The perfect high strength sprocket for your performance bike or chopper. This design is made to perfectly match our Antihero Wheels, but looks great on any wheel. Our Antihero Sprocket is 100% American made, from high strength 4140 US made steel and black oxide coated or chrome plated. This sprocket, machined to exact tolerances, will fit only 2000/later rear wheels with 7/16” mounting bolts. Zero offset.