<ul><li>Convert any 27.2mm seatpost to a 28.6-31.6mm seatpost</li><li>Works with Cane Creek Thudbuster ST Seatpost (see item #50-2678) and Cane Creek Thudbuster LT Seatpost (see item #50-2677)</li></ul><br><br>Shim for road bike or mountain bike seatposts. Convert any 27.2mm seatpost to a 28.6-31.6mm seatpost Works with Cane Creek Thudbuster ST Seatpost (see item #50-2678) and Cane Creek Thudbuster LT Seatpost (see item #50-2677)

Cane Creek .ST27309 Seatpost Shim, 30.9