Shimano Altus FC-M311 Crankset (Black) (3 x 7/8 Speed) (Square Taper) (170mm) (48/38/28T) (Riveted) (w/ Chain Guard)

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Shimano Altus FC-M311 Cranksets
  • Hyperdrive SG-X chainrings
  • Chainguard integrated design
Crank Intended Use Mountain
Drivetrain Speeds 8
Chainring BCD Riveted
Number of Chainrings Triple
Drivetrain Speeds 7
Chainline/Hub Compatibility 135/142 MTB Hubs
Pedal Spindle 9/16"
Defined Color Black
Color Black
BB Included No
Spindle Interface Type Square Taper JIS

This product was added to our catalog on April 1, 2019

Verified Owner
Monday, Jun 14 2021 (about 2 years ago)
Shimano Altus FC-M311 Crankset (Black) (3 x 7/8 Speed) (Square Taper) (175mm) (48/38/28T)
Original triple crank was getting long in the tooth and starting to slip under load. Replaced with a similar crank, except that the arms were 75mm and the originals were 70mm. Thought I might notice the difference, but happily saw no difference while pedaling. In any case, the fit on my 2017 Trek FX.2 was perfect and easy to install.