The S3 sintered compound is optimal for street bikes, dual sport, touring, cruisers. It's recommended on applications with rather larger engines or for people who ride harder than average and want the great stopping power of a sintered brake pad. Fits: Aprilia 650 PEGASO FACTORY 2005-2007 PEGASO 650 FACTORY 2008-2011 RXV 550 2006 SXV 450 SUPERMOTO 2012-2013 SXV 550 SUPERMOTO 2012-2013 Husaberg 450FS E 2009-2012 450FS E SUPERMOTO 2006-2008 650FS 2006-2008 650FS C 2005-2006 650FS E 2005-2007 FS450/FS-C450/FS-E450 Motard 2001-2004 FS650 Motard 2004 KTM 450 SMR 2005-2006 560 SMR 2005-2006