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: Indian CHIEF CLASSIC 2015-2018 CHIEF VINTAGE 2014-2020 CHIEFTAIN 2014-2018 CHIEFTAIN DARK HORSE 2017-2020 ROADMASTER 2015-2021 ROADMASTER CLASSIC 2018 SPRINGFIELD 2017-2020 Kawasaki Z1000 2003-2006 2013 Z800 2013-2016 Z800 ABS 2016 Z900 2017-2021 ZX9R 2002-2003 Suzuki GSX1300BK B-KING 2007-2014 GSXS750 2018-2019 Triumph DAYTONA 675 2006-2008 SPEED TRIPLE 1050 2005-2007 STREET TRIPLE R 2017 STREET TRIPLE R 675 2009-2016 TIGER 1050 2006-2013 TIGER SE ABS 2014 TIGER SPORT 2013 TIGER SPORT ABS 2014-2021 Victory 1634 HAMMER 2008 1634 VEGAS 8 BALL 2008-2011 1634 VEGAS LOW 2009-2010 1731 BOARDWALK 2013 1731 HAMMER 2008-2012 1731 HAMMER 8 BALL 2014 1731 HAMMER S 2014 1731 HIGHBALL 2012-2014 1731 JACKPOT ORANGE 2014 1731 JACKPOT RED 2014-2015 1731 JUDGE 2013 1731 KINGPIN 2008-2009 1731 VEGAS 8 BALL 2008-2013 1731 VEGAS JACKPOT 2008-2013 CROSS COUNTRY 2015-2017 CROSS COUNTRY TOUR 2015-2017 GUNNER 2015-2017 HAMMER 8 BALL 2015-2017 HAMMER S 2015-2016 HIGH BALL 2015-2017 JACKPOT 2016 JUDGE 2015 MAGNUM 2016-2017 VEGAS 2017 VEGAS 8 BALL 2015-2017