Derk Duermeyer

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Recent activity by Derk Duermeyer Recent activity Votes
    1. General
    2. FAQ
    3. Do You Have Spare Battery for Sale?

    Took my E-310 for the first test drive today; and made some adjustments to its steering wheel and saddle. Took the Trike up extremely steep gradients several times and the motor produced an excelle...

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    • Derk Duermeyer
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    1. General
    2. FAQ
    3. Do You Have Spare Battery for Sale?

    I had been searching for a high-quality E-Tricycle for 3-months. As retired Electrical and Mechanical Eng-Technologist, I usually know exactly what I am looking for. And, finally found an Addmotor ...

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    • Derk Duermeyer
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