DJC Bike seatpost Shim Adapter 60mm 22.2 25.4 27.2 28.6 30 30.4 30.9 31.6 33.9 34.9 mm Aluminum MTB 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)
CYSKY Bike Seatpost 27.2 x 400mm with 4 Size Bike Seatpost Shim 28.6mm 30.4mm 30.9mm 31.6mm, Bicycle Seat Post for Mountain Bike Road Bike MTB BMX
CYSKY Bike Suspension Seatpost 27.2 x 350mm with Bike Seatpost Shim 28.6mm 30.9mm 31.6mm, Shock Absorber Bicycle Seat Post for Mountain Bike Road Bike MTB BMX
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)
UPANBIKE Bike Seatpost Shim Sleeve Bicycle Seat Post Tube Adapter For Mountain Bike Road Bike Electric Bicycle(27.2mm to 28.6mm)
