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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  • Basso Saddle Clamp Adaptors Seatpost

      Basso Saddle Clamp Adaptors Seatpost

      This adaptor will allow you to fit a saddle with alloy rails to specific Basso Seatposts Compatibility Heart seatpost from 2022 Diamante seatpost from 2023 Diamante SV seatpost from 2022  
      £24.00
      £29.00
      £24.00
      Save £5.00
    • Ritchey Comp 2-Bolt Seatpostritchey seatpost comp 2 bolt seatpost p105626

      Ritchey Comp 2-Bolt Seatpost - Bb Black

      Ritchey: Proven 2-bolt design provides a class-leading balance between strength, weight and easy adjustability. Low-profile clamp reduces stress on lightweight rails and won't bottom out. Material: 6061 alloyDiameter: 26.8, 27.0, 27.2, 30.9, 31.4, 31.6mmTotal length: 300, 350, 400mm (including 100mm of minimum insert)Offset: 25mmSaddle...
      £49.00
      £54.00
      £49.00
      Save £5.00
      • Bb Black
    • Cane Creek Eesilk+ Alloy Seat Post SeatpostCane Creek Eesilk+ Alloy Seat Post Seatpost

      Cane Creek Eesilk+ Alloy Seat Post Seatpost - Black

      Cane Creek introduces more travel to the eeSilk lineup with the eeSilk+. With 35mm of travel, the eeSilk+ is a suspension seatpost designed to noticeably soften any gravel or mixed-surface road. Like our 20mm travel suspension seatpost, eeSilk, the eeSilk+ comes in both alloy...
      £191.25
      £225.00
      £191.25
      Save £33.75
      • Black
    • Ritchey Comp Carbon Zero Seatpostritchey seatpost comp carbon zero seatpost p107458

      Ritchey Comp Carbon Zero Seatpost - Ud Matte

      Ritchey: The redesigned Zero post offers no-slip saddle engagement and high adjustability by securing the rails with fore and aft bolts. Whether you're hitting rough singletrack or remounting in a hurry, this ensures the saddle stays exactly where you want it. Material: carbon fiberDiameter:...
      £81.00
      £90.00
      £81.00
      Save £9.00
      • Ud Matte
    • Ritchey Comp Carbon 2-Bolt Seatpostritchey seatpost comp carbon 2 bolt seatpost p105627

      Ritchey Comp Carbon 2-Bolt Seatpost - Ud Matte

      Ritchey: A high-performance carbon post at entry level alloy pricing. 2-Bolt clamp is extra secure and easy to install. Material: carbon fiber / 6061 alloyDiameter: 27.2, 31.6mmTotal length: 350, 400mm (including 100mm of minimum insert)Offset: 25mmSaddle clamp: standardSaddle clamp torque: 13Nm (max)Seat collar torque:...
      £81.00
      £90.00
      £81.00
      Save £9.00
      • Ud Matte
    • Cane Creek Seatpost Shims Spares & Accessoriescane creek seatpost seatpost shims p70619

      Cane Creek Seatpost Shims Spares & Accessories

      Custom machined alloy sleeve to space 25.4 or 27.2 seatpost to larger seat tube diameters. 10cm long
      from £10.00
      from £10.00
    • X-Fusion Manic Remote Kit DropperXF - Manic Remote Kit

        XF - Manic Remote Kit

        Kit comes with:-Lever-Cable-Cable outer-Ferrules-Locking barrel
        £39.00
        £45.00
        £39.00
        Save £6.00
      • Trek Domane Mkiv Seatposts SeatpostTrek Domane Mkiv Seatposts Seatpost

        Trek Domane Mkiv Seatposts Seatpost - Carbon Smoke

        Seatpost Trek Domane MkIV KVF2 Long/5mm
        £141.00
        £160.00
        £141.00
        Save £19.00
        • Carbon Smoke
      • Thomson Seatpost Collar Spares & AccessoriesThomson Seatpost Collar Spares & Accessories

        Thomson Seatpost Collar Spares & Accessories - Silver

        The Thomson Seatpost Collar has several features that make it distinct. The collar utilizes the Thomson Seatpost bolt, washer and barrel nut combination that has proven strong over the years. This fastener combination allows float on both sides of the collar slot ensuring consistent...
        £40.00
        £45.00
        £40.00
        Save £5.00
        • Silver
        • Black
      • Merida Silex Scultura & Scultura Endurance (Carbon Models) Spares & AccessoriesMerida Silex Scultura & Scultura Endurance (Carbon Models) Spares & Accessories

          Merida Silex Scultura & Scultura Endurance (Carbon Models) Spares & Accessories

          Seat Clamp - Silex, Scultura & Scultura Endurance (carbon models)
          £25.00
          £25.00
        • Trek Seatpost Part Road Clamp Ears Spares & AccessoriesTrek Seatpost Part Road Clamp Ears Spares & Accessories

