Race Face Atlas Riser Bar. Features: Super wide, cold drawn, seamless Air Alloy 7050 aluminum engineered to be light, yet withstand Downhill and Freeride abuse Internal taper increases strength and durability without adding weight Can be cut down to suit rider taste or type of riding Specs: Clamp Dia:31.8mm Rise:0.5" (13mm) Width:30.9" (785mm) Up Back Sweep:4/8 deg Color:stealth Weight:340g