Shimano FH-M785 - Left Hand Lock Nut and Cone, M14 with Dust Cover

Genuine Shimano replacement part for the FH-M785. This component is part number 6, designed as a l...

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Product Information

Full details

This guide provides essential information for users of the Shimano FH-M785 Left Hand Lock Nut and Cone, M14 with Dust Cover. Designed for cyclists looking to maintain their Shimano FH-M785 hubs, this guide helps ensure optimal performance. Note that this is a replacement part and requires some mechanical knowledge for installation.

All features

Model Part Number3TG9804
BrandSHIMANO

Extended Product Information

FAQs

What tools do I need?

You'll need cone wrenches, possibly a cassette lockring tool (if applicable), and grease.

Where can I find the model number?

The model number (FH-M785) is usually stamped on the hub body.

How often should I replace this part?

It depends on usage and conditions. Inspect it regularly and replace when worn or damaged.

Can I use this on a different hub?

No, this part is specifically designed for the Shimano FH-M785 hub.

Is it difficult to install?

If you are familiar with bike maintenance, it should be straightforward. Otherwise, seek professional help.

What kind of grease should I use?

Use bicycle-specific grease for bearings and threads.

Troubleshooting

Wheel has excessive play.

Tighten the lock nut or replace the lock nut and cone if damaged.

Hub does not spin smoothly.

Check the condition of the bearings, clean and regrease, or replace the lock nut/cone.

Lock nut is difficult to remove or install.

Use the correct tools and ensure the threads are clean. Apply a small amount of grease.

Pros and Cons

Pros

  • Genuine Shimano quality.
  • Precise fit for FH-M785 hubs.
  • Includes a dust cover for protection.
  • Easy to install (with the right tools and knowledge).
  • Extends the lifespan of your hub.

Cons

  • Requires some mechanical knowledge for installation.
  • May require additional tools.
  • Only compatible with FH-M785 hubs.
  • Small part, easy to misplace.

Setup, Compatibility & Care

This part is designed specifically for the Shimano FH-M785 rear hub. Ensure your hub model matches before purchase. Installation requires disassembly of the hub and replacing the old lock nut and cone. It's recommended to have experience with bicycle maintenance or consult a professional.

Care:

  1. Cleaning: Regularly clean the hub area to remove dirt and debris. Use a clean cloth.
  2. Inspection: Check for wear and tear, especially after harsh riding conditions.
  3. Lubrication: Apply appropriate bicycle grease during installation and maintenance to ensure smooth function.