Features:The ultimate pro level full UD carbon monocoque time trial / triathlon aerobar as used by the top ProTeam professionals,Full one piece wind tunnel tested aerodynamic design UD carbon fibre monocoque construction gives a lightweight and stiff aerobar,31.8 mm oversized design further increases strength and stiffness,Curved reach adjustable UD carbon arm extensions for optimum positioning,Easy to adjust extension spacer system with internal cable routing port to adjust the height, can also be mounted under the bars,Two width positions for extension with included aero graphic to cover unused positioning holes,Gel padded arm rests with adjustable holders for optimum positioning,Full Internal gear and brake cable routing also suitable for Shimano Di2,Internal routing can also flow through the Missile EVO stem when used in conjunction with bars,UCI and ITU approved design,Width 40 cm centre-to-centre,Average weight 570 grams.