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Biologics Joule 3 generator hub?

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Biologics Joule 3 generator hub?

Old 12-13-14, 08:51 AM
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jyl
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Biologics Joule 3 generator hub?

Can I get feedback on the Biologics Joule 3 generator hub? I'm looking for a light weight and not clunky hub and this one is so much cheaper than the SON hubs.
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Old 12-16-14, 12:46 AM
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is it a repackaged SP hub?
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Old 12-16-14, 11:54 AM
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Is this for you or your daughter? How is her bike working out?
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Old 12-16-14, 12:45 PM
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It sure looks like a Shutter Precision, and Jan Heine said as much in an email group post. SP is the source of hubs for a lot of companies, and they currently make the most efficient hub (or at least it's very close in efficiency to a SON). I am really happy with my Shutter Precision hub, it has taken away my desire for a SON
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Old 12-16-14, 11:44 PM
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This would be for me. Possibly on two bikes.

My commuter road bike uses a niterider headlight with rechargeable battery. The battery is getting old and only lasts about thirty minutes. One dark rainy night recently the battery died, and the battery of my helmet light was also dead, so I rode along ninja style, thinking "this is not good". Replacing the battery will cost about $100, so I'm looking at hub generator alternatives. Also, the light pattern of the nite rider is not very good.

My project 650B randonneur bike is going to have a generator hub too. They seem almost mandatory for this type of bike.

Thanks for pointing me to SP. The hub is less expensive bought as a "SP": $110 from rivbike. That price makes buying two gen hub lighting systems quite affordable.

Tom, my daughter's bike is doing fine. She rides it sometimes at school, either to class or to the grocery store. It lives in a covered, enclosed, card key bike garage by her dorm. She brought it home for Christmas break so I am doing a little maintenance on it. Next year, if she moves off campus, the bike will get much more use and I'll install a rear rack, big basket, and a kickstand. Right now, it is exactly what she needs.

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Old 12-17-14, 11:18 AM
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If you're not too much of a quality snob, you could buy pre-made wheels with Sanyo or Shimano hubs. I recently bought one for $95 with a Shimano hub. It's perfectly good if a little heavy. As I've said before, I notice the vibration, but I don't notice the drag.
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Old 12-17-14, 12:47 PM
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The magnetic Pole to pole pulsing which seems to be inherent in making the Juice, often (in forums) seems to be mistaken for vibration ..
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Old 12-17-14, 03:23 PM
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If it feels like a vibration, it is a vibration, even though I know what causes it.
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Old 12-17-14, 03:58 PM
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As long as People are not thinking it is Magic, making the electricity, then there has been advance in society
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Old 12-24-14, 03:53 PM
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This thread has gone from a clear, practical question to nearly complete nonsense.

Genhubs vibrate in the process of converting mechanical motion into electricity. It's just going to happen, it's just physics. Whether that vibration is perceptible while riding is more a matter of opinion - YMMV.
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Old 12-24-14, 04:24 PM
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they usually have a resonance, although I have only noticed it when I was riding hard, never while descending at the same speed. Which is weird, but it always makes me feel faster. So I don't mind. Some people do.
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