To convert a normal bicycle into an electric bicycle:
* 24v Hub Motor 250 Watt
* 24v 30+30..60mh Power Battery, 60 km mileage, 1 month warranty
* 24v Hub Motor 250 Watt
* 24v 15ah Phosphate new battery cell, 30-40km mileage, 6 months warranty
* 24v Hub Motor 250 Watt
* Charger...