Steel Rear Sprocket 42T fits Street - 2001-2005

Steel Rear Sprocket 42T for Street - 2001-2005 Steel Rear Sprocket ... Gearing: 16/45 Chain/Links: 520 Conversion Teeth:42 Using the latest generation of computer design and control metal cutting equipment for maximum durability. Made from the finest high carbon steel or 7075 aluminum. Front sprockets are made from chromoly steel alloy. All sprockets are heat-treated and hand-finished to meet or exceed the highest possible quality standards.