Shimano Altus FC-M311 Crankset (Black) (3 x 7/8 Speed) (Square Taper) (170mm) (42... - EFCM311C222CL
Shimano Altus FC-M311 Crankset (Black) (3 x 7/8 Speed) (Square Taper) (170mm) (42... - EFCM311C222CL, Shimano Altus FC-M311 Cranksets Features: Hyperdrive SG-X chainrings Chainguard integrated design Specs: 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 Substitutes: CR7590