Campagnolo Chorus Rear Derailleur (12 Speed) Bikebox the One Tubeless provides an

the One Tubeless provides an excellent mix of grip

Reduces stress on knees

SILCA Butterfly technology allows for a cleaner

at a price closer to a 40-series

easy roadside repairs and dependable performance

Campagnolo Chorus Rear Derailleur (12 Speed) Bikebox the One Tubeless provides anThe new Chorus rear derailleur benefits from the same technology and design of top end Campagnolo products, incorporating the sophistication and performances of the 12 speed Super Record and Record. With just a few changes in the materials used for its construction, like the external plate and derailleur cage in aluminum, the Chorus version produces exactly the same performance as the two more expensive groupsets with the addition of just a few extra