          Trek Seatpost Part Road Clamp Ears Spares & Accessories - Black

          Seatpost Part Trek Road Clamp Ears 7x9mm Oval   Bolt not included.
          from £17.00
          from £17.00
          • Black
        • Bontrager Carbon Friendly Quick Release Seatpost Clamp Spares & AccessoriesBontrager Carbon-Friendly Quick-Release Seatpost Clamp Black 36.4 mm

            Bontrager Carbon-Friendly Quick-Release Seatpost Clamp Black 36.4 mm

            See the spec chart for available diameters and compatibility;
            £6.00
            £6.00
          • KS Suspension Spares & Accessories - Dropper Spares Southpaw, Alloy

              KS Suspension Southpaw-Alloy, Traditional Alloy Under bar remote dropper lever - 22.2mm clamp - Black

              The Southpaw family of remotes has led the industry to be one of the first and best performing dedicated 1x underbar remotes available today. Each Southpaw remote is designed for a secure feel without added complexity and weight while incorporating ergonomics that compliment modern...
              £43.49
              £49.99
              £43.49
              Save £6.50
              • Black
            • Use Evo Ud Carbon SeatpostUse Evo Ud Carbon Seatpost

              Use Evo Ud Carbon Seatpost

              The Evo 91 is the newest innovation from USE. It is our lightest ever seat post and has been engineered alongside top athletes to create an inline post that can be used by professionals and amateurs alike. It has evolved from our SX post...
              £121.00
              £121.00
            • Bbb Skyscraper Seat Post [Bsp-20] SeatpostBbb Skyscraper Seat Post [Bsp-20] Seatpost

              Bbb Skyscraper Seat Post [Bsp-20] Seatpost - Black

              The sky is the limit! Compatible with all bikes. Cold-forged 6061 T6 aluminium. 2-screw micro-adjust system. Extra long seat post (400mm). Available in almost any existing seatpost diameter. Certified to use on all types of bikes, including MTB and Ebike. Specifications Usage City bike,...
              from £30.00
              £35.00
              from £30.00
              Save £5.00
              • Black
            • Bontrager Line Dropper Saddle Clamp Kit Spares & AccessoriesBontrager Line Dropper Saddle Clamp Kit Black 36.4 mm

                Bontrager Line Dropper Saddle Clamp Kit Black 36.4 mm

                Seatpost Part Bontrager Line Dropper Saddle Clamp
                £12.00
                £12.00
              • Tioga Seatpost - T-Bone Pivotal PostTioga Seatpost - T-Bone Pivotal Post

                Tioga Seatpost - T-Bone Pivotal Post - Flat Black

                Strong, light, long and secure - Tioga's forged alloy seat Pivotal compatible seat posts offer a great option for hardcore Mountain and BMX use. The pivotal design post allows a strong yet light weight seat post to saddle interface that is perfect for the...
                £32.18
                £36.99
                £32.18
                Save £4.81
                • Flat Black
              • Thomson Seatpost - Elite Seatpost SetbackThomson Seatpost - Elite Seatpost Setback

                Thomson Seatpost - Elite Seatpost Setback - Silver

                The Thomson Elite seatpost is over 40% stronger on ultimate strength tests than the strongest production seatposts on the market.The Elite has double the fatigue life of any other production models tested. The tube and head of the Thomson seatpost are integral-machined from one...
                £82.65
                £95.00
                £82.65
                Save £12.35
                • Silver
              • KS Suspension Dropper - Dropper Rage-i

                KS Suspension Dropper - Dropper Rage-i - Black

                Rage-i breaks new ground with never-before-seen performance and weight at such an affordable price point.FEATURES Updated cylindrical upper clamp nuts do not spin More vertical head clamp bolt angle Dedicated cartridge architecture is reliable and smooth Lightweight, rotating bottom actuator Reduced actuation force Longer...
                from £126.14
                £144.99
                from £126.14
                Save £18.85
                • Black
              • Shimano Sl-Mt800-L Adjustable Seatpost Lever I-Spec Ev Mount Left Hand Black Spares & AccessoriesShimano XTR SL-MT800-L adjustable seatpost lever, I-Spec EV mount, left hand, black

                  Shimano XTR SL-MT800-L adjustable seatpost lever, I-Spec EV mount, left hand, black

                  The ultimate in reliable lightweight dropper post lever to match the Shimano XTR groupset, engineered to perform in the most demanding conditions Light to the touch and positive with 7 mm of cable pull, compatible with most dropper seatposts Features a reliable bearings providing...
                  £39.94
                  £46.99
                  £39.94
                  Save £7.05
                • Hope Seat Clamp Bolt St Spares & Accessorieshope seat clamp seat clamp bolt st p134241

