Shimano Altus FC-M311 Crankset - 170mm 7/8-Speed 48/38/28t Riveted Square Taper JIS Spindle Interface BLK Model-PM-180-F 220 The reliable front gripping of

The reliable front gripping of flat workpieces is ensured by the three-point system and a pinch guard prevents operators' fingers from being pinched

Model Z Lok Length 400mm Lock Type Key Color Multi-Color Package 4/Count Package Count 4 Count

Updated seals and Shimano low viscosity mineral oil offers reliable bite point in all temperatures and trail conditions

Lightweight at 4 oz

Shimano Altus FC-M311 Crankset - 170mm 7/8-Speed 48/38/28t Riveted Square Taper JIS Spindle Interface BLK Model-PM-180-F 220 The reliable front gripping ofShimano 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 48 38 28 Number of Chainrings Triple Drivetrain Speeds 8 Chainring BCD Riveted Chainline Hub Compatibility 135 142 MTB Hubs