Campagnolo Record Rear Derailleur (Black) (10 Speed) (Medium Cage) - RD4-REXM
Campagnolo Record Rear Derailleur (Black) (10 Speed) (Medium Cage) - RD4-REXM, Carbon fiber front plate and cage, titanium hanger and alloy fixing bolts. Lightweight technopolymer pulleys in sintered material. Features: Requires 10-speed Ergopower levers and chain Medium cage can be used with either double or triple crank Specs: Largest Cog30 Cage LengthMedium ColorBlack Drivetrain Speeds10 Chain Wrap Capacity (teeth)37teeth Weight193g Rear Der/Shifter CompatibilityCampy Mirage/Veloce/Centaur Rear Derailleur Mount Type10x1 Standard