Shimano FC-M311 Altus Crankset - 3x7/8 Speed
Rs. 1,937
- Chainring BCD: Riveted
- Hyperdrive SG-X chainrings
- Spindle Interface Type: Square Taper JIS
- BB Included: No
- Chain Compatibility: 3/32"
- Crank-FD Type: Mountain Triple
- Color: Black
- Recommended BB Spindle Length: 123mm
- Pedal Spindle: 9/16"
- Rings: 22/32/42 for 7/8 Speed
| Series | ALTUS | ||
|---|---|---|---|
| Model no. | FC-M311 | ||
| Color | 1 | Black | |
| 2 | - | ||
| Rear speeds | 8/7 | ||
| Compatible chain | HG for 8/7-speed | ||
| Chainline (mm) | 50 | ||
| P.C.D. (mm) | Riveted | ||
| Gear arms | 4 arm | ||
| Chainring combination | 48-38-28T 42-32-22T |
||
| Q-factor (mm) | 187.9 | ||
| Crank arm length (mm) | 165.0 | - | |
| 167.5 | - | ||
| 170.0 | X | ||
| 172.5 | - | ||
| 175.0 | X | ||
| 177.5 | - | ||
| 180.0 | - | ||
| Optional chain guard | With bash guard | - | |
| With chain guard | X | ||
| Without chain / bash guard | X | ||
| HOLLOWTECH II | - | ||
| 2-PIECE CRANKSET | - | ||
| HOLLOWTECH crank arm | - | ||
| OCTALINK | - | ||
| HOLLOWGLIDE | - | ||
| Compatible BB type | Outboard | - | |
| OCTALINK | - | ||
| Square | X | ||
| Recommended BB | Threaded (normal) | BB-UN26 | |
| Threaded (E-type) | - | ||
| Threaded (chain case) | BB-UN26-K | ||
| Pressfit | - | ||
| Axle length of BB-UN / ES (mm) | Threaded (normal) | LL123 | |
| Threaded (E-type) | - | ||
| Threaded (chain case) | LL123-K | ||
| Threaded BB shell width | 68mm | X | |
| 73mm | X | ||
| 83mm | - | ||
| Chain case compatible | X | ||
| Crank arm | Material | Aluminum | |
| Finish | Painted | ||
| Crank axle | Material | - | |
| Finish | - | ||
| Spider arm | Material | - | |
| Finish | - | ||
| Spider arm cover | Material | Resin | |
| Finish | Resin | ||
| Outer ring | Material | Steel | |
| Finish | Painted | ||
| Middle ring | Material | Steel | |
| Finish | Painted | ||
| Inner ring | Material | Steel | |
| Finish | Painted | ||
| Outer / middle ring fixing bolt | Material | - | |
| Finish | - | ||
| Inner ring fixing bolt | Material | - | |
| Finish | - | ||
| Stainless chain guard fixing bolt | - | ||
| Crank fixing bolt included | X | ||
| Average Weight (175mm, w/o BB) | - | ||
| Note | SHIMANO logo | ||
