Description
Shimano’s Acera M391 Square Taper 9-Speed chainset is lightweight and durable and is equipped with Shimano’s Hyperdrive SG-X chainrings, which provide quiet and trouble-free shifting.
- Material: Aluminium crank arms with Steel chainrings
- Tooth Count: 26/36/48T
- Bottom Bracket Type: Square Taper JIS
- Chainring BCD: 104/64
- Bolt Pattern: 4-Bolt
- Hyperdrive SG-X chainrings
- Crank-FD Type: Mountain Triple
- Chain Compatibility: 9-Speed
- Pedal Spindle: 9/16″
- Intended Use: MTB
- Groupset: Acera
- Crank arm length: 170mm
- Weight: 990g

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