Bicycle-Seat Post Tube Shim-Seatpost Sleeve Mtb Bike Reducer Adapter Converter

feature: Made of aluminum alloy material lightweight and durable it can be used for a long time. Fully machined non-slip easy to install and remove Suitable for MTB bikes mountain bikes road bikes and more. It can be used as a set of large-diameter-seatposts and small-diameter-seatposts. CNC machining surface anodized Specification: Product Name: A-Seat Tube Reducer Material: aluminum alloy Specification: 22.2 to 25.4 25.4 to 27.2 25.4 to 28.6 25.4 to 30.9 25.4 to 31.6 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 28.6 to 31.8 30.9 to 36 30.9 to 31.6 31.8 to 34.9 31.6 to 33.9 33.9 to 34.9 27.2 to 30.9 27.2 to 30 30.9 to 33.9 Packing size: 80*60*60mm Package Contents: Seat tube reducing sleeve *1 Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.