Vortex Stunt Rear Sprocket - Silver, 530 / 55T 251-55

Renthal 520 Ultralight Aluminum Rear Sprocket 48T Purple #154U-520-48GRPE

Mika Metals 520 Factory Series Chain Gold, 120 Links 520-01-FG

Vortex Steel Rear Sprocket - Black, 525 / 43T

Vortex Stunt Rear Sprocket - Silver, 530 / 55T 488-55CL77

Renthal 520 Ultralight Aluminum Rear Sprocket 48T Purple #150U-520-48GBPE

Vortex Racing Rear Sprocket Aluminum Silver 525 41 T CF Moto Kawasaki

Vortex CAT5 Rear Sprocket 2 - Black, 525 / 43T 435CZK-43