JT Steel Sprockets are the OEM quality choice, manufactured using only the finest grade of C49 high carbon steel for the rear sprockets, and SCM420 chromoly steel alloy for the front sprockets.
Fits:

KTM 60 SX 1998, KTM 60 SX 1999, KTM 60 SX 2000, KTM 60 SX 2001, KTM 60 SX 2002, KTM 65 SX 1998, KTM 65 SX 1999, KTM 65 SX 2000, KTM 65 SX 2001, KTM 65 SX 2002, KTM 65 SX 2003, KTM 65 SX 2004, KTM 65 SX 2005, KTM 65 SX 2006, KTM 65 SX 2007, KTM 65 SX 2008, KTM 65 SX 2009, KTM 65 SX 2010, KTM 65 SX 2011, KTM 65 SX 2012, KTM 65 SX 2013, KTM 65 SX 2014, KTM 65 SX 2015, KTM 65 SX 2016, KTM 65 SX 2017, KTM 65 SX 2018