Campagnolo Chorus 12 Speed Road Bike Cassette 11 - 32T
11 / 12 / 13 / 14 / 15 / 16 / 17 / 19 / 22 / 25 / 28 / 32T. Smaller spaces: Faster, more precise shifting. Can be converted from the 11-32 cassette. The two bigger sets of three in a single-block piece: It eliminates energy dispersion.