The Shimano Altus FC-M371 offers 44/32/22T gearing perfect for large wheel diameter mountain bikes. The compact triple chainring combination offers a wide range of gears and lower ratios, perfect for entry-level riding or tackling steep climbs.
Specifications 
- 3x9 speed 
- Crank arm length: 175mm 
- Chain ring combination: 44/32/22T 
- Chain line: 50mm 
- Compatible chain: HG 9-speed 
- Crank fixing bolt included: Yes 
- Recommended BB: BB-UN300 (threaded)
- Q-factor: 180.5mm