Posts by admin

Rungu Dualie easily outperforms socalled “All-Wheel Drive” – AWD e-bikes – off-road on steep inclines.  This article explains the physics that belies the claim that AWD e-bikes perform better than mid-drive e-bikes. It also explains why to choose Rungu if you plan to ride steep inclines off-road. Sellers of e-bikes with All-Wheel Drive “AWD” (front…

Trigger warning – this article contains math and graphs If you are looking to buy an e-bike for off-road use – off-road use means mud, snow or sand – avoid e-bikes with hub motors. Many e-bike sellers are touting fat-tire, hub-drive e-bikes as suitable for off-road use without qualification. Difficult off-road conditions can include soft…

In November 2020, the Rungu team went into the Mojave desert in Southern California to film Rungu Dualie performance on one of the premier overland trails in North America – the Mojave Road. As much fun as we had filming, we also learned new facts about Rungu Dualie. 1. Rungu can be faster than stock…

To recharge batteries away from AC mains (wall socket), you have several backcountry options – gas-powered generator, DC-DC solar panel generators and solar AC generators.  Gas powered generators produce 120 VAC (US/Canada) at an acceptable power output to charge one or more Rungu batteries.  There are DC-DC solar generators that convert solar power to electricity…