Vortex CAT5 Rear Sprocket (520 / 46T) (Blue) Compatible With 99-02 YAMAHA YZF-R6

Vortex CAT5 Rear Sprocket (520 / 49T) (Blue) Compatible With 99-02 642AZB-49

Vortex Silver 45-Tooth 530-Pitch Rear Sprocket 823-45 3-82345 823-45 vtx823-45

Vortex Silver 45-Tooth Rear Sprocket 525-45 vtx525-45

Vortex Steel Rear Sprocket Black - 520 - 45-Tooth 435S-45

Vortex - 491A-45 Road 45 Tooth 520 Rear Sprocket Silver 491A-45 1211-0543

Vortex 642A-45 Road 45 Tooth 520 Rear Sprocket Silver Yamaha YZF-R6 1999-2002

Vortex CAT5 Rear Sprocket - Black, 520 / 45T 452AZK-45