a ▶ Handlebar diameter 31.8mm (1.25''), front fork stem diameter 28.6mm (1-1/8"), Length: 70/80/90mm (center distance of the two holes) ▶ Angle: +/- 35 degree. Help to up or down the heigth of handlebar ▶ Light weight and durable. Weight: 136g (0.3lb) ▶ Constructed of high-strength CNC machined 6061 T6 aluminum alloy ▶ Suitable for most road bike, mountain bikes, track bike, MTB, BMX, DH, etc