ARM LENGHT:170MM HAS A CHAINGUARD ALUMINUM ARMS WITH STEEL CHAINRINGS TEETH SIZES: 24T/34T/42T CRANK ARMS FIT 9/16" PEDALS
BRAND NEW SHIMANO CRANK MODEL NUMBER: FC-M131 ALTUS ARM LENGHT:170MM HAS A CHAINGUARD ALUMINUM ARMS WITH STEEL CHAINRINGS TEETH SIZES: 24T/34T/42T CRANK ARMS FIT 9/16" PEDALS COLOR>SILVER/BLACK