We have a wide range of bicycle seatposts in stock for a range of bikes, including dropper seatposts. We also have parts and spares like seat clamps, seatpost mounts, shims and more. When buying a new seatpost check the diameter of your frame to make sure you buy the correct size (they are usually 27.2mm, 30.9 or 31.6). Seatposts are typically carbon or aluminium and will either have a quick release seat clamp or a fixed clamp that requires you to loosen a bolt to move it up or down. See below for our latest range of bicycle seatposts.