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: 428 Teeth: 47
Fits: Suzuki RM80 1982-1983 1989-2001 RM85 Small Wheel 2002-2021 RM85L Big Wheel 2002-2022 Yamaha YZ65 2019-2021 YZ80 1993-2001 YZ80 Big wheel 1999-2001 YZ85 Small Wheel 2002-2006 2008-2021 YZ85L Big Wheel 2002-2021