The Base Handlebar uses custom engineered butting and bend profiles, 800mm width, and 35mm clamp for ideal ride characteristics. 9 degrees of backsweep is easier on the wrists than most traditional bends of handlebar, and 5 degrees of upsweep offers comfort at all angles. Key Features: Compatibility: 35mm clamp diameter, Customer engineered butting and bend profiles for optimal strength vs. weight and stiffness,Material: 6061 Aluminium,Rise: 35mm,Sweep: 9 degrees back, 5 degrees up,Weight: 410g.