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: Harley Davidson FLHRC ROAD KING CLASSIC 2007 FLHRS ROAD KING CUSTOM 2000-2003 2005-2006 FLHRSE ROAD KING SCREAMING-EAGLE 2007 FLHT 1450 ELECTRA GLIDE 2005-2006 FLHT Electra Glide Standard 2007 FLHTC 1584 ELECTRA GLIDE CLASSIC 2007-2011 FLHTC Electra Glide Classic 2007 FLSTF SOFTAIL FAT BOY 2007 FLSTN SOFTAIL DELUXE 2007 FLSTSC SOFTAIL SPRINGER CLASSIC 2006-2007 FXDS 1450 DYNA CONVERTIBLE 2006 FXDS Dyna Convertible 1999 FXDSE DYNA SCREAMING EAGLE 2007-2010 FXDSE2 Screamin Eagle Dyna 2007-2008 FXDWG DYNA WIDE GLIDE 2007 FXST 1450 SOFTAIL STANDARD 2006 FXST SOFTAIL STANDARD 2007 FXSTB SOFTAIL NIGHT TRAIN 2007 FXSTBIC NIGHT CREEPER 2007 FXSTSSE SOFTAIL SPRINGER S-EAGLE 2007-2008 FXSTSSE3 SOFTAIL SPRINGER CVO 2009 XL 883 SPORTSTER 2000-2002 XLH 883 SPORTSTER CUSTOM 53 2000-2003 XLH SPORTSTER SUPER 2000