Compatibility: Suitable only for handlebar diameter 31,8 mm (1-1 or 4 inch), front fork shaft diameter 28,6 mm (1-1 or 8 inch) and length 145mm. Suitable for mountain bikes, road bikes, track bikes, city bikes, fixed gear ratio bikes, BMX bikes, MTB bikes, DH bikes, etc. Adjustable handlebar bracket: Adjustable angle 85, lifting or lowering the handlebar height, you can flexibly adjust the angle and adjust the driving posture to your needs. The 1 handlebar bracket provides a more driving experience. Accuracy and safety: Printed scales and matching indicators for precise adjustment. The double safety screw design provides high stability and is not easy to fall off, ensuring driving safety. Wrought Alloy 3D: Made of high-strength aluminum alloy, 3D forging and CNC cutting process, anodized surface treatment, solid and durable, not easy to break, good corrosion resistance and oxidation resistance. Hollow design, fashionable and lighter. Easy installation: Simply connect the original handlebar bracket. The rod clamp with four screws keeps the rod securely in place. Specification: Color: Black Material: plastic aluminum alloy Size: as the picture shows Adjustable angle: 85 Suitable handlebar diameter: 31,8 mm Front fork shaft diameter: 28,6 mm The package contains: 1 x Bicycle Bracket 2 x Key