Constructed of CNC machined 6061 T6 high strength aluminum alloy. Glossy finish, exquisite workmanship. Suitable for 31.8mm diameter handlebar. Four bolt bar clamp securely holds the bar in place. This stem is constructed from high strength CNC machined 6061 T6 aluminum. It is suitable for 31.8mm diameter handlebars. Product Description This stem is constructed from CNC machined 6061 T6 high strength aluminum alloy. It is suitable for 31.8mm diameter handlebars. Features: Constructed of CNC machined high strength 6061 T6 aluminum alloy. Glossy finish , exquisite workmanship. Suitable for 31.8mm diameter handlebars. Four bolt bar clamp securely holds the bar in place. specifications: Material: Aluminum alloy Color: e black Handlebar diameter: 31.8mm Fork diameter: 28.6mm Weight: 120g / 4.2oz Package List: 1 * Bike Handlebar Stem