Light, nice and sturdy bike handlebar clamp will ornament your bicycle. Smooth rounded edges and low stack height are convenient for clamp’ s . Firm design offer comfortable and efficient installation. Use this seatpost sleeve adapter ring, you can change the handlebar tube to the size you want. Feature - Color: Black. - Material: POM. - Size: 3.9x3.18x3.18cm. - Durable Material: The handlebar clamp is made of . Heat treatment to high-strength, lightweight and durable working life. - Quality Superiority: The strong retaining item adds more clamping power and securely to fit into the frame tube. - Suitable for MTB, mountain bike, commuter, road bicycle, etc. - Recommendation: Your choice of bike handlebar size on the bike frame or seat tube size, please measure its external diameter before purchasing. Then make a right choice. - Great replacement accessories for bike cycling enthusiasts. Package list: 1 x Reducer Cover