Description: 【Easy to Adjust】: This seatpost clamp adopts a quick release structure, which allows you to easily adjust the seat height without any tools, even while riding 【Premium Material】: This bike seat post clamp is made of high strength material, which is light and strong, with excellent compression and wear resistance. It can easily cope with various weather conditions 【Fim Design】: The screw tightening design of the bike seat tube clamp ensures that the seatpost is firmly fixed to prevent shaking or sliding during riding 【Universal】: This multi functional folding bike seatpost clamp is suitable for most bicycles (the frame needs to have a tube lock), which is practical and can adapt to different models of bikes 【Easy Installation】: The quick release structure of the bike seat tube fastener allows for quick and efficient installation, and even beginners can easily get started Specification: Material: Metal   Size Chart: Length:7.7cm/3.03inch Package Includes: 1 Bike Seatpost Clamp Note: Please allow slightly errors due to manual measurement and different monitors.