Campagnolo Chorus HO Rear Derailleur 2x11

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Description of Campagnolo Chorus HO Rear Derailleur 2x11

Chorus™ 11-speed's shifting precision is comparable to its higher tier siblings Record™ and Super Record™. The design and geometry of the rear derailleur are exactly the same. The only difference lies in the materials used, which made it possible to keep a favorable price without lowering the performance levels. A groupset dedicated to competition like the Chorus™ 11-speed can't forego showing its true competitive spirit, and the carbon fibre front plate is the proof.

The HO version of the Chorus rear derailleur has been especially optimized for disc-brake frames with with 142 mm OLD. The derailleur mounting link and its design has been adapted to provide an easy mounting and dismounting of the thru axle or rear wheel. Furthermore the teeth of the upper pulley has been extended to guarantee precisely shifting also at high skew.

Features and enefits of Campagnolo Chorus HO


Rear derailleur fixing bolts in aluminum
With the same resistance and stiffness, the new two-part system makes it possible to reduce the weight by 53% compared to steel and 22% compared to titanium and prolongs the component life.

ULTRA-SHIFT™ exclusive geometry parallelogram
Maximum derailleur stiffness, fast shifting, precision, reduction of possible play.

Design
The 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.

Carbon fiber front cage plate
Maximum rigidity, fast actuation and reduced friction.

Technologies of Campagnolo Chorus HO

Embrace Technology™
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.

Ultra-Shift™ System
Thanks to the Ultra-Shift™ patented system; you can move the chain simultaneously up 3 sprockets and then 5 down. Furthermore, the lever design allows for an ever lighter shifting, whilst maintaining the "click" sound featured on all Campagnolo® controls. The Ultra-Shift™ system is featured on 2011 Super Record™, Record™ and Chorus™ 11 Speed groupset ranges.



Compatibility note:

To ensure the functionality of the mechanical Super Record, Record and Chorus drivetrains, Campagnolo recommends to avoid the use of older components at shifting groups from 2015 on. A distinctive marking, a squared letter as in picture 2, helps recognizing actual shifting components. The letters of the corresponding parts (right Ergopower and rear derailleur / left Ergopower, derailleur, cups and crankset) should match.
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Fact Sheet of Campagnolo Chorus HO Rear Derailleur 2x11

Product Name: Campagnolo Chorus HO Rear Derailleur 2x11
Manufacturer: Campagnolo
Item Code: CAM374676
Manufacturer item code: RD18-CH1 (short)
RD18-CH1M (medium)
Material: aluminium, carbon
Weight: approx. 183 gram (short version, manufacturer information)
Largest sprocket: short cage: 29 teeth
medium cage: 32 teeth
Included in delivery: 1 RD
Manufacturer page: http://www.campagnolo.com
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Selection: Campagnolo Chorus HO Rear Derailleur 2x11
Still 4 in stock in stock, delivery time 1-2 days Version short
Still 3 in stock in stock, delivery time 1-2 days Version medium
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