Shimano Deore XT FH-M8110-B Rear Hub - 12 Speed - 12x148mm - 28H

The Shimano Deore XT FH-M8110-B is a premium 12-speed rear hub designed to deliver exceptional per...

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eBayShimano XT FH-M8130-B 12 Speed Rear Hub 12x157mm 32H Micro Spline
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Leisure Lakes BikesShimano Deore XT FH-M8130/10 Centre Lock Disc Mount Rear Hub Black
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Product Information

Full details

The Shimano Deore XT FH-M8110-B is designed for mountain bikers looking to upgrade their drivetrain to a high-performance 12-speed system. It offers the benefit of rapid power transfer and compatibility with modern wide-range cassettes, though it requires a specific Micro Spline-compatible cassette, making it unsuitable for older 8, 9, 10, or 11-speed setups.

All features

Model Part NumberFHM8110BSC
BrandSHIMANO

Extended Product Information

FAQs

Does this hub work with 11-speed cassettes?

No, the Micro Spline freehub body is only compatible with Shimano 12-speed cassettes.

Can I use this on a frame without Boost spacing?

No, this is a 148mm Boost hub and will not fit 135mm or 142mm frames.

How many spokes does this hub require?

This specific model (FH-M8110-B) requires a 28-hole rim.

Is the rotor included?

No, the disc rotor is sold separately, though the hub is compatible with all Shimano Center Lock rotors.

How often should I service the bearings?

It is recommended to inspect and clean the bearings annually or more frequently if you regularly ride in wet or muddy conditions.

Troubleshooting

Noticeable side-to-side play in the wheel

Adjust the tension on the cup-and-cone bearings using a cone wrench until the play is eliminated while maintaining smooth rotation.

Freehub engagement feels sluggish

Check if the internal pawl mechanism needs cleaning or re-lubrication with appropriate lightweight hub grease.

Disc rotor is loose

Check the Center Lock lockring torque; ensure it is tightened to the recommended 40Nm.

Pros and Cons

Pros

  • Rapid, responsive power engagement
  • Excellent durability with cup-and-cone bearings
  • Compatible with wide-range 10-tooth cassettes
  • Robust sealing protects against trail debris
  • Secure Center Lock rotor mounting

Cons

  • Requires Micro Spline specific cassette
  • Not backward compatible with older 11-speed cassettes
  • Cup-and-cone bearings require periodic maintenance

Setup, Compatibility & Care

This hub is strictly intended for 12-speed mountain bike setups using the Micro Spline standard. When lacing the wheel, ensure you are using a 28-hole rim to match the hub drilling. Because the unit utilizes cup-and-cone bearings, it is recommended to check for play periodically. If play is detected, the bearings can be easily adjusted using cone wrenches without needing a full hub rebuild. Keep the seals clean by wiping them after wet rides to ensure the labyrinth system functions as intended. Always use a Center Lock lockring tool to tighten your disc rotors to the manufacturer's specified torque.

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