Campagnolo Chorus HO / H11 Groupset 2x11 - Hydraulic Disc Brakes - Flat Mount

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Description of Campagnolo Chorus HO / H11 Groupset 2x11 - Hydraulic Disc Brakes - Flat Mount

The Campagnolo Chorus drivetrain represents the perfect solution for the sophisticated cyclist searching for Super Record performance at a more competitive price. Fitting a Campagnolo drivetrain to their bike has always been the ambition of many keen cyclists. And now the high performance standard and the aesthetic Campagnolo design are even available for hydraulic disc brakes.

The Campagnolo Chorus HO groupset consists of:

  • H11 Ergopower 2x11
  • H11 brake calipers - Flat Mount
  • H11 Ultra-Torque Carbon crankset 11-speed
  • Chorus front derailleur 2x11
  • Chorus HO rear derailleur 2x11
  • Chorus cassette 11-fach
  • Chorus chain 11-fach
Brake discs, adaptors, hubs and bottom bracket cups are not included. These can be ordered separately.


Campagnolo H11 Ultra Shift Ergopower dual levers

The high-end solution of Campagnolo disc brake systems goes by the name of H11 and comes complete with a sophisticated carbon fiber brake lever. It contains Ultra Shift™ internals specifically designed for 11-speed mechanical rear derailleurs.

Ultra Shift™ mechanism
with differentiated maximum number of upshifting clicks depending on the starting spocket


This groupset allows multiple shifting (up to 5 sprockets). Rapid positioning on the combination desired when there is a steep increase in the slope or when approaching a bend (up to 4 combinations with chain on the first 4 sprockets, up to 3 combinations with chain above the fourth sprocket).

Campagnolo H11 Flat Mount brake calipers

Great controls must be connected to equally potent and reliable brakes to offer fantastic performance. The forged aluminum Campagnolo disc brake calipers are available in a Flat Mount configuration meticulously studied to be perfectly compatible with all flat mount frames and forks currently available.

The front Flat Mount brake caliper is suitable for the use of 160 mm brake discs (sold separately).

Campagnolo H11 Ultra-Torque Carbon crankset

As the geometries and spacing found on disc brake frames differs a good deal with respect to their traditional rim brake predecessors the design of the transmission and chainline must take these differences into account to ensure optimum performance. Campagnolo engineers have developed the H11 crankset to match perfectly with Super Record, Record and Chorus transmissions. This ensures shifting is as crisp, clean and precise as on any other groupset with rim brakes. This crankset design provides excellent precision for 142 mm rear spacing and does so without altering the Q factor.

The maximum that you could ask for in performance and smoothness. The H11 crankset is an extraordinary concentration of technology and performance: extremely high overall stiffness, extraordinary lightness, fast and precise shifting.

UltraTorque™ technology
Pressure on the pedals transmitted efficiently without any power loss


Campagnolo found a way to permanently conjoin the semi-axles of the bottom bracket to the respective crankset arms. This redesign made it possible to considerably reduce the lateral dimensions at the axle level and prevent annoying contact with the ankles when turning the pedals.

Assembly is simplistic: one single oversize bolt is enough to integrate the two semi-axles. With regard to torque transmission efficiency, this system is equally as effective as a single piece axle.

Campagnolo Chorus front derailleur

This system is fast, responsive, and precise, and the chain shifts across chainrings with no hesitations. The Chorus 11-speed front derailleur is compatible with standard crank sets and the Compact. The geometry of the fork and the movement of the front plate have been designed and optimized to obtain maximum performance when used with the other Campagnolo components.

S2 System (Secure Shifting System) - optional selectable
The S2 version provides an integrated support for the seat tube. So additional support is possible for frames with a soft and flexible socket (e.g. full carbon socket). The derailleur can not turn away during the switching process.

Campagnolo Chorus HO rear derailleur

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.

Campagnolo Chorus cassette

The form of the teeth is new and they have been treated to increase duration over time. The teeth have been designed to optimize the speed and fluidity of shifting. This form reduces stress on the chain which ascends more easily onto the higher diameter sprockets. The large sprockets are divided into sets of three and are mounted on an aluminium frame. Thanks to this, rigidity increases by 180% and the individual sprockets are 70% more resistant to torsion.

Campagnolo Chorus chain

Due to the used materials and the special anti-friction treatment, the 11-speed chain is quieter than ever and has a super smooth operation. The reduced width of 5.5mm with the new spacing and a special material has been envisaged for the outer links. It is necessary to use tool UT-CN300 to fit it.

The Ni-PTFE treatment ensures smoothness and long life. The Ultra-Link fastening system guarantees strength and operation with the 11-speed sprockets.


If you need more detailed information about the single parts of the groupsets check the articles in the referring categories.


