Material: Aluminum Alloy. Diameter:31.8mm and 34.9mm.Diameter refer to seat post tube diameter not the seat post
This bike seat clamp is machined from aluminum alloy. The excellent material ensures that it is strong and durable. It colorfast surface, great anti-corrosion and not easy to break
Secure Fit: The clamp's design ensures a snug and secure fit for your seatpost, preventing any unwanted movement or slippage during rides
AVAILAABLE IN 2 SIZES: 31.8mm seatpost clamp suits for frame seat tube 30.2-32.1mm; 34.9mm seatpost clamp suits for frame seat tube 33.5- 35.2mm. Note that, this bicycle seatpost clamp should match the diameter of the seat tube on the frame, not the diameter of the seatpost itself
Our seat post clams are designed with hollow levers and weigh only 26g (0.9oz). It can be carried as a backup and will not cause any burden on you