Cold drawn rim halves made from proprietary aluminum alloy. Lighter and stronger. Exclusive roll forged rim lip increases bead seat. Strength keeps rim ridged and round. Forged coined lug holes - dual patterned for longevity and durability. Features light weight and ultra high strength .155 6061-T6 aluminum alloy rim shell. Exclusive Roll Forged rim lip increases bead seat strength - keeps rim shell rigid and round on the roughest racing surfaces. Integral Ultra Tab Mud Cover eliminates the added weight of a Bead-Loc ring. Innter Bead-Loc ring 100% CNC machined from forged 6061-T6. Coined lugh holes for durability. Learn more about determining the proper wheel offset torque sequence and bolt pattern for your application by reading our tech article. Racing Wheel Principles.