Shimano Altus FC-M311 170mm Square Crankset Black
Team this Shimano Altus series crankset with your bottom bracket of choice.
Rings are painted steel, crank arm is painted aluminum, spider arm cover is resin.
Recommended for use with Shimano® HG chains and Shimano BB-UN26 or BB-UN26-K bottom brackets with 123mm spacing.
Recommended chain stay length is 420mm.
Chain ring combination is 48-38-28T.
Chain line is 50mm.
Chain case compatible.
170mm crank arms.
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