Questions tagged [dynamo]

A dynamo converts mechanical energy to electrical energy.

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Shimano Hub automatically switches off while riding

I have few Shimano dynamo Hubs and I had to face this issue on several: they seem to be on good working condition. I checked them on a truing stand with a light and they worked fine. Then when I start ...
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Differences between Shimano DH-T670 and DH-3N72 dynamo hub?

Despite the cutouts in the hub flange, are there any differences? Different sealings or different races?
user430's user avatar
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Brompton Dynamo Light Stopped Working

My Brompton Dynamo light has been working perfectly since I got the bike about 8 months ago (the model is ‘Brompton spanninga dynamo tprbi06033’) however a few days ago when I changed the way it was ...
Jacob Marks's user avatar