Reserve Wheels Reserve 30 HD Wheelset - MX 29"F/27.5"R 15 x 110/12 x 148 6-Bolt XD Carbon DT350 DEG DFReserve 30 HD wheels feature a 30mm internal width that supports 2. 3 2. 5" tires and the thick rim beads stand up to the abuse of tough rocky steep tracks ridden at elite speed. While DH rims see greater single impacts nothing beats the full weekend of regular abuse that an EWS race dishes out. To say nothing of the infamous 'Anti Grip' and the rocks buried within the moondust in the Andes of Chile. Designed for DH riding and racing Carbon fiber