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A single BOA Li2 closure system allows for precise adjustments on the fly
engineered for the demands of modern road cycling
Clamp Bolt Plate
and increased durability
even against corrosion
Shimano, FC-M371, Crankset, 9 sp., 170mm, 22/32/44T, Square, 50mm, Black S A single BOA Li2 closureThe Shimano Altus FC M371 is a reliable 9 speed triple crankset designed for smooth, precise shifting. Constructed from durable aluminum, it is compatible with super narrow HG 9 speed chains and standard 9 16" pedal spindles. Optimized for use with square taper bottom brackets (BB UN26 or BB UN55) with a 123mm spindle length. This versatile crankset is ideal for mountain or trekking bikes requiring a wide gear range. Quick Facts Feature Specification
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