Shimano Altus FC-M311 Crankset - 175mm 7/8-Speed 42/32/22t Riveted Square Taper JIS Spindle Interface BLK MFPN=03134 Rigid die-cast aluminum body

Rigid die-cast aluminum body

Bottom brackets ship with the following shell and spindle spacers:

0 Internal W 30mm Depth 20mm Material Aluminum Type Tubeless Color (H/S/R) Black Weight 935g Wheel Type Front Axle Size 15X110mm Hub Type I9 Color Black

including hubs

when working with bikes at this level

Shimano Altus FC-M311 Crankset - 175mm 7/8-Speed 42/32/22t Riveted Square Taper JIS Spindle Interface BLK MFPN=03134 Rigid die-cast aluminum bodyShimano Altus FC M311 cranksets feature aluminum crankarms with steel SG X chainrings for smooth and reliable shifting. Hyperdrive integrated SG X steel chainrings provide precise and reliable front shifting Proven 3 pc. design with sturdy aluminum crank arms (bottom bracket sold separately) 50mm Chainline 187. 9mm Q factor Rings 42 32 22 Number of Chainrings Triple Drivetrain Speeds 8 Chainring BCD Riveted Chainline Hub Compatibility 135 142 MTB Hubs