What is the best bridge upgrade I can make for my Epi Elitist Casino? I am not sure of the construction of the epiphone abr-1 but you should. Ok, so I learned something great from the internet. The buzzing on my Casino is actually coming from a wire in the bridge that goes across the. I'd like to upgrade the bridge and tailpiece on my MIC Epiphone Casino. Can someone direct me to the best fitting and sounding parts? Thanks. Und ja - man kann! Are you staying with a trapeze or are you going with a Bigsby? Innengewinde M5 mit 7 mm Aussendurchmesser. Log in or Sign up. France English EUR Want help finding the right gear?