Following 1
St Petersburg, FL
Active 2h ago
Bio: E-Bike Designer, Engineer, and Professor. Our community will keep your bike running in tip top shape.
@don-gerhardt-5461
BSME Purdue, MS Engineering Univ of Detroit. PhD Engr Univ of Mich, MBA Univ of Mich, Author LEV and Battery Tech Manual
Active 10d ago
Joined Jan 2, 2026
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