                  Hope Seat Clamp Bolt St Spares & Accessories - Black

                  *New for Aug 2024* - High quality seatpost clamp, made to last.   
                  £23.00
                  £23.00
                  • Black
                  • Smoke
                • Bontrager Rotary Head Seatpost Saddle Clamp Ears Spares & AccessoriesBontrager Rotary Head Seatpost Saddle Clamp Ears Spares & Accessories

                  Bontrager Rotary Head Seatpost Saddle Clamp Ears Spares & Accessories - Black

                  Compatible with Bontrager and Trek rotary head seatpost and seat mast systems;Replacement saddle ears for use with Bontrager saddles;Consult with the manufacturer on compatibility with other saddle brands;Does not include hardware;
                  £13.00
                  £13.00
                  • Black
                  • Silver
                • Dmr Bikes Sect Seat Clamp Spares & AccessoriesDmr Bikes Sect Seat Clamp Spares & Accessories

                  Dmr Bikes Sect Seat Clamp Spares & Accessories - Black

                  The DMR Sect seat clamp is completely rider designed and represent the realist dirt bike products around.Everything with the DMR Sect stamp is super-light and super-strong. The DMR Sect seat clamp is ready for the Dirt.The DMR Sect mtb seat post clamp is a...
                  £18.00
                  £18.00
                  • Black
                • Use Duro Carbon SeatpostUse Duro Carbon Seatpost

                  Use Duro Carbon Seatpost

                  The Ultimate Duro is made to be strong, light and durable; this 10mm layback post is designed using the most up to date composites and computer aids to create the carbon best lay ups to ensure this post does everything you need from hard...
                  from £74.00
                  from £74.00
                • Use Alien Carbon SeatpostUse Alien Carbon Seatpost

                  Use Alien Carbon Seatpost

                  The Alien Seatpost range is one of the lightest on the market and the Alien Carbon is the lightest in the range. Intelligent design and high grade materials ensure that the weight is as low as possible while maintaining durability and long lifespan. The...
                  £84.00
                  £84.00
                • Ritchey Wcs Carbon Zero Seatpostritchey seatpost wcs carbon zero seatpost p105636

                  Ritchey Wcs Carbon Zero Seatpost - Ud Matte

                  Ritchey: The redesigned Zero post offers no-slip saddle engagement and high adjustability by securing the rails with fore and aft bolts. Whether you're hitting rough singletrack or remounting in a hurry, this ensures the saddle stays exactly where you want it. Material: carbon fiberDiameter:...
                  from £130.00
                  £144.00
                  from £130.00
                  Save £14.00
                  • Ud Matte
                • Thomson Elite Seatpost Inline Seatpostthomson seatposts elite seatpost inline p100743

                  Thomson Elite Seatpost Inline Seatpost - Black

                  The Thomson Elite seatpost is over 40% stronger on ultimate strength tests than the strongest production seatposts on the market. The Elite has double the fatigue life of any other production models tested. The tube and head of the Thomson seatpost are integral-machined from...
                  £85.00
                  £95.00
                  £85.00
                  Save £10.00
                  • Black
                • Bontrager Xxx Saddle Clamp Barrel Assembly Spares & AccessoriesBontrager RSL 27.2 Seatpost Saddle Clamp Barrel Assembly Black One size

                    Bontrager RSL 27.2 Seatpost Saddle Clamp Barrel Assembly Black One size

                    Seatpost Part Bontrager XXX Saddle Clamp Barrel Assembly
                    £30.00
                    £35.00
                    £30.00
                    Save £5.00
                  • Thomson Spare Collar Replacement Boltwasher Nut 1 Each Spares & AccessoriesThomson - Spare - Collar Replacement BoltWasher Nut 1 each

                      Thomson - Spare - Collar Replacement BoltWasher Nut 1 each

                      The collar utilizes the Thomson Seatpost bolt, washer and barrel nut combination that has proven strong over the years. This fastener combination allows float on both sides of the collar slot ensuring consistent clamping force.
                      £5.00
                      £5.00
                    • Ks Suspension Dropper Eten DropperKs Suspension Dropper Eten Dropper

                      Ks Suspension Dropper Eten Dropper - Black

                      eTen-R represents one of the best values in droppers currently on the market. Lever actuated, cartridge-based architecture, sleek black anodised finish. FEATURES Alloy stanchion Alloy mast Sealed, air-sprung hydraulic cartridge Short insertion length to travel ratio Lever actuation Easily serviced
                      £97.00
                      £110.00
                      £97.00
                      Save £13.00
                      • Black
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