JT ALLOY Rear Sprocket JTA798.47 [428 CHAIN SIZE]
Aluminium Racing Rear Sprockets

Made from advanced aviation-grade 7075-T6 aluminium alloy, optimal lightweight design and CNC machined for performance and lifespan! All aluminium MX rear racing sprockets are manufactured from the best materials with a special self- cleaning design, and hand-finished to perfection.

Fitment:

SUZUKI
RM80 1982-1995
RM85 2002-2022

YAMAHA
YZ80 1993-2001
YZ85 2002-2022
YZ85 LW 2022