We'd like to settle any problem in a friendly manner. It's just take you 1 minute. Color may be slightly different since different monitor. People always bought together with.
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)
BESNIN Bike Seat Post 27.2 Seatpost with 30.9mm 31.6mm Bicycle Seat Post Adapter Shim, 400mm Aluminum Alloy Bike Seatpost Pole for MTB BMX Road Bikes
Black for Bicycle Accessories Seat Post Adapter Shim Bike Seatpost Tube Reducing Sleeve Aluminum Alloy for Mountain Bike,Bike Seat Posts,Seats and Saddles（27.2mm to 30.9mm),Parts and Components
KREMORV Bike Seat Post Shim Bicycle Seat Post Tube Adapter Aluminum Alloy Seatpost Reducing Sleeve for Mountain Bike Road Bike MTB BMX
MTB Bikes Seat Post Shim Bicycle Tube Sleeve Reducer Seatpost Convert Adapter
