Bicycle Seat Post Parts Conversion Sleeve Reducing Sleeve Seat Tube Reducer Seat Post Tube Shim

Label:Yes CNC machining surface anodizing Color:Black Name: Seat Tube Reducer Package include: 1pc Seat Tube Reducer Material: Aluminum Zinc Zinc Zinc Zinc 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: 22.2 to 25.4,25.4 to 27.2,25.4 to 28.6,27.2 to 33.9,27.2 to 28.6,27.2 to 30.8,27.2 to 31.6 ,27.2 to 30.4,31.6 to 33.9 ,33.9 to 34.9