Shimano Altus FC-M311 Crankset - 170mm 7/8-Speed 48/38/28t Riveted Square Taper JIS Spindle Interface BLK ModelNumber=K9021 Lower leg bleeder plugs for

Lower leg bleeder plugs for future upgrades

the Repair Kit includes all of the essentials for quick road or trailside repairs

Merino wool blend lining made from 35% recycled materials

A lightweight

Shimano Altus FC-M311 Crankset - 170mm 7/8-Speed 48/38/28t Riveted Square Taper JIS Spindle Interface BLK ModelNumber=K9021 Lower leg bleeder plugs forShimano 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 Color Black Rings 48 38 28 Number of Chainrings Triple Crank Length (mm) 170 Crank Intended Use Mountain Drivetrain Speeds 8 BB