Handlebar diameter: 31.8mm (1-1/4"), Steer tube diameter: 28.6mm (1-1/8"), Length: 35mm (center distance of the two holes), Weight: 120g Universal short handlebar stem suitable for most road bikes, fixed gear bicycles, mountain bikes, downhill bikes, track bikes, MTB, BMX, DH, etc. Constructed of high-strength CNC machined 3D forged aluminum alloy, durable and fatigue resistant at a reasonable weight. Easy installation, just connect to the original front fork stem. Four-bolt bar clamp holds bar securely in position, no flex or slipping. Suitable for modified, DIY, or upgrading bikes. The bicycle stem helps reduce tilting when riding and provides better control over steering. Specification: Material: Aluminum Alloy Length: 35mm Rise: 0 Height: 40mm Fit for handlebar: 31.8mm Fit for steer tube: 28.6mm Weight: about 120g Package Includes: 1 Piece Bike Stem Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slight measuring deviation due to manual measurement.