Vortex Red 38-Tooth Rear Sprocket 435ZR-38 vtx435ZR-38

Vortex CAT5 Rear Sprocket (520 / 38T) (Black) Compatible With 09-17 YAMAHA FZ6R

Vortex CAT5 Rear Sprocket 2 - Black, 520 / 38T CL77-452AZK-38

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

Vortex CAT5 Rear Sprocket (520 / 38T) (Blue) Compatible With 09-17 YAMAHA FZ6R

Vortex CAT5 Rear Sprocket (520 / 38T) (Blue) Compatible With 03-06 110AZB-38

Vortex CAT5 Rear Sprocket (520 / 38T) (Blue) Compatible With 03-06 120AZB-38

Vortex CAT5 Rear Sprocket (520 / 38T) (Blue) Compatible With 03-18 435ZB-38