Shimano Altus FC-M311 Crankset for 3 x 7/8 Speed with Square Taper Bottom Brackets is superb value for money and a real workhorse. A major component of millions of economy to mid-level bikes around the world, this is a popular choice for bicycle manufacturers for their entry/mid-level bikes.
The Altus FC-M311 crankset for square bottom brackets features a rigid 2-piece construction and Hyperdrive SG-X chainrings. The pre-installed chain guard (optional selectable) keeps your legs and pants clean. The crankset is Dual SIS compatible.
- Chainguard is compatible.
- Chainwheel, number of teeth: Various models
- Fitting for derailleur: 7/8-speed
- Material: aluminium, steel
- Type of chain: HG 7/8-speed
- Colour: Black