Seat post clamps are made of 6061 aluminum, strong and sturdy, colorfast surface, great anti-corrosion. Bicycle seatpost clamp it's easy to install and use, it's no need any tool to install, and make adjusting seatpost height a breeze. 31.8mm bike seat clamp is fit seat post OD size 27.2 / 28.6mm. Suitable for mountain bike, indoor bike, trail bike can be used. Seat clamp is a great accessory for any style of bike.

Specification:
Product name: Bike seat post clamp.
Size: The inside diameter of bike seat post clamps: 31.8mm / 1.25".
Height: 65mm / 2.56".
Width: 46mm / 1.8".
Material: 6061 aluminum.
Color: Black.

You will receive:

1pcs seatpost clamp.

Notes:
1.Manual measurement, please allow slight errors on size.
2.The color may exist slight difference due to different screen displays.