Make from high strength aluminum alloys, ensures its durability and resiliences against wear and tear. Features a hollowed out design that significantly reduces its weight. Enjoy a bike without compromising on strength. The bicycles seatpost clamp utilizes a screw and nut locking systems, which automatically adjusts angles and prevents deformation caused by concentrated stress when tightened. With its simple design, this bicycles seat tube clamp can easily installed without any hassle. Whether you have a mountain bike, or road bike, or hybrids bike, this clamp will provide a secure and adjustable fit., Manufacturer: XuQiZZpp