Extra soft. Designed for rear use only. The standard in sintered pads long lasting pads. Quick reaction time & excellent stopping power. ABE approved. Note: See TRW 517713 for regular hardness.Note: Check your local MCS dealer or the MCS sales department for exact type of approval and validity on bike model and years on the test report. Rear: 06-07 FXSTB/C FLSTF 2006 FXSTS FXSTI 2007 FXST 00-03 XL (NU)