Derk Duermeyer

  • Total activity 7
  • Last activity
  • Member since
  • Following 0 users
  • Followed by 0 users
  • Votes 3
  • Subscriptions 2

Activity overview

Latest activity by Derk Duermeyer

  • Derk Duermeyer commented,

    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...

    • View comment
    • Derk Duermeyer
    • Edited
    • 0 votes

  • Derk Duermeyer commented,

    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 ...

    • View comment
    • Derk Duermeyer
    • Edited
    • 0 votes