How Much Does Dynamo Hub Drag Really Slow You Down? Lab Testing Results

Dynamo hubs are quite widely adopted in the bicycle touring, bikepacking and ultra racing scenes. With LED light technology allowing for 1300 lumen (or 100+ lux) light outputs, USB charging for gadgets and lithium ion battery storage – dynamo hubs feel like the right way to harvest energy. But where does this energy come from, and to … Continue reading How Much Does Dynamo Hub Drag Really Slow You Down? Lab Testing Results