Shimano Acera FC-M3000 Front Triple Crankset 175mm 40-30-22TThe Shimano Acera FC-M3000 Front Triple Crankset is a great replacement for your worn out or broken triple front mountain crankset. This one is compatible with 9 speed chains and has a configuration of 40-30-22t. The crankarm length is 175mm and does not come with a square pin. There is an integrated paracorona to help prevent damage to the chainrings.689228896444