Marketing Color: Natural Lightweight Front Computer-designed to achieve ultimate strength at minimum weight. JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value. Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry. Sprockets are heat-treated and beadblasted to reduce material surface tension. Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel. NOTE: When installing sprockets which differ from Factory sizes check for proper clearances before operating. This item fits the following vehicle applications: 2004-2007 fits HON CR125R 2004-2017 fits HON CRF250R 2004-2009 fits HON CRF250X 2012-2013 fits HON CRF250X 2015-2017 fits HON CRF250X