Опубликовано в "Велосипед", язык - English. 17 страниц.
For now it appears there is a simple solution to cycling’s biggest flaw – use electricity to turn the pedals.
Table of Contents
Some brief history of the electric bike.
The science behind the e-bike.
The batteries.
Hub motors.
The frame.
Wheels and brakes.
Different types of electric bicycles.
Full power.
Power assist.
Legal status.
Electric scooters Еще
