Reserve Wheels Reserve 30 HD AL Wheelset - 29" 15 x 110/12 x 148 6-Bolt XD Aluminum DT350 DEG 90ptReserve Wheels Reserve 30 HD AL Wheelset 29" 15 x 110 12 x 148 6 Bolt XD Aluminum DT350 DEG 90pt. Your wheels are arguably the most important component on your mountain bike which is why Reserve developed an all new line of do it all aluminum wheels. Reserve aluminum wheels have been designed and developed to provide a product that rivals the performance of the much loved carbon wheels but at a much more accessible price point. And with an industry