Suitable for Mountain bike, fixed gear and other bicycles. Stiff and sturdy, ensure long lifetime of using. Perfect design makes the handlebar adjust in a perfect position. Stereer Tube diameter: 28.6mm (1-1/8"), Handlebar Diameter: 31.8mm (1-1/4"), Total Length: 135mm, Weight: 180g, Degree: 17° Easy installation, just connect up the original front fork stem. Four bolt bar clamp holds bar securely in position. Light weight. Four bolt bar clamp holds bar securely in position. Easy installation, just connect up the original front fork stem. Universal short handle bar stem suitable for most road bike, fixed gear bicycle, mountain bikes, etc. Universal handle bar stem suitable for most road bike, fixed gear bicycle, mountain bikes, downhill bike, track bike, MTB, BMX, DH, etc. HIGH QUALITY :made of Full CNC forged and machined 6061 aluminum construction, This bicycle handlebar stem has passed extensive life and ultimate strength tests, durable and long life time guarantee. Brand new and high quality Suitable for Mountain bike, fixed gear and other bicycles Stiff and sturdy, ensure long lifetime of using Perfect design makes the handlebar fix at a perfect position This stem has passed extensive life and ultimate strength tests Material: Aluminum Alloy Material: high strength aluminum alloy, lightweight material. It has a quality tested loading capacity adding extra safety to your bike. Easy to install. 4 screws fixed, steady and easy to use. Short handle design: steering sensitivity, strong sense of control.