They're absolutely solid, I wouldn't worry about it failing any sooner than a regular spoked wheel. Really nice, solid, weighty ride when you have one on the back.
What he said.
I used to have one. Solid as a rock (also heavy as a rock).
The bearings are also dead easy to change too.
@Vince started
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What he said.
I used to have one. Solid as a rock (also heavy as a rock).
The bearings are also dead easy to change too.