Whether you’re upgrading for a better fit, replacing a worn-out part, or fine-tuning your bike for road, gravel, or mountain riding, a quality seatpost can make all the difference. At Swinnerton Cycles, you’ll find a wide range of bike seatposts to suit various riding styles, frame types, and budgets.

Standard Seatposts

Standard Seatposts
Dropper Seatposts

Dropper Seatposts
Suspension Seatposts

Suspension Seatposts
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  • RockShox Spare - SeatPost Service Hose Barb Reverb Remote, Qty 10RockShox Spare - SeatPost Service Hose Barb Reverb Remote, Qty 10

    RockShox Spare - SeatPost Service Hose Barb Reverb Remote, Qty 10

    Sram: RockShox Hose Barb Reverb (for Remote End) (10 pcs)
    £69.52
    £79.00
    £69.52
    Save £9.48
  • RockShox Spare - SeatPost Service Hose Barb Reverb Post, Qty 10RockShox Spare - SeatPost Service Hose Barb Reverb Post, Qty 10

    RockShox Spare - SeatPost Service Hose Barb Reverb Post, Qty 10

    Sram: RockShox Hose Barb Reverb (for Post End) (10 pcs)
    £86.24
    £98.00
    £86.24
    Save £11.76
  • 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

    Rockshox Spare - Seatpost Service Bulk Brass Keys Size 5 Qty 12 - Reverb And Reverb Stealth A1 A2, And B1

    Sram: RockShox Reverb Spare - Bulk Brass Keys Size 5 Qty 12 - Reverb and Reverb Stealth A1, A2, and B1
    £13.00
    £13.00
  • 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

    Rockshox Spare - Seatpost Service Bulk Brass Keys Size 0 Qty 12 - Reverb And Reverb Stealth A1 A2, And B1

    Sram: RockShox Reverb Spare - Bulk Brass Keys Size 0 Qty 12 - Reverb and Reverb Stealth A1, A2, and B1
    £13.00
    £13.00
  • 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

    RockShox Spare - SeatPost Service Bulk Bottom Out O-Ring Qty 10 - Reverb and Reverb Stealth A2, and B1

    Sram: RockShox Reverb Spare - Bulk Bottom Out O-Ring Qty 10 - Reverb and Reverb Stealth A2 and B1
    £3.00
    £3.00
  • Rockshox Spare - Seatpost Post Clamp Kit - (Includes Clamp, Nuts & Bolts) - Reverb AXS A1 (2020)

    Rockshox Spare - Seatpost Post Clamp Kit - (Includes Clamp, Nuts & Bolts) - Reverb AXS A1 (2020)

    Sram:
    £27.28
    £31.00
    £27.28
    Save £3.72
  • Rockshox Spare - Remote Spare Parts Includes Boot Paddle Bushing Bearing, And Barb - Reverb 1X Remote

    Rockshox Spare - Remote Spare Parts Includes Boot Paddle Bushing Bearing, And Barb - Reverb 1X Remote - Black

    Sram:
    £35.20
    £40.00
    £35.20
    Save £4.80
    • Black
  • Rockshox Spare - Rear Shock Volume Reducer Kit - (Includes 3 Tokens) -Sidluxe Wcid A1 (2023)

    Rockshox Spare - Rear Shock Volume Reducer Kit - (Includes 3 Tokens) -Sidluxe Wcid A1 (2023)

    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. SPECIFICATIONSSpares Category: VOLUME REDUCER
    £11.00
    £11.00
  • Ritchey Superlogic 1-Bolt SeatpostRitchey Superlogic 1-Bolt Seatpost

    Ritchey Superlogic 1-Bolt Seatpost - Black

    Ritchey: The Superlogic 1-Bolt Seatpost is one of the lightest, toughest seatpost designs in the world. A patented SideBinder clamp design uses a single 5mm bolt for quick, secure adjustment, while the low-profile head delivers optimal saddle clearance and sleek lines. The Superlogic 1-Bolt...
    £232.31
    £263.99
    £232.31
    Save £31.68
    • Black
  • 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
  • FSA Gossamer Alloy Seatpost V19FSA Gossamer Alloy Seatpost V19

    FSA Gossamer Alloy Seatpost V19 - Black

    AL6061 tube with forged alloy head 1-bolt NANO adjust saddle clamp for simple set-up Chromoly hardware L350 × Ø27.2, 31.6mm 20mm set back Bead blasted anodized black Laser graphics Weight: 302g (Ø27.2 × 350mm) Weight: 355g (Ø31.6 × 350mm)
    £42.49
    £49.99
    £42.49
    Save £7.50
    • Black
  • 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
  • Fox Seatpost Lower External Cable 11.568 TLGFox Seatpost Lower External Cable 11.568 TLG

