For seatpost diameters not listed as "Direct Insert" please choose from the following shims.

This range of shims is specifically for use with OD 30.9mm & 31.6mm Thudbuster Posts.

Shims For Irregular Sizes OD 31.6 mm & 34.9mm

AU$26.95Price
Choose a Shim to Fit Your Bike
    • Twitter Square
    • facebook-square

    © 2019 by Dirt Works Australia Pty Ltd.