033232 Honda CRF250X 2004-2017. 033232 Honda CRF450X 2005-2025. 033232 Honda CRF250R 2004-2025. 033232 Honda CRF450R 2002-2025. The perfect balance of weight, strength and durability. Laboratory designed by engineers to achieve maximum balance and optimization of key features like- load distribution, reduction of un-sprung rotating mass and tooth endurance result in a rear sprocket that is unparalleled in the market.