MTX OE Steel sprockets are strong and durable, heat-treated and hand-finished for longevity. Front sprockets are constructed from SCM420 chromoly steel alloy where rear sprockets are constructed from C45 high carbon steel with a Zinc electroplated finish. Designed as an OEM replacement to exceed OEM specifications at a fraction of the price, making them your ideal cost-effective solution for replacing old worn and warped sprockets. OEM replacement Exceeds OEM specifications Heat treated and hand finished Pitch: 420 Teeth: 44
Fits: Yamaha DT80 1977-1983 GT80 1973 1976-1980 YSR50 1987-1992 YZ80 1974-1977