Shimano Dynamo Hub - 36H QR, DH-3N72

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Price: $97.49 $92.88   

Product Feature

• Requires no batteries
• Less rolling resistance
• Reduced weight
• Plug in wiring

Product Description

HUB FT SHI DH-3N72 GEN 36H QR

Shimano Dynamo Hub - 36H QR, DH-3N72 Review

I got my hub and quickly laced up a rim(first one ever and it took about 15 minutes + tensioning/truing).

At first I thought it had a bit of resistance till i got the rim on and then decided it was super smooth. the resistance it gives is so low I will likely hardly notice it when riding long distance. I put this into a trailer wheel rather than a front rim since my intended use will be for long distance/multi day rides.

As for the operation of the hub, I tested it with my meter and it consistently puts out between 0.6 and 0.8 amps. The voltage in the funny thing, I can get 6 volts at 5mph in a 26inch rim. When I am at cruising speed, 15-20 I am getting 14-16 volts. I always planned to have a voltage regulator in use but now I see how vital it is.

Lastly about the power... I really wasn't thinking much about it at the time but this is an AC generating hub(as I assume most if not all are). Because of this I need to get a Bridge Rectifier(Diode Bride) it convert from AC to DC as well as a capacitor to smooth out the power source so my gadgets get nice clean energy.

It works as described and possibly even better. I am rather excited to get my charging station wired together so I can keep my gadgets powered up on the road.

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