Handlebar diameter : 31.8mm (1-1/4"), -7 degrees or -17 degree choose, Stereer Tube diameter: 28.6mm (1-1/8"), Length: 60mm 70mm 80mm 90mm (center distance of the two holes).
Universal short handle bar stem suitable for Most Road Bike, Mountain Bikes Neck, Downhill bike, Track bike, MTB, BMX etc.
Constructed of high-strength aluminum alloy.
Easy installation, just connect up the original front fork stem. Four bar clamp holds bar securely in position
Suitable for modified, DIY, upgrade the bike. Downhill, Chongshan, Climbing, with them very comfortable.