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 FLD DYNA SWITCHBACK 2012-2017 FLHTC 1690 ELECTRA GLIDE CLASSIC 2012 FLS SOFTAIL SLIM 2012-2014 FLSTC SOFTAIL HERITAGE CLASSIC 2008-2014 FLSTF FAT BOY SPECIAL 2011 FLSTF SOFTAIL FAT BOY 2008-2014 FLSTFB 1584 FAT BOY SPECIAL 2010-2012 FLSTFB SOFTAIL FAT BOY LO 2010-2017 FLSTN SOFTAIL DELUXE 2008-2017 FLSTNSE 1803 CVO DELUXE 2013-2014 FLSTNSE CVO SOFTAIL DELUXE 2015 FLSTSE 1803 CVO SOFTAIL CONVERTIBLE 2010-2012 FXCWC SOFTAIL ROCKER CUSTOM 2008-2011 FXD DYNA SUPER GLIDE 2008-2009 FXDBI DYNA STREET BOB 2008-2018 FXDC DYNA SUPER GLIDE CUSTOM 2008-2015 FXDF DYNA FAT BOB 2000-2017 FXDL DYNA LOWRIDER 2010-2017 FXDLS DYNA LOW RIDER S 2017 FXDWG DYNA WIDE GLIDE 2007-2017 FXLR LOWRIDER 2018-2020 FXS SOFTAIL BLACKLINE 2011-2012 FXSB BREAKOUT 2013-2014 FXST SOFTAIL STANDARD 2008-2014 FXSTB SOFTAIL NIGHT TRAIN 2007-2012 FXSTC SOFTAIL CUSTOM 2008-2010 FXSTI SOFTAIL STANDARD 2008-2010