Campagnolo Record Rear Derailleur - 11 Speed Medium Cage Carbon ERD-591mm 5 Wheel Diameter 20 Color

5 Wheel Diameter 20 Color Black

Advanced construction and a unique combination of a supple 120 TPI casing and lightweight R:Shield + M:Wall protection layers

Misc #232 Trek

}Zipp Service Course Stem - 105mm 31

High grade polymer pulley wheels (12T upper 14T lower) allow for smooth chain running and secure retention

Campagnolo Record Rear Derailleur - 11 Speed Medium Cage Carbon ERD-591mm 5 Wheel Diameter 20 ColorCarbon fiber front plate with lightening holes and cage alloy fixing bolts. Campagnolo Ultra Shift parallelogram maximizes stiffness shifting speed and precision. Lightweight technopolymer pulleys in sintered material. Compatible with Potenza and model year 2015 and newer Chorus Record and Super Record Not compatible with pre 2015 Campagnolo drivetrains Rear Derailleur Mount Type 10x1 Standard Rear Der Shifter Compatibility Campy Centaur Potenza