1. This bicycle seat tube clamp is specifically designed for scooters, balance bikes, fixed-gear bikes, etc. It's a good option for cycling enthusiasts to improve vehicle performance. 2. It is made of aluminum alloy. Not only is it light in weight, effectively reducing the overall weight of the vehicle body and making cycling more relaxed and enjoyable, but it also has good strength and durability. It can withstand various pressures and frictions during daily cycling and is not easily damaged over long - term use. 3. Its specification is 30 millimeters and it can be compatible with many bicycles with corresponding tube diameters. It can ensure a tight fit with the seat tube, providing stable support for the seat tube, preventing the seat tube from loosening or shaking during cycling, and ensuring the safety and comfort of cycling. 4. The seat tube clamp is equipped with a lockable quick - release buckle design. This quick installation and removal method greatly facilitates users to adjust the seat tube height. Whether making fine adjustments according to personal cycling habits or quickly replacing the seat tube in different cycling scenarios, it can be easily achieved, saving time and energy. Choosing this seat tube clamp will significantly enhance your cycling experience and make every ride smoother and safer.