Campagnolo Record 11s Front DerailleursWorks with both standard and compact chainringsMaximum ring 53t, minimum 34tItem SpecificationsWeight74gFront Derailleur Clamp31.8 (1-1/4")Front Derailleur Cable PullBottomDerailleur Capacity16Crank-FD TypeRoad Compact,Road DoubleFD/Shifter CompatibilityCampy Ergo DoubleFront Derailleur StyleTraditionalMax Ring53teethChain CompatibilityCampagnolo 11