Shimano Altus 7/8-Speed Crankset – FC M311-L

The Shimano Altus FC-M311 crankset for square bottom brackets features a rigid 2-piece construction and Hyperdrive SG-X chainrings. There is also an option for a pre-installed chain guard, which keeps your legs and pants clean. The crankset is Dual SIS compatible. This Altus FC-M311 Crankset is one step ahead of the more entry-level option – FC-TY501 and is a great choice for 7/8 Speed Mountain Bikes, and Hybrids.