Campagnolo chorus s2 11sp front mechwarning not compatible with 2014 groupsets the chorus s2 front derailleur excels in shifting performance and is comparable to its siblings record and super record this mech operation is fast responsive and precise with the chain moving between the rings with no hesitations with the new super record record and chorus groupsets shifting is extremely easy thanks to the long front plate of the front mech body meaning greater leverage and therefore truly re