SSLX FC-M7120-1 12-speed Crank without Chainring. Shimano SLX FC-M7120 1x12-speed crank with 178 mm Q-factor, 55 mm chainline and 148 mm O.L.D stands for highest drive efficiency at low weight. It offers optimum power transmission and maximum speed for the new SLX system, which only use 1 chainring.
MODEL NO FC-M7120-1
SERIES SLX M7100 Series
Color Series color
Average weight 653 g (34T), 638 g (32T), 641 g (30T)