Shimano Altus FC-M315-B2 Double Front Crankset 7/8 Speed 22/36T 170mm BlackThe Shimano FC-M315-B2 Double Front Crankset is a great replacement for your 7 or 8 speed double front crank. This version is compatible with Square Bottom Bracket Tapers and does not include bottom bracket. The gearing is 22/36T and the aluminum crank arms measure 170mm. Works best with Shimano HG 7/8 speed chains.192790444673
