Material:aluminum alloy. Quantity: 1pc.
Bike Seat Tube Reducer Reducing Sleeve Seat Post Shim Bicycle Seatpost Sleeve
Bicycle Seatpost Sleeve Seat Post Shim Seat Tube Reducer Reducing Sleeve
30.9mm To 31.6mm 27.2mm Bicycle Seatpost Sleeve Shim Bike Seat Post Tube Adapter
Azarxis Bike Seatpost Shim Bicycle Seat Post Tube Adapter Shim Sleeve 100mm Aluminum MTB Bicycle Reducing Sleeve 25.4 27.2 28.6 31.8 to 27.2 28.6 30.4 30.9 31.6 31.8 33.9 34.9 (I.D.φ27.2/O.D.φ30.9)
Azarxis Bike Seatpost Shim Bicycle Seat Post Tube Adapter Shim Sleeve 100mm Aluminum MTB Bicycle Reducing Sleeve 25.4 27.2 28.6 31.8 to 27.2 28.6 30.4 30.9 31.6 31.8 33.9 34.9 (I.D.φ25.4/O.D.φ27.2)
