JT Self-Cleaning Rear Sprocket Steel 520 48T

The new standard in 520 steel rear motocross sprockets. A unique self-cleaning design keeps the contact area clean from dirt and mud while significantly reducing weight. Made from heat-induction hardened C45 steel which lasts up to six times longer than a 7075 aluminum sprocket and greatly extends chain life.

• Computer designed to achieve ultimate strength at minimum weight
• Every sprocket meets or exceeds the highest possible quality standards
• Sprockets are heat-treated and bead blasted to reduce material surface tension
• Steel rear sprockets are made with top-quality Japanese C45 high carbon steel