System 3 Off-Road Sb-4 Beadlock Wheels 4/137 System 3 Off-Road has built the Sb-4 Beadlock Wheels to exceed expectations. Using billet material for the 10mm ring and 5/16 Grade 8 hardware these will hold up to the toughest of applications. Features: Strongest cast UTV beadlock wheel on the market Bolt-in center cap 1,200 lbs. load rating Includes Grade 8 5/16 beadlock bolts X 20 Offset: 4+3 (+15Mm) 5+5 (-5Mm) 6+1 (+45Mm Note: Image is for representation only. Actual product will vary dependent on bolt pattern and selected offset.