Features: Universal short handlebar stem, lightweight and easy to install, is an good replacement accessory. Handlebar diameter 31.8mm (1.25'), front fork stem diameter 28.6mm (1-1/8"), Length: 35mm (center distance of the two holes). Made of high-quality aluminum alloy, sturdy and wear resistant, not easy to deform and rust. Four bolt clamp holds handlebar securely in position, more stable and make cycling safer. Suitable for most bicycles, such as road bike, mountain bike, MTB, BMX, track bike, etc. Specification: Color: Black Material: Aluminum Alloy Front Fork Stem Diameter: 28.6mm Handlebar Diameter: 31.8mm Center Distance of Two Holes: 35mm Item Size: 80.5 * 51.8 * 46mm/ 3.2 * 2.0 * 1.8in Item Weight: 135g/ 4.8oz Packing List: 1 * Bike Stem Kit Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!