Thread: 105 or Ultegra Hubs
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Old 06-29-19, 05:21 PM
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79pmooney
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Originally Posted by seeker333
Road hubs have an OLD (over locknut distance, or spacing between dropouts) of 130mm, and Mtb hubs have an OLD of 135mm. Consequently MTB hubs generally have more hub-center-to-driveside flange distance than road hubs, which results in less wheel dish with MTB hubs. This generally means greater wheel longevity because you can build wheel with more tension on the normally-lower-tensioned non-driveside spokes. If your bike's rear dropouts have 135mm OLD (spacing) then you should definitely use MTB hubs for your wheelbuild (or MTB wheels).
Doesn't this push the cogs further out, moving the chainline out and therefore the crankset? If a less than large Q-factor is important, this could be a step in the wrong direction.

Ben
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