The Campagnolo Chorus rear derailleurs have a parallelogram of design with an oversized carbon outer plate. The use of light alloy and composite reduces the weight while maintaining absolute operating precision. The dimensional precision has eliminated any possible play between the parts right from the beginning.
|Hub/Brake Compatibility||Rim Brake|
|Front Wheel Type||Track|
|Front Hub Spacing||100|
|Front Axle Type||9x1|