Newly unveiled electric bike motor is ‘world’s lightest, most efficient’

Electrek
By Micah TollJun 28, 2025, 5:43 am185 ptsTrendingTop
TQ, the German force behind some of the lightest and quietest e-bike motors on the market, just took a leap forward – again. Barely weeks after debuting the lightweight HPR60 e-bike drive system, the company has introduced the HPR40, now claiming the title of the lightest and most efficient mid-drive motor in…

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