Seatpost Shim to allow 27.2mm Seatpost to be used in frame with 31.6mm seatpost mount.
TRKIMAL Aluminium Alloy Bike Seatpost Shim 27.2mm 30.9mm 31.6mm, 400mm Adjustable Bicycle Seat Post for Mountain Bike Road Bike MTB BMX (Black, 30.9mm)
TRKIMAL Aluminium Alloy Bike Seatpost Shim 27.2mm 30.9mm 31.6mm, 400mm Adjustable Bicycle Seat Post for Mountain Bike Road Bike MTB BMX (Blue, 27.2mm)
TRKIMAL Aluminium Alloy Bike Seatpost Shim 27.2mm 30.9mm 31.6mm, 400mm Adjustable Bicycle Seat Post for Mountain Bike Road Bike MTB BMX (Red, 31.6mm)
TRKIMAL Aluminium Alloy Bike Seatpost Shim 27.2mm 30.9mm 31.6mm, 400mm Adjustable Bicycle Seat Post for Mountain Bike Road Bike MTB BMX (Black, 31.6mm)
TRKIMAL Aluminium Alloy Bike Seatpost Shim 27.2mm 30.9mm 31.6mm, 400mm Adjustable Bicycle Seat Post for Mountain Bike Road Bike MTB BMX (Blue, 31.6mm)
Alloy Bike Seatpost Shim / Reducer - Black - 31.6mm / 30.9mm to 27.2mm,
