JT Sprockets front countershaft sprocket for a 520 chain, built to deliver reliable drive and long wear life. Computer-designed and precision made to meet high motorcycle industry quality standards.
Upgrade or replace your worn front sprocket with a JT Sprockets countershaft sprocket designed to deliver dependable power transfer and consistent chain engagement. A fresh, correctly-sized front sprocket helps reduce drivetrain wear, improves throttle response feel, and keeps your gearing performing the way it should.
Manufactured with a focus on strength-to-weight efficiency, JT uses advanced design and quality materials to produce sprockets that meet or exceed demanding motorcycle industry standards. The sprocket is heat-treated for durability and bead-blasted to reduce surface tension—helping it stand up to hard riding and frequent maintenance cycles.