Features1Universal short handlebar stem, lightweight and easy to install, is an great replacement accessory. 2Handlebar diameter 31.8mm (1.25\u0027\u0027), front fork stem diameter 28.6mm (1-1/8\"), Length: 80mm (center distance of the two holes) 3Made of high quality aluminum alloy, sturdy and durable, not easy to deform and rust. 4Four bolt clamp holds handlebar securely in position, more stable and make Cycle safer. 5Suitable for most bicycles, such as road bike, mountain bike, cyclocross bike, adventure bike, etc.SpecificationAluminum alloy bike stem, durable and not easy to deform, is suitable for most bicycles, such as road bike, mountain bike, cyclocross bike, adventure bike, etc.. Features:Universal short handlebar stem, lightweight and easy to install, is an great replacement accessory. Handlebar diameter 31.8mm (1.25''), front fork stem diameter 28.6mm (1-1/8"), Length: 80mm (center distance of the two holes) Made of high quality aluminum alloy, sturdy and durable, not easy to deform and rust. Four bolt clamp holds handlebar securely in position, more stable and make Cycle safer. Suitable for most bicycles, such as road bike, mountain bike, cyclocross bike, adventure bike, etc. Specifications:Color: Silver Material: Aluminum Alloy Front Fork Stem Diameter: 28.6mm Handlebar Diameter: 31.8mm Center Distance of Two Holes: 80 BCD Item Weight: 123g/ 4.3oz Package Size: 100 * 50 * 50mm/ 3.9 * 2.0 * 2.0in Package Weight: 130g/ 4.6oz Packing List:1 * Bike Stem KitPackage List1 * Bike Stem Kit