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Is it possible to operate a headlight without a rear light on a SON hub dynamo?

The rated power of a dynamo headlight is typically 2.4 watts and the dynamo supplies 3 watts. The remaining 0.6 watts are for the rear light. However, a high-quality LED headlight can easily handle 3 watts and shine brighter. This was not possible with lightbulbs.

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Is it possible to operate a headlight without a rear light on a SON hub dynamo?

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