Internal routing for Shimano STEPS switch units and tested to the very demanding Zedler E-MTB Advanced Plus standard and the international DH standard (ASTM Cat. 5 Downhill) Patented oval bar shape provides increased vertical compliance Profile minimizes the 35mm clamping area and quickly changes to a flattened oval shape in the transition zone and then to the standard 22.2mm clamp for shifter/brakes/grips Strong and lightweight handlebar minimizes arm pump and vibration while maximizing steering response Third party online sales are strictly prohibited by manufacturer