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: 520 Teeth: 43
Fits: Yamaha FZR400 RR 1987-1992 RZ250 1984-1987 RZ350 YPVS 1983-1984 RZ350R 1985-1987 SRX600 1985-1990 SZR660 1996-2001 TZR250T 2MA 1987-1988 TZR250W 3MA 1989-1990