Features: brand new and high quality Made of high-strength aluminum alloy, with high strength, for tough and durable. 3D forging process, frosted surface, smooth and not hurting hands. The angle can be adjusted in -40-90 degrees to release pressure from the waist, improve riding posture and say goodbye to back pain. Handlebar Diameter 31.8mm (1-1/4in), Front Fork Stem Diameter 28.6mm (1-1/8”), Length: 75/95/130mm for option (center distance of two holes). Hollow design, shock absorbing and lightweight will not bring load to walk. With dust cover, effective dwaterproof water and dust proof. Hexagon socket screws are locked and fixed, installation is stable, and not simple to fall off, making riding safer. Specifications: Material: Aluminum Alloy Length: 75mm 95mm 130mm Handlebar Center Diameter: 31.8mm (1-1/4in) Stereer Tube Diameter: 28.6mm (1-1/8in) Adjustable Angle: -40 ° -90 ° Package Includes: 1 x MTB Bike Stem. note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!