All single-disc applications require a 5/8" bore master cylinder All front dual-disc applications require the factory 11/16" bore (84 and later) or the GMA 3/4" handlebar master cylinder Brake pads included Made in the U.S.A. Not recommended for use with imported stainless steel rotors. When installing new calipers, always check spoke-to-caliper clearance.. CALIPER FT FXSTS SM BLK