DT Swiss has engineered the ultimate aerodynamic combination of wheel and tire interface in collaboration with Continental with a joint tire: the Aero 111. Wheel and tire combinations pre-chosen and designed to be as aerodynamically efficient as possible. Tire Features:. Aero wheels have Aero 111 26mm front tire and GP 5000 STR 28mm rear tire (Front & rear sold separately). Aero 111 tires features 48 `vortex generators` which greatly reduce drag across the entire wheel system freeing up additional wattage. Continental`s Black Chili compound and Vectran Puncture resistant technology. Wheel Features:. Aero optimized aluminum clincher laced to a dependable 350 series hub with DT Aero Comp II straightpull spokes. Aero properties are further optimized with used of a hidden nipple system and DT Pro Lock nipples. Sleeved joint aluminum rim keeps the whole system affordable without reducing performance