Bicycle Aluminum Alloy Seat Post Tube Reducing Sleeve Adapter Seatpost Reducer Road Bike Seatposts

Label:Yes CNC machining surface anodizing Brand new with high quality Material: aluminum alloy Quantity:1pc Name: seat tube reducer Size;As picture Color:Black How to choose: First measure the inner diameter of the tube in the frame And the outer diameter of the seat tube You can know the specifications of the reducer sleeve. Specification: 27.2-25.4-60 28.6-25.4-60 28.6-27.2-60 30.4-27.2-60 30.9-27.2-60 31.6-27.2-60 31.8-28.6-60 33.9-27.2-60 34.9-31.8-60 Package Include: 1pc seat post tube Notice: 1.Transition: 1cm=10mm=0.39inch. 2.Please allow 1-2mm error due to manual measurement and make sure you do not mind before ordering. 3.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!.