1

The plastic cover on the right side of my Ultegra 6800 front hub (red circle in the photo) is loose and rotates freely independent of the hub.

Is it normal ? If not how can I clamp it back?

enter image description here

  • Whats underneath? I have a cover on my alfine hub that has a centerlock disk brake rotor mount, which I don't need and can't use, so leave it covered with the rubber lid provided. – Criggie Jan 10 at 0:01
2

The plastic cover is there to protect the wheel bearings. It prevents dust from entering in. So it's totally fine if it's loose.

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