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 XL 1200CA CUSTOM A 2013 XL 1200CB CUSTOM B 2013 XL 1200L SPORTSTER LOW 2006-2011 XL 1200R SPORTSTER ROADSTER 2006-2007 XL 1200V SEVENTY TWO 2012-2013 XL 883 2004-2008 XL 883L SPORTSTER LOW 2006-2010 XL 883N IRON 2009 XL 883N IRON 883 2013 XL 883R ROADSTER 2010-2012 XL SPORTSTER 2004-2005 XL1200C SPORTSTER CUSTOM 2012-2013 XL1200N NIGHTSTER 2012 XL1200X FORTY-EIGHT 2010-2013 XL50 2007 XL883C SPORTSTER CUSTOM 2012 XLH1200 SPORTSTER 2004-2010 XLH1200C SPORTSTER CUSTOM 2004-2013 XLH1200N NIGHTSTER 2000-2012 XLH1200R SPORTSTER ROADSTER 2000-2010 XLH883 IRON 2009-2013 XLH883 SPORTSTER 2004-2008 XLH883C SPORTSTER CUSTOM 2004-2012 XLH883L SUPER LOW 2011-2013 XLH883R SPORTSTER ROADSTER 2005-2007