Features:- Forged & shot peened from 6061 aluminum for high strength & fatigue resistance at a reasonable weight.- Four bolt bar clamp holds bar securely in position. - Reversible + or - 6°Specifications:- Built For: XC/Trail/AM- Steer Tube Diameter: 1 1/8- Stack: 40mm- Bar Diameter: 31.8mm- Rise: Reversible + or - 6ø- Weight: 140g (60mm)