SHIMANO 105 CS-R7101-12 12-speed cassette 11-12-13-14-15-17-19-21-24-27-30-34T

From flat sprints to steep climbs, the 11-34T cassette covers it all. It's compatible with SHIMANO 11- and 12-speed FREEHUB hub bodies.

• The refined progressiveness of the 12-step ratios maximizes efficiency and acceleration performance in all situations.
• Compatible with the new 12v rear and 11v road hub bodies