Campagnolo Chorus 12-Speed Cassette Singing The Chorus12-speed is taking over the road and gravel world. With an excellent cassette, your shifting performance will be taken to the next level. The Chorus groupset is fully compatible with the cassettes launched with the Super Record and Record 2x12-speed groupsets (11-29T and 11-32T) and it introduces a new cassette specification (11-34T) only compatible with the Chorus 12-speed drivetrain. The new 11-34T cassette offers cyclists even more versatility and greater choice and autonomy in terms of available gears. Features Surface treatment increases durability and improves smoothness Same-thickness spacers ensure error-free fitting Available in several ranges for optimal versatility Specifications Cassette Body Type-Cassette Cogs11-29T, 11-32T, 11-34TDrivetrain Speeds12Cassette Material Aluminum Weight310g (11-29T) | Campagnolo | Chorus 12 Speed Cassette 12-27T