[Black]

The Shimano FC-M315-B2 Double Front Crankset is a great replacement for your 7 or 8 speed double front crankset. This version is compatible with square bottom bracket cones and does not include bottom bracket. The gear is 22/36T and the aluminum crank arms measure 170mm or 175mm. Works best with Shimano HG 7/8 speed chains. This is the chain case that is not compatible.