Manufactured from hardened SCM-435 steel making them virtually indestructible CNC machining provides a perfect fit and smooth chain rotation Fully recessed and drilled to reduce rotational mass Gas impregnated carburized teeth provide durability and reduce chain drag Grooved to prevent dirt build up under the chain and prolong chain life � Note: Image for reference only. Actual product may vary according to vehicle. / Compatible with WR250F 2015-2018 / WR250F 2011-2013 / WR250F 2001-2009 / WR250R 2008-2018 / WR250X 2008-2011 / YZ125 2005-2019 / YZ250F 2001-2019 / YZ250FX 2015-2019