Aluminum Quill Road Bikes Stem Length 80mm/17 Degree Handlebar Clamp 254mm Description: Material: aluminum alloy head and steel tube High polished silver outlook, beautiful and durable Weld-less steel tube design adopted, lightweight and strong 3.15in/80mm x 1.00in/25.4mm (Length and Handlebar clamp diameter) Wide applied for fixed gear, retro, road, folding bicycles and etc Specification: Color: black/silver Angel: -17 degree Stem height: 7.09in/180mm Diameter of tube: 0.87in/22.2mm Package Includes: 1Piece Quill Stem Note: Please allow 0.1-0.3mm differences due to manual measurement Please understand that we cannot guarantee photos and the real color are 100% the same due to the light irradiation or computer display difference. _x000D_