Material: Aluminum Color: Black Sprocket Teeth: 49 Sprocket Size: 520 Sprocket Position: Rear Talon Groovelite rear sprockets feature a self-cleaning groove to remove debris when riding in even the toughest conditions. All Groovelite sprockets are machined from high-grade aluminum alloy, making them some of the strongest and lightest sprockets on the market. This Item Fits the Following Applications: 2005-2013 Honda CRF450X 2005-2013 Honda CRF230F 2005-2013 Honda CRF150F 2004-2013 Honda CRF250R 2002-2013 Honda CRF450R 2000-2007 Honda XR650R 1996-2004 Honda XR400R 1996-2004 Honda XR250R 1984-2007 Honda CR250R 1984-2001 Honda CR500R 1983-2007 Honda CR125R