Originally Posted by
lhendrick
Yep. To tell the truth though, I cannot feel any resistance with the light on. LHT weight fully loaded kinda outweighs

everything else.
+1
My commute bike has the Supernova E3 headlight and the Supernova tail light, powered by a Schmidt Dynohub. I can't notice the difference in drag for on/off so I leave the lights on all the time.