Answer pro taper 720 am riser bar the protaper 720 am is a lightweight dependable all mountain handlebar it features protaper technology to put added strength in the clamp and rise sections without adding excess weight at the ends of the bar cutmarks make it easy to cut to your desired length features width 720mm weight 315g clamp diameter 31 8mm up sweep 4 back sweep 8 material 7050 series alloy buy answer components at chain reaction cycles