Light, nice and sturdy bike seat post clamp will ornament your bicycle. Smooth rounded edges and low stack height are convenient for seat clamp’s . Round design and powerful bolt closure provides a firm seat clamp grip for retention and security. Firm design offer comfortable and efficient installation. Feature - Color: Blue. - Material: Aluminum alloy. - Size: 3.49 x 3.4 x 3.49cm. - Strong Material: The seat clamp is made of machined aluminum alloy. Heat treatment to high-strength, lightweight and durable working life. - Quality Superiority: The strong retaining bolt adds more clamping power and securely to fit the seatpost into the frame tube. - Vase Compatibility: , mountain bike, commuter, road bicycle, etc. - Recommendation: Your choice of bike seat clamp size on the bike frame or seat tube size, please measure its external diameter before purchasing. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 1 x bike seat clamp