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 FLHRC ROAD KING CLASSIC 2012 FLS SOFTAIL SLIM 2012-2017 FLSS SOFTAIL SLIM S 2016-2017 FLSTC SOFTAIL HERITAGE CLASSIC 2008-2017 FLSTF FAT BOY SPECIAL 2011 FLSTF SOFTAIL FAT BOY 2008-2017 FLSTFB 1584 FAT BOY SPECIAL 2010-2012 FLSTFB SOFTAIL FAT BOY LO 2010-2017 FLSTFBS SOFTAIL FAT BOY S 2016-2017 FLSTN SOFTAIL DELUXE 2008-2017 FLSTNSE 1803 CVO DELUXE 2014 FLSTNSE CVO SOFTAIL DELUXE 2015 FLSTSB 1584 CROSS BONES 2008-2011 FLSTSE 1803 CVO SOFTAIL CONVERTIBLE 2010-2012 FXCWC SOFTAIL ROCKER CUSTOM 2008-2011 FXD DYNA SUPER GLIDE 2008-2009 FXDBI DYNA STREET BOB 2008-2017 FXDC DYNA SUPER GLIDE CUSTOM 2008-2015 FXDF DYNA FAT BOB 2000-2017 FXDI DYNA SUPER GLIDE 2008-2010 FXDL DYNA LOWRIDER 2008-2017 FXDLS DYNA LOW RIDER S 2017 FXDWG DYNA WIDE GLIDE 2007-2017 FXS SOFTAIL BLACKLINE 2011-2012 FXSB BREAKOUT 2013-2017 FXSE CVO PRO STREET BREAKOUT 2016-2017 FXST SOFTAIL STANDARD 2008-2015 FXSTB SOFTAIL NIGHT TRAIN 2008-2012 FXSTC SOFTAIL CUSTOM 2008-2010 FXSTI SOFTAIL STANDARD 2008-2010