This seat post shim allows you to install the Manic 50mm Gravel Dropper Seat Post (which has a 27.2mm diameter) in a frame designed for a 30.9mm seat post.
- Designed for use with the Manic 50mm Gravel Dropper Seat Post
This seat post shim allows you to install the Manic 50mm Gravel Dropper Seat Post (which has a 27.2mm diameter) in a frame designed for a 30.9mm seat post.