Posted on March 6, 2014September 8, 2019 by Mr. Leslie WongCampagnolo Chorus Rear Derailleur I’m using a Campagnolo Chorus 11 speed groupset on my Eddy Merckx Professional frame. This is the Campagnolo Chorus rear derailleur. It has a carbon fiber front plate and an aluminum upper and lower body. Share this! RelatedCampagnolo Super Record Rear DerailleurJanuary 16, 2016In "Bicycles"Campagnolo C Record Rear DerailleurFebruary 25, 2012In "Bicycles"1984 De Rosa ProfessionalApril 27, 2014In "Bicycles"