Description
13 Tooth Front Sprocket, 38 Tooth Rear Sprocket and 520-96L O-Ring Chain.All Race-Driven sprockets meet or exceed OEM specifications and use hardened S45C steel..O-Ring Chain helps keep the pins lubricated which reduces friction and helps the chain last longer..Fits 2004 2005 2006 2007 2008 2009 Yamaha YFZ450