Vintage Zildjian 1976 Bicentennial Rock 21 Ride Cymbal RARENotes Approximately 2750g (our scale increments by 50g) Previous owner thought it was late 50s. Based on the unique font of "Rock 21" we've dated it to the bicentennial edition A Vintage Zildjian 1976 Bicentennial Rock 21 Ride Cymbal RARE in Good condition! At Evolution Music, we attempt to highlight cosmetic defects (if any) by picturing every angle of every piece of gear so you know exactly what you are getting. We always picture any and all