High Quality Material: This handle bar stem is made of premium aluminum alloy head, sturdy and durable. Excellent Workmanship: This bike stem is high polished, with beautiful black outlook, classic and charming. Perfect Size: This bicycle bar step is in 7.09inch length with 1inch tube diameter, 3.15inch forward extension length with 30 angle and 1inch installation aperture diameter. Easy To Install: This quill stem adopts weld less steel tube design, lightweight and strong. Wide Applications: This goose neck handle bar stem is widely applied for fixed gear, retro, road and folding bicycle, etc. Specification: Material: Aluminum Alloy Size Chart: 80x25.4x25.4x180mm/3.15x1x1x7.09inch Package Includes: 1 Piece Bike 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 online shopping!