The bicycle seat post clamp is made of high-strength with good corrosion resistance and rust resistance, ensuring lightweight and durability. The firmness and stability of the tube clips provide a secure fit for your seat post, preventing any sliding or movement during riding. This seat post clamp is suitable for various types of bicycles, such as road bikes, mountain bikes, folding bikes, fixed gear bikes, etc., and is a great accessory for any style of bicycle. The quick release seat post collar can freely adjust the tightness of the tube clamp to ensure that the seat tube fits your seat tube securely, and you can easily adjust the seat tube height by simply fixing it with an Allen wrench, and enjoy convenience. Before purchasing a seat post clamp, you need to confirm the seat post label or seat post size. This bicycle seat post clamp should match the actual outer diameter of the seat tube on the frame, not the diameter of the seat tube itself. Any problems you have, please no hesitate to contact us, we’re always here to help you and response to you within 24 hours., Manufacturer: ZHANGWJ