Campagnolo CS20-CH12 Chorus 12 Speed Road Cassette

Campagnolo Chorus 12 Speed Cassette All Ratios 

The 12x Chorus cassettes for use with the disc or rim brake groupset.

The Chorus groupset is fully compatible with the cassettes from the Record and Super Record 2x12-speed groupsets (11-29 and 11-32) but also introduces a new cassette specification of 11-34.

The 11-34 cassette offers cyclists even more versatility and a greater choice and autonomy in terms of available gears.

Chorus 12-speed now therefore offers a total of three cassette options:

11-12-13-14-15-16-17-19-21-23-26-29

11-12-13-14-15-16-17-19-22-25-28-32

11-12-13-14-15-16-17-19-22-25-29-34

Technologies

Same width as the 11-speed cassette: Totally compatible with wheels and frames.

The two bigger sets of three in a single-block piece: It eliminates energy dispersion.

Surface treatment: It increases durability and improves smoothness

Same-thickness spacers: Ensures error-free fitting

Features and Benefits

Compatibility: Same width as the 11-speed, no need to change or update wheels

Smaller spaces: Faster, more precise shifting

Same spacers: Easy error-free fitting.

Sets of three in single-block steel: Stiffness and elimination of power dispersion

25-29-34 set of three available as a spare part,

Can be converted from the 11-32 cassette

Weight: 306g (11-29 version)