Problem Solvers Seat Post Shims Stock Item:Problem Solvers Seatpost Shim 30.9mm To 31.6mm A high-density polymer structure gives

A high-density polymer structure gives the Air-Liner Road all the qualities of a good shock: it mutes chatter and ramps up under big impacts

BCD (mm): 104

Thanks to the combination of magnetic force and suction

a pretty big feather

or just listening to the hum of the tires and drivetrain – the reasons to ride are endless

Problem Solvers Seat Post Shims Stock Item:Problem Solvers Seatpost Shim 30.9mm To 31.6mm A high-density polymer structure givesPROBLEM SOLVERS SEAT POST SHIMS Switching frames doesn't mean you have to switch posts! Use your old posts without worry with our wide variety of seatpost shims. FEATURES 100mm long 3mm lip Alloy Problem Solvers seatpost shims are not intended for use with carbon seatposts