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: 12
Fits: GasGas EC125 2000-2006 EC200 2003-2009 EC250 2000-2004 2006-2015 EC300 2001-2019 EC300 (MARZ) 1999-2000 2006