UPANBIKE Bicycle Seat Post Shim Sleeve Saddle Tube Shim Sleeve for Mountain Bike Road Bike Electric Bicycle to (27.2mm 30.0mm)

Made of aluminum alloy, it is lightweight yet durable. Shim total length: 60mm. Size: 25.4mm to 27.2mm (converts 25.4mm seatpost to fit 27.2mm seat tube). CNC precision processing, excellent anti-slip performance. Before ordering, please check the outside diameter of your bike frame's seatpost (measure the inside diameter of your old clamp or measure the outside diameter of your seat tube). Product Specifications Material:Aluminum alloy Color:black Net weight:20g Use this seatpost shim sleeve,you can use 25.4mm seatpost on your 27.2mm bike seatpost. Size: 25.4mm to 27.2mm 25.4mm to 28.6mm 25.4mm to 31.6mm 27.2 mm to 28.6mm 27.2mm to 30.0mm 27.2mm to 30.4mm 27.2mm to 30.8mm 27.2mm to 31.6mm 27.2mm to 33.9mm 31.6mm to 33.9mm Package included: 1 piece seatpost shim