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Speed, precision, smoothness and better looks: the first rear derailleur with carbon fibre upper and lower body will amaze even the most demanding of cyclists.
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.
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.
Upper And Lower Body In Monolithic Technopolymer With Carbon Powder
maximum lightness yet still resistance to knocks and the elements
Carbon Fiber Cage Plate
Shifting positioning is exceedingly precise - extremely light.
Carbon Fiber Parallelogram, And Exclusive Ultra-Shift 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
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