    Fox Seatpost Lower External Cable 11.568 TLG

    FOX Seatpost Lower External Cable Select size required
    £105.56
    £119.95
    £105.56
    Save £14.39
  • Fox Seatpost Lower External Cable 10.583 TLGFox Seatpost Lower External Cable 10.583 TLG

    Fox Seatpost Lower External Cable 10.583 TLG

    FOX Seatpost Lower External Cable Select size required
    £105.56
    £119.95
    £105.56
    Save £14.39
  • Fox Seatpost Cable Stop ActuatorFox Seatpost Cable Stop Actuator

    Fox Seatpost Cable Stop Actuator

    FOX Seatpost Cable Stop Actuator Part Number: 225-00-035
    £14.30
    £16.25
    £14.30
    Save £1.95
  • Fox Seatpost Beam ActuatorFox Seatpost Beam Actuator

    Fox Seatpost Beam Actuator

    FOX Seatpost Beam Actuator Part Number: 225-00-041
    £12.06
    £13.70
    £12.06
    Save £1.64
  • Easton Di2 Battery Holder 27.2mmEaston Di2 Battery Holder 27.2mm

    Easton Di2 Battery Holder 27.2mm

    Di2 Battery Holder For use in our 27.2 diameter posts the Di2 Battery Holder insert is an elegant solution to your internally routed Di2 build. Compatible with 27.2 diameter seatposts. Compatible with Di2 internal battery. Follow internal routing guide for Di2 installation.
    £13.19
    £14.99
    £13.19
    Save £1.80
  • Race Face Race Face Affect R Dropper Seatpost Black 31.6mm / 100mmRace Face Race Face Affect R Dropper Seatpost Black 31.6mm / 100mm

    Race Face Race Face Affect R Dropper Seatpost Black 31.6mm / 100mm - Black

    £234.03
    £269.00
    £234.03
    Save £34.97
    • Black
  • KS Suspension Spares & Accessories - Dropper Spares KGSL, Alloy

    KS Suspension Spares & Accessories - Dropper Spares KGSL, Alloy - Black

    The KG family of remotes kicked off an era of compact dropper remotes suitable for either left or right hands. Further integration with lock-ring style grips helped to clean up the control clutter even more.FEATURES Ergonomically designed for left or right hand operation Carbon...
    £43.49
    £49.99
    £43.49
    Save £6.50
    • Black
  • KS Suspension Dropper - Dropper LEV-Si

    KS Suspension Dropper - Dropper LEV-Si - Black

    LEV-Si bridges the gap between our premium and economical dropper posts.LEV-Si features all the functional performance characteristics which befit the LEV lineup using materials and architecture that are lower cost.FEATURES Updated cylindrical upper clamp nuts do not spin More vertical head clamp bolt angle...
    £182.69
    £209.99
    £182.69
    Save £27.30
    • Black
  • Fox FOX Transfer Performance Elite Dropper Seatpost 2025 - 34.9 x 180 (Internal)Fox FOX Transfer Performance Elite Dropper Seatpost 2025 - 34.9 x 180 (Internal)

    Fox FOX Transfer Performance Elite Dropper Seatpost 2025 - 34.9 x 180 (Internal) - Black

    Transfer Rises Again Droppers have come a long way in a few short years, and FOX is proud to have been a big part of the innovation. We took our learnings over more than a decade of engineering dropper posts to make the new...
    £277.53
    £319.00
    £277.53
    Save £41.47
    • Black
  • Fox FOX Transfer Performance Elite Dropper Seatpost 2025 - 31.6 x 210 (Internal)Fox FOX Transfer Performance Elite Dropper Seatpost 2025 - 31.6 x 210 (Internal)

    Fox FOX Transfer Performance Elite Dropper Seatpost 2025 - 31.6 x 210 (Internal) - Black

    Transfer Rises Again Droppers have come a long way in a few short years, and FOX is proud to have been a big part of the innovation. We took our learnings over more than a decade of engineering dropper posts to make the new...
    £277.53
    £319.00
    £277.53
    Save £41.47
    • Black
  • Zipp Seatpost Sl Speed 400 0Mm Offset B2 Seatpost

    Zipp Seatpost Sl Speed 400 0Mm Offset B2 Seatpost - Carbon With Matte Bl

    Zipp: LIGHT WEIGHT AND ROCK SOLID Zipp’s SL Speed Seatpost has become a favourite of road and cyclocross pros because of its light weight and dependability. Zipp’s engineers used SRAM’s Exogram technology to make the tube as lightweight as possible and optimized our clamping...
    £237.00
    £237.00
    • Carbon With Matte Bl
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