Fit your bike
A seatpost shim lets you easily fit the 27.2 mm diameter dual-position seatpost into your larger seat tube.
Simple & Invisible
Just drop the shim in your frame's seat tube and insert the dual-position seatpost. Once installed, the shim is essentially invisible.
|Weight||27.2-30.9 mm - 43 g
27.2-31.6 mm - 51 g
27.2-31.8 mm - 53 g
|Material||Black anodized aluminum|