Made fromaluminum alloy , and sturdy, with good durability and resistance. High strength, not easy to push, automatically restoring position, providing quick recovery closure. Conforming to ergonomic principle, providing a comfortable grip and reducing hand fatigue. Suitable for most types of bicycles, mountain bikes, folding bikes, or road bikes. Exquisites designs, providing excellent braking , ensuring safely riding., Manufacturer: XuQiZZpp