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: 14
Fits: Yamaha WR250F 2001-2004 2006-2007 2009 2011-2012 2014-2021 WR250R 2008-2012 2014-2021 WR250X 2008-2012 YZ125 2005-2009 2011-2021 YZ125X 2020-2021 YZ250F 2001-2007 2009 2011-2021 YZ250FSP 2021 YZ250FX 2015-2017 2019-2021