DescriptionIf you are looking for a professional and affordable tubeless bike stem set, then your research is over here. That's because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience.Features-Color:Red-Material:aluminum alloy - This product is made of aluminum alloy material and processed by CNC technology.- The product is light in weight and has improved strength.- It has passed the 120psi high pressure test, and there is no air leakage.- The lock nut is thickened and enlarged to increase friction, better fix the gas nozzle, and prevent air leakage.- It is taken to replace the leak of the old and make the tire rejuvenation, stop air leaks from old valves.