Campagnolo Record 11 Speed Rear Derailleur

This is an 11 speed lightweight rear derailleur that has been designed to be more rigid, more precise and faster.
It has a forged Aluminium upper body, an Aluminium and Carbon cage, Carbon Fibre outer plate, which increases rigidity by 150%, and pulleys that turn on ceramic bearings, which are self lubricating.
It weighs 179g.