Campagnolo Super Record 11X Rear Mech 2016
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**COMPLETELY NEW DESIGN** The new shape of the external components enables the rear derailleur to move according to a different angle and the new internal design keeps the chain nearer the cassette to ensure better power transmission, greater and more secure traction, a better chain/sprocket interface and greater durability of components subject to wear and tear. **EMBRACE TECHNOLOGY(TM)** The special chainring positioned inside the gear body acts on a rectangular section spring that allows the component to move along a trajectory that perfectly follows the curve of the sprockets, on both the 11-23 cassette and the new 11-29. **ALUMINUM FIXING BOLT** The new two-part system is 53% lighter than steel and 22% lighter than titanium, without compromising resistance and rigidity levels and prolonging component life. **CARBON FIBRE UPPER AND LOWER BODY** Extreme rigidity and reduced weight. It increases rear derailleur precision and prolongs the life of component. **CARBON FIBER CAGE PLATE** Shifting positioning is exceedingly precise - extremely light. CARBON FIBER PARALLELOGRAM, AND EXCLUSIVE ULTRA-SHIFT(TM) GEOMETRY Maximum shifting rigidity, fast actuation, precision, friction reduction **CERAMIC BALL BEARINGS** Very smooth, reduces friction, prolongs life and shifting performance. **PULLEY CAGE ALUMINUM FIXING BOLTS** Lighter.