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: 53
Fits: Honda CR80R 1987-2002 CR85R Big Wheel 2003-2007 CRF150R SMALL WHEEL 2007-2015 CRF150RB BIG WHEEL 2010-2022