Chorus 12-Speed Cassette Cogs:11-12-13-14-15-16-17-19-21-23-26-29 Double bolt clamp with wide

Double bolt clamp with wide range of seat angle adjustment

Seamless Constructed Comfort Chamois

Machined outer barrel for extra grip while pumping

We've built them out of a lightweight

And lastly

Chorus 12-Speed Cassette Cogs:11-12-13-14-15-16-17-19-21-23-26-29 Double bolt clamp with wideThe Campagnolo Chorus cassette offers cyclists even more versatility and greater choice and autonomy in terms of available gears. Designed as the same width as 11 speed cassettes to maximize compatibility with wheels and frames The two bigger sets of three in a single block piece eliminate energy dispersion Surface treatment increases durability and smoothness