JT Sprockets is the world's leading aftermarket sprocket manufacturer, constantly raising the industry's standards of quality and service. We are committed to providing the most durable and highest quality sprockets available on the market worldwide. For this reason, we produce and sell more sprockets than all other aftermarket brands combined.\nJT sprockets are made from only the best materials available. 7075-T6 aerospace grade aluminium alloy for lightweight competition sprockets, SCM420 chromoly steel alloy for front sprockets, and we are the only sprocket manufacturer to use ultra-durable C49 high carbon steel for rear sprockets.\nJT Sprockets' factory is the largest and most modern in the world. It is fully equipped with high-precision machinery, including the latest generation of CNC computer design and computer-controlled metal cutting equipment.\n\nThe essence of a high-quality sprocket lies in the high precision of the manufacturing and the quality of the material. Through .