Feature: Made of aluminum alloy, which is light and beautiful, and the machining precision is precise, which can solve the problem of the size of your frame and the seat tube. Check the diameter of the original seat rod. Generally, there are markings. If not, measure the diameter of the lower seat rod. For example, the original seat rod diameter of the shop owner is 31.6mm. If the diameter of the original coordinate rod cannot be found, you can measure the inner diameter of the seat tube hole of the frame, which is 31.6mm as shown. The diameter of the newly purchased seat post is 27.2mm, so choose 27.2 to 31.6 CNC turning forming turning lines are clear and neat.
Specification: Colour: Black Model: 25.4 to 27.2, 27.2 to 31.6, 31.6 to 33.9 Weight: about 13g, 33g, 20g Suitable: Suitable for 22.2/25.4/27.2/31.6/33.9 caliber seat tube
Instruction: 1. Open the tube clamp, put the conversion sleeve into the seat tube hole of the frame, and push it to the end. 2. Insert the sitting rod into the conversion sleeve, adjust the height, and lock the pipe clamp.
Note: 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! Please allow 1-2cm measuring deviation due to manual measurement.