Shimano Altus FC-M311 cranks, 170 mm, 3x8, 42/32/22T, square
Shimano Altus FC-M311 cranks
Altus FC-M311 cranks are intended for use with 3x7/8 gears for MTB or cross bikes. They provide excellent gearing performance with Hyperdrive HG-X converters.| Groupset | Shimano Altus |
| Gears | 3x7, 3x8 |
| Crank length | 170 mm |
| Axle type | square type BB |
| Chainline | 50 mm |
| Dimensions | 123 mm |
| Number of teeth | 42/32/22T |
| product ID | 49642 |
WARNING
For assistance with installation, adjustment and replacement of the products which are not found in the user's manual, please contact the place of purchase or a distributor. A dealer's manual for professional and experienced bicycle mechanics is available on our website (https://si.shimano.com).
For safety, be sure to read this "user's manual" thoroughly before use, follow it for correct use, and save it so that you can refer back to it at any time.
The following instructions should always be followed in order to prevent personal injury, physical damage to equipment and damage to the surroundings. The instructions are classified according to the degree of danger or damage which may occur if the product is used incorrectly.
DANGER - Failure to follow the instructions will result in death or serious injury.
WARNING - Failure to follow the instructions could result in death or serious injury.
CAUTION - Failure to follow the instructions could result in personal injury, or physical damage to equipment and surroundings.
WARNING:
Do not disassemble or modify the product. This may cause the product to not operate correctly, and you may fall unexpectedly and be seriously injured.
Before riding the bicycle, check that the crank arms are not cracked. If there are cracks, the crank arm may break and you may fall off the bicycle.
Take care to ensure that your clothing does not get caught in the chain during riding. If it does, you may fall off the bicycle.
CAUTION:
Be careful not to touch the teeth of the sprockets. There is a danger of injury.
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