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Old 05-05-12, 08:09 PM
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mulveyr 
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Join Date: Feb 2010
Location: In the wilds of NY
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Bikes: Specialized Diverge, Box Dog Pelican, 1991 Cannondale tandem

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Originally Posted by ItsJustMe
I'd probably go with solar, if you can get a big enough one on top of your cargo. Lighter and doesn't cause any drag.
Drag is effectively a non-issue with modern genhubs. They're efficient enough that losses are equivalent to climbing a couple of extra feet over the course of a mile, and thus not even remotely noticeable.

The only downside of my relatively inexpensive Shimano genhub is a slight vibration between 17 and 19 MPH. Slower and faster than that, the vibration disappears. And I very, very rarely go at that speed when touring. ;-)
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