The SB-3 Beadlock wheel by system 3 Offroad�is engineered for aggressive riding and punishing terrain. This beadlock wheel features classic Baja styling and rugged modern construction. With a 10mm billet ring, 5/16" Grade 8 bolts, and a 1500 pound load rating, the SB-3 is the strongest cast UTV wheel on the market. The wheels stainless steel lug inserts are an industry first for a UTV wheel; these inserts ensure a tight fit that wont go oval shaped with use. � 10mm billet ring and 5/16" Grade 8 hardware Stainless steel lug inserts Replaceable bolt in center cap Load rated up to 1500 pounds