Campagnolo super record 11 speed rear mechwarning not compatible with 2014 groupsets its the heart and soul of the recordtm 11s drivetrain the recordtm rear derailleur has always evoked competitions and wins and still today represents for professional racers the certainty of fast and extremely precise shifting even under load but you dont have to be a pro to take advantage of the performance features of the recordtm 11 speed the fun is for all the new shape of the external componen