More informationCustom butted 6066-T6 alloy construction; Variable Radius Compact Flare (VR-CF) design provides more wrist room allowing you to adopt an ergonomic position; Compatible with aero bar with couplers; The profile of this road bar is more aerodynamic than traditional round handlebars; Internal cable routing for Di2 and standard sleeve; Laser-etched brake lever placement markings for a precise fit; UCI compliant;