Shimano MTB Cranksets | Altus M-371, 3x9-Speed, Square Tapered

FC-M371 - SHIMANO ALTUS - MTB Crankset - 3x9-speed is Shimano's economic workhorse crankset for fun and recreation. Serves well under rugged conditions with low maintenance.

The Shimano Altus FC-M371 crank is compatible with 3x9 speed drivetrains and is available in 44-32-22T and 48-36-26T chainrings.

• 44-32-22T --OR-- 48-36-26T
• HYPERDRIVE SG-X chainrings
• With Chain Guard, without Chain Guard
• Colour options: Black, Silver

Product Specifications

• Model No: FC-M371
• Series: ALTUS M370 Series
• Color: Black
• Remarks: SHIMANO logo
• Axle length of BB-UN/ES (mm)_Threaded (chain case): LL123-K
• Axle length of BB-UN/ES (mm)_Threaded (normal): LL123
• Chain case compatible: ✔
• Chainring combination: 44-32-22T 48-36-26T
• Compatible bottom bracket type_Square: ✔
• Crank fixing screw included: ✔
• Crank arm length (mm)_170: ✔
• Crank arm length (mm)_175: ✔
• Spider/Gear arms: 4
• Optional chain guard_With chain guard: ✔
• Optional chain guard_Without chain/bash guard: ✔
• Recommended bottom bracket_Threaded (chain case): BB-UN300-K
• Recommended bottom bracket_Threaded (normal): BB-UN300
• Threaded bottom bracket shell width (mm)_68: ✔
• Threaded bottom bracket shell width (mm)_73: ✔
• Crank arm fixing bolt_With: ✔
• Q-factor (mm): 180.5
• Chain line (mm): 50
• Compatible chain: HG for 9-speed
• P.C.D. (mm): Riveted
• Rear speeds: 9
• O.L.D._QR/Nut (mm): 135
• O.L.D._Thru (mm): 142

SKU#

• EFCM371C422XL - Shimano Acera M-371 44/32/22T 170mm Chain Set - Black, 9 Speed, w/o Chain Guard
• EFCM371E422XL - Shimano Acera M-371-L 44/32/22T 175mm Chain Set - Black, 9 Speed, w/o Chain Guard

*Note: Images are for representational purposes only. Actual size / packaging varies with product type/size.

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