Shimano Fc-m391 Acera 175 48/36/26t 9sp Square Taper W/ Cg Black

Shimano Acera crank sets feature replaceable chainring and shifting guides for better performance.

• Replaceable chainrings
• Stamped rings with shifting ramps
• Square taper crank accepts 68x122.5 mm spindle
• Shimano Reference Number: FC-M391