Pro Taper EVO Handlebar - Windham MX/RM Mid Bend - Black 1?" tubing at the clamping area Made from proprietary 4mm 7000 series aluminum alloy for superior tensile and yield strength Best balance between fatigue life, impact strength, and impact-absorbing flex High-tech, stress-relieved, shot-peened and anodized finish for unmatched durability Independent lab tests show that the EVO Handlebar leads the market in fatigue life