Note: Please confirm the diameter of your handlebar before order. The bike stem is made of aluminum alloy, strong and stable riding makes you a smooth ride. Easy installation, just connect up the original front fork stem, four bolt bar clamp holds bar securely in position. Specifications Degree: 0° Material: Aluminum alloy Length: 98mm Height: 50mm;32mm Steer tube diameter: 28.6mm Handlebar center diameter:22.2mm The stand cover comes with anti-skid technology