Description: Bike seatpost clamp with 2 screws Made of aluminum alloy material, lightweight and durable Easy and convenient to install and use Seat clamp with extra long quick release lever for added clamping force Suitable for MTB, mountain bike, folding bike, track bike, fixed gear, road bike etc Specification: Material: Aluminum Alloy Size(L x W x H): Approx. 30x19x13 mm / 11.8x7.5x5.1 inch Package Includes: 1 Piece Bike Seatpost Clamp Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!