Campagnolo 12 Speed Chorus Disc Brake mechanical group set. Used it for 1 year changed for Di’s. excellent working condition. Two marks on rear derailleur ( highlighted) includes - disc brake controls, rear derailleur, front derailleur, crankset 12x2 speed, 12 speed cassette/sprockets, 12 speed chain, caliper, torque cups. Mark on RH lever shown on final photo
