The A 1800 SPLINE wheels are now available as an aero-optimized wheel tire system (WTS), mounted with the new AERO 111 tire in 26 mm width in the front and a Continental GP 5000 STR in 28 mm width in the rearDT Swiss has engineered the ultimate aerodynamic combination of wheel and tire interface in collaboration with Continental with a joint tire: the Aero 111Wheel and tire combinations pre-chosen and designed to be as aerodynamically efficient as possibleTire Features:Aero 111 tires features 48 `vortex generators` which greatly reduce drag across the entire wheel system freeing up additional wattageContinental`s Black Chili compound and Vectran Puncture resistant technologyWheel Features:Affordable, entry level to the aero category featuring an aero tuned aluminum rim shape paired with hidden nipples and Aero Comp Straightpull spokes370 series hub with Ratchet LN 18 driverDT`s first aero-optimized aluminum rim700CRR20Thru 12mmBlkA1800 Spline370142Blk12s XDRCLDT Aero Comp SP24HDblPVUPC/EAN/GTIN: 7613052545493