SEATPOST SHIM - from 30.4mm to 27.2mm

Seatpost shims, ideal for using seatposts with a smaller diameter than your frame. Designed for Thudbuster seatposts, they are also compatible with most commercially available seatposts.

• Material: 7005 aluminum
• Sizes: for seatposts from 26 mm to 34.9 mm
• Length: 10 cm
• Weight: From 12 g to 48 g (depending on size)