Description: Handlebar diameter: 31.8mm (1-1/4"), Stereer Tube diameter: 28.6mm (1-1/8"), Length: 35mm (center distance of the two holes), Weight: 137±5g Universal short handle bar stem suitable for most road bike, fixed gear bicycle, mountain bikes, downhill bike, track bike, MTB, BMX, DH, etc. Constructed of high-strength CNC machined 3D forged aluminum alloy, durable and fatigue resistance at a reasonable weight. Easy installation, just connect up the original front fork stem. Four bolt bar clamp holds bar securely in position, no flex or slipping. Suitable for modified, DIY, upgrade the bike. The bicycle stem not only helps to reduce the amount of tilting when riding a bicycle but also gives better control over the ability to steer. Specification: Material: Aluminium Alloy Length: 35mm Rise: 0° Height: 41.8mm Fit for handlebar: 31.8mm Fit for stereer tube: 28.6mm Weight: about 137g Package Includes: 1 Piece Bike Stem Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.