Manufacturer's item codes:

  • brake system: EP18-HPDLF6 + EP18-HPDRR4 / EP18-HPDRR6
  • crankset: FC18-HP040C | FC18-HP240C | FC18-HP540C | FC18-HP062C | FC18-HP262C | FC18-HP562C | FC18-HP093C | FC18-HP293C | FC18-HP593C
  • front derailleur: FD15-CH2B | FD15-CH2BS2
  • rear derailleur: RD18-CH1 | RD18-CH1M
  • cassette: CS9-CH113 | CS9-CH115 | CS14-CH117 | CS15-CH119 | CS9-CH125 | CS9-CH127 | CS10-CH129
  • chain: CN9-CH1
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Fact Sheet of Campagnolo Chorus HO / H11 Groupset 2x11 - Hydraulic Disc Brakes - Flat Mount

Product Name: Campagnolo Chorus HO / H11 Groupset 2x11 - Hydraulic Disc Brakes - Flat Mount
Manufacturer: Campagnolo
Item Code: CAM374750
Manufacturer item code: see description
Material: aluminium, carbon
Derailleur: Campagnolo 2x11-speed
Included in delivery: see description
brake system filled and bleed
without brake discs, bottom bracket cups and hubs
Crank length (mm): 170 | 172.5 | 175
Chainwheel, number of teeth: 50/34 | 52/36 | 53/39
Front Derailleur Braze/Clamp: braze-on
Derailleur max. number of teeth: 56 teeth
Bracket, profile of axle: Campagnolo Ultra-Torque with integrated axle
Derailleur short/long: short | medium
Derailleur, max. number of teeth: short: 29 teeth
medium: 32 teeth
Nuance of sprocket / Gearing: 11-12-13-14-15-16-17-18-19-21-23
11-12-13-14-15-16-17-19-21-23-25
11-12-13-14-15-17-19-21-23-25-27
11-12-13-14-15-17-19-21-23-26-29
12-13-14-15-16-17-18-19-21-23-25
12-13-14-15-16-17-19-21-23-25-27
12-13-14-15-16-17-19-21-23-26-29
Material of sprocket: steel, aluminium frame for the six biggest sprockets
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Item includes
Still 10+ in stock in stock, delivery time 1-3 days Campagnolo H11 Ergopower + Hydraulic Disc-Brake - Flat Mount - left | 2-speed
Still 10+ in stock in stock, delivery time 1-3 days Campagnolo Chorus Chain 11-speed
Selection: Campagnolo H11 Ergopower + Hydraulic Disc-Brake - Flat Mount - right | 11-speed
Still 10+ in stock in stock, delivery time 1-3 days Brake Caliper Version for 140 mm brake discs
Still 2 in stock in stock, delivery time 1-3 days Brake Caliper Version for 160 mm brake discs
Selection: Campagnolo H11 Ultra-Torque Carbon Crankset 11-speed
Still 3 in stock in stock, delivery time 1-3 days Chainring Ratio | Crank Arm Length 50/34 Teeth | 170 mm
Still 1 in stock in stock, delivery time 1-3 days Chainring Ratio | Crank Arm Length 50/34 Teeth | 172.5 mm
Still 4 in stock in stock, delivery time 1-3 days Chainring Ratio | Crank Arm Length 50/34 Teeth | 175 mm
Currently not in stock Delivery time 2-4 days Chainring Ratio | Crank Arm Length 52/36 Teeth | 170 mm
Still 1 in stock in stock, delivery time 1-3 days Chainring Ratio | Crank Arm Length 52/36 Teeth | 172.5 mm
Still 1 in stock in stock, delivery time 1-3 days Chainring Ratio | Crank Arm Length 52/36 Teeth | 175 mm
Currently not in stock Delivery time 2-4 days Chainring Ratio | Crank Arm Length 53/39 Teeth | 170 mm
Still 2 in stock in stock, delivery time 1-3 days Chainring Ratio | Crank Arm Length 53/39 Teeth | 172.5 mm
Currently not in stock Delivery time 2-4 days Chainring Ratio | Crank Arm Length 53/39 Teeth | 175 mm
Selection: Campagnolo Chorus Front Derailleur 2x11
Still 7 in stock in stock, delivery time 1-3 days Front Derailleur Type brazed on
Still 4 in stock in stock, delivery time 1-3 days Front Derailleur Type brazed on S2
Selection: Campagnolo Chorus HO Rear Derailleur 2x11
Still 6 in stock in stock, delivery time 1-3 days Version short
Still 10+ in stock in stock, delivery time 1-3 days Version medium
Selection: Campagnolo Chorus Cassette 11-speed
Still 10+ in stock in stock, delivery time 1-3 days cassette gear ratio 11-23 teeth
Still 10+ in stock in stock, delivery time 1-3 days cassette gear ratio 11-25 teeth
Still 10+ in stock in stock, delivery time 1-3 days cassette gear ratio 11-27 teeth
Still 10+ in stock in stock, delivery time 1-3 days cassette gear ratio 11-29 teeth
Still 10+ in stock in stock, delivery time 1-3 days cassette gear ratio 12-25 teeth
Still 10+ in stock in stock, delivery time 1-3 days cassette gear ratio 12-27 teeth
Still 10+ in stock in stock, delivery time 1-3 days cassette gear ratio 12-29 teeth
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