Shimano Spares Complete Hub Axle - FH-RS770
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Product Information
Full details
The Shimano Spares Complete Hub Axle for the FH-RS770 is designed for professional mechanics and cycling enthusiasts performing routine maintenance or repairs on their disc-brake wheelsets. This genuine replacement component ensures your hub retains its original factory performance and precise bearing alignment. While it is a high-quality OEM part, installation requires specific knowledge of hub assembly to ensure proper tension and safety.
All features
| Model Part Number | FH-RS770 |
|---|---|
| Brand | Shimano |
Extended Product Information
FAQs
Is this compatible with FH-RS505 hubs?
No, this axle is specifically designed for the FH-RS770 hub model.
Do I need special tools to install this?
Yes, you will need a set of cone wrenches and basic bicycle tools to remove and reinstall the axle assembly.
Does this include the bearings?
This is a complete axle assembly; however, it is recommended to replace your bearings simultaneously if they show signs of wear.
How often should I service my hub axle?
Service intervals depend on riding conditions, but a general recommendation is once a year or every 2,000 to 3,000 miles.
Can I use this for mountain bike hubs?
No, this component is intended for the FH-RS770 road/gravel disc hub and should not be used on mountain bike-specific hubs.
Troubleshooting
Axle has side-to-side play after installation
The bearing preload is too loose; adjust the cone nuts until the play is eliminated while ensuring the axle still spins freely.
Hub feels stiff or sluggish
The bearing preload is too tight; slightly back off the cone nuts to reduce pressure on the bearings.
Pros and Cons
Pros
- Exact OEM specifications
- Restores original hub performance
- High-quality material durability
- Guaranteed compatibility with FH-RS770
Cons
- Requires professional tools for installation
- Not compatible with other hub models
- Maintenance instructions not included in package
Setup, Compatibility & Care
This axle is exclusively compatible with the Shimano FH-RS770 rear hub. Before installation, ensure you have the appropriate cone wrenches and grease.
- Remove the wheel and disassemble the existing axle assembly.
- Clean the hub shell thoroughly of old grease and debris.
- Apply a thin layer of high-quality bicycle grease to the new axle and bearing surfaces.
- Install the new axle, ensuring proper bearing preload to prevent binding or loose play.
- Periodically inspect the assembly for signs of wear, especially after riding in wet or muddy conditions, to prevent premature corrosion of the bearing surfaces.