Chorus 12-Speed Cassette Cogs:11-12-13-14-15-16-17-19-21-23-26-29 We've built them out of

We've built them out of a lightweight

3mm (thick) or 29

The Rockhopper Elite is one helluva lot of bike

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moderate priced and put total control of your gear selection in one hand

Chorus 12-Speed Cassette Cogs:11-12-13-14-15-16-17-19-21-23-26-29 We've built them out ofThe 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