Chorus 12-Speed Cassette Cogs:11-12-13-14-15-16-17-19-21-23-26-29 and a silicone gripper for

and a silicone gripper for stability

The Rockhopper Elite is one helluva lot of bike

Machined outer barrel for extra grip while pumping

or even an internally geared rear hub

3mm (thick) or 29

Chorus 12-Speed Cassette Cogs:11-12-13-14-15-16-17-19-21-23-26-29 and a silicone gripper forThe 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