Jt 53 Tooth Rear Sprocket with Keepitroostin Sticker Fits Honda Crf150f Crf230f 2003-2013 Fits Honda Crf150f Crf230f 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 JT Sprockets are made from the latest generation of computer design and control metal cutting equipment for maximum durability Replace OEM parts at a fraction of the price JT rear sprockets are made from the finest C45 high carbon steel, 7075 aluminum, or new titanal alloy Includes Keepitroostin Sticker All sprockets are heat-treated and hand-finished to meet or exceed the highest possible quality standards possible quality standards