" Race-Driven Front and Rear Steel Sprocket. You will receive 1 - 15 tooth front steel sprocket and 1 - 52 tooth rear steel sprocket, these sprockets have a 520 pitch and will fit the following: KTM 250 SX 2003 2004 2005 2006 2007 2008 All Race-Driven sprockets are manufactured to meet or exceed OEM specifications and are produced using hardened S45C steel to give you years and years of trouble free service.
