Shimano Spares FH-M8110-B complete hub axle - 148mm
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Product Information
Full details
This guide is for owners of Shimano FH-M8110 and FH-M8110-BS hubs requiring a replacement axle assembly. It provides a direct replacement for a damaged or worn axle, ensuring your rear wheel continues to function correctly with its original hub body. The main caveat is that this is a specific replacement part and not a universal upgrade.
All features
| Model Part Number | Y3G198010 |
|---|---|
| Brand | SHIMANO |
Extended Product Information
FAQs
What is the correct hub spacing for this axle?
This Shimano Y3G198010 axle assembly is designed for a 148mm hub spacing, commonly known as Boost spacing.
Is this axle compatible with any Shimano hub?
No, this is a specific replacement part. It is only compatible with Shimano FH-M8110 and FH-M8110-BS rear hub models.
Do I need special tools to install this axle?
Basic bicycle tools are usually sufficient, potentially including cone wrenches or bearing presses depending on the specific hub disassembly. If you are unsure, professional installation is recommended.
What should I do if the wheel feels stiff after installation?
The axle may be too tight. You need to adjust the bearing pre-load so the wheel spins freely without wobbling. Refer to Shimano's service manual for precise adjustment procedures.
Can I use this axle to convert my hub to Boost spacing?
No, this is a replacement axle assembly for hubs already designed with 148mm Boost spacing. It is not a conversion kit.
Where can I find the part number?
The part number Y3G198010 is printed on the product packaging or sometimes subtly etched onto the axle itself.
Troubleshooting
Wheel does not spin freely after installation.
The axle may be overtightened, causing the bearings to bind. Loosen the axle adjustment slightly until the wheel spins freely with minimal play.
Rear wheel has excessive side-to-side play.
The axle adjustment is too loose, or a component may not be seated correctly. Ensure all parts are properly installed and adjust the axle pre-load according to Shimano's service recommendations.
Axle does not fit or seems incompatible.
Verify that you have the correct part number (Y3G198010) and that it is intended for your specific Shimano FH-M8110 or FH-M8110-BS hub model with 148mm spacing. This part is not universal.
Pros and Cons
Pros
- Ensures perfect fit and function with compatible Shimano hubs.
- Restores original performance and reliability of the hub.
- Genuine part prevents compatibility issues often found with aftermarket components.
- Simplifies repair by providing a complete, ready-to-install assembly.
Cons
- Only compatible with specific Shimano hub models (FH-M8110, FH-M8110-BS).
- Not an upgrade component; it's a direct replacement.
- Requires basic mechanical knowledge for installation.
Setup, Compatibility & Care
Compatibility:
This hub axle assembly (part number Y3G198010) is exclusively designed for Shimano FH-M8110 and FH-M8110-BS rear hubs. It is specifically built for a 148mm hub spacing, commonly referred to as Boost spacing. Ensure your current hub model matches these specifications before attempting installation.
Setup (Installation):
Installation requires basic bicycle mechanic skills and tools. Typically, this involves:
- Removing the rear wheel from the bicycle.
- Disassembling the existing hub axle components (may require specific cone wrenches or bearing presses depending on hub wear).
- Carefully installing the new Y3G198010 axle assembly, ensuring all bearings and seals are correctly seated and adjusted for proper pre-load.
- Reinstalling the rear wheel onto the bicycle frame.
It is recommended to consult a professional bike mechanic if you are unfamiliar with hub servicing.
Care:
As a sealed component, the hub axle assembly requires minimal direct care. The primary care involves maintaining the overall cleanliness of your bicycle and ensuring the hub shell is free of excessive dirt and grime. Avoid high-pressure washing directly at the hub seals. Regular maintenance of your bicycle's drivetrain and brakes will indirectly contribute to the longevity of your hub components.