The Campagnolo Chorus 12 Groupset includes the following components:
Disc brake version: Crankset/ Ergopower levers/ hydraulic brake calipers+160mm/140mm F/R disc rotors/ rear derailleur/ front derailleur/ cassette/ chain/ UT BB cups
Rim brake version: Crankset/ Ergopower levers/ brake calipers/ rear derailleur/ front derailleur/ cassette/ chain/ UT BB cups
Crankset option: 170mm, 172.5mm, 175mm
Chainring option: 52-36, 50-34, 48-32
Cassette option: 11-29, 11-32, 11-34
This is a current 2023-2024 Campagnolo product.