shimano crankstel 9v 22 32 44 170mm fc m371 5mmThe Shimano FC M371 crankset is a square crankset available in black. It has three chainrings with a gear ratio of 22 32 44 teeth. It is made of steel and has a crank depth of 3mm. The pedal axle size is 1 2 inch. The crankset comes with crank bolts and a 123mm left crank axle. Square shot Color: black Number of chainrings: 3 Gear ratio: 22 32 44 teeth Material: steel Crank depth: 3 mm Pedal axle size: 1 2 inch Including crank bolts and left crank