Campagnolo Veloce 10 Speed Rear Derailleur Medium Cage
Thanks to the new design of the parallelogram, the rear derailleur is now lighter and more rigid, with the most effective and fastest shifting!

Aluminum parallelogram with exclusive Ultra-Shift™ geometry
Maximum shifting rigidity, fast actuation, precision, friction reduction
Ultra-Shift™ aluminum lower and upper body
Less weightless friction shifting precision
Special rubber pulleys
Reduced friction - less noise