Handlebar diameter: 31.8mm (1-1/4"), Steerer 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, and other bicycle types. Constructed of high-strength CNC machined 3D forged aluminum alloy, durable and fatigue resistant at a reasonable weight. Easy installation, compatible with original front fork stem. Four-bolt bar clamp securely holds handlebar in position, preventing flex or slipping. Ideal for bike modifications, DIY projects, and upgrades. The bicycle stem helps reduce tilting during rides and improves steering control. Specifications: Material: Aluminum Alloy Length: 35mm Rise: 0 Height: 40mm Handlebar compatibility: 31.8mm Steerer tube compatibility: 28.6mm Weight: approximately 120g Package Includes: 1 x Bike Stem Note: Color may vary slightly due to monitor color calibration. Slight measurement deviations may occur due to manual measurement.