pacco pignoni shimano cs hg710 12vThe Shimano 105 CS HG710 12 11 36T 12 speed cassette offers a wide gear range of 327%. From flat sprints to the steepest climbs, you can choose the best gear ratio for every situation. The gear progression is optimized for pedaling efficiency, with the first eight sprockets focused on natural and comfortable ratios, and the four largest sprockets providing a wide range of gears, eliminating sudden jumps. FEATURES The refined progression of the 12