Очень хочу собрать что-то пообное для экстремалов.

easy going. Get your bike an EGO boost! - EGO Kits are add-on electric motor kits to upgrade about 70% of all bicycles on the market. 2400Watt maximum power open up unreached downhill trails as unreached fun on your uphill ride. Flat-speed upto 70kmh! Active bike handling is garanteed thru 3,1 kg lightweight motor and rucksack-battery. No cablecar, no shuttle Just you. And you