Shimano FD-M371 Altus Front Derailleur - 9-speed - Silver

Altus wide link 9-speed compatible dual pull multi-fit front derailleur for recreational off-road ...

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Product Information

Full details

This guide is for cyclists looking to upgrade or maintain their 9-speed drivetrain with the Shimano FD-M371 Altus front derailleur. It's ideal for recreational off-road use, offering reliable shifting and compatibility with various frame designs. A potential caveat is ensuring proper alignment for optimal performance.

All features

Model Part NumberFDM371X6
BrandSHIMANO

Extended Product Information

FAQs

What type of bike is this derailleur suitable for?

It is designed for hybrid bikes and recreational off-road use.

What chainring sizes does this derailleur support?

It supports outer chainrings from 44 to 48 teeth.

Is this derailleur compatible with 10-speed drivetrains?

No, it is only compatible with 9-speed drivetrains.

What is the total capacity of this derailleur?

The total capacity is 22 teeth.

Can I use this derailleur with any frame?

The multi-clamp band is designed to fit most frames.

How do I maintain the derailleur?

Regularly clean and lubricate the derailleur, checking for wear.

Troubleshooting

Poor shifting performance or chain dropping.

Check and adjust the limit screws and cable tension. Ensure the derailleur is properly aligned with the chainrings.

Difficulty shifting between gears.

Inspect the cable for any kinks or damage. Clean and lubricate the cable and housing. If needed, replace the cable.

Derailleur is rubbing on the chain.

Adjust the derailleur's position to create clearance.

Pros and Cons

Pros

  • Improved shifting performance compared to older derailleurs.
  • Compatibility with a wide range of frame designs.
  • Easy installation due to the multi-fit clamp band and dual-pull design.
  • Durable construction suitable for off-road conditions.
  • Reduced shifting effort because of the low-friction wide linkage.

Cons

  • Requires proper adjustment and alignment for optimal performance.
  • May not be suitable for high-intensity, professional cycling.
  • Limited to 9-speed drivetrains only.

Setup, Compatibility & Care

  1. Installation: Ensure the derailleur is properly clamped to the frame, with the correct height and alignment to the chainrings.
  2. Cable Routing: Use either top or bottom cable routing based on your frame design.
  3. Adjustment: Fine-tune the limit screws and cable tension for smooth and precise shifting.
  4. Compatibility: This derailleur is compatible with 9-speed drivetrains and chainrings ranging from 44 to 48 teeth.
  5. Care: Regularly clean the derailleur and lubricate the moving parts. Check for wear and tear, and replace the derailleur if it's damaged.

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