The JT motorcycle sprockets factory is today the largest and most advanced in the world. It is fully equipped with high accuracy machinery, including the latest generation of CNC computer design and computer controlled metal cutting equipment. Made from the latest generation of computer design and control metal cutting equipment for maximum durability. JT rear sprockets are made from the finest C45 high carbon steel or 7075 aluminum. Front sprockets are made from chromoly SCM420 steel alloy. All sprockets are heat treated and hand finished to meet or exceed the highest possible quality standards.