Made of aluminum alloy which is strong, wear-resistant, long-lasting. Fork Tube Diameter is 0.87inch/22.2mm, handlebar clamp diameter is 1inch/25.4mm. Cross bar 100mm, vertical bar 150mm. Stem rise angle: 30/-17. Adopting the overall non-welding process, it is strong and durable. The stem sheath is provided to protect the safety of the stem. Lightweight and easy to mount and use. Suitable for MTB,mountain bike, road bicycle, racing car, ordinary car, light car, special vehicle, sport car, truck, beach cruiser bikes and so on. Specification: Material: Aluminum Alloy. Color: Black and Silver. Package Includes: 1 Piece Gooseneck Handlebar Stem Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!