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

Label:Yes Size;As picture Brand new with high quality Name: seat tube reducer CNC machining surface anodizing Quantity:1pc Color:Black Material: aluminum alloy 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!.