JT SPROCKETS Aluminium Ultra-Light Self-Cleaning Rear Sprocket 251 - 520 for Yamaha WR125, WR250, YZ125 Fantic XE125, XX125

With their leading edge technology and using only the highest grade of special steel alloys, JT Sprockets produce a full range of superior quality motorcycle front and rear sprockets.

• Aviation-grade 7075-T6 aluminium alloy (Ergal) for lightweight competition sprocket
• Sprocket with "Anti-mud" finish which facilitates the projection of the particles, for a better transmission