Let's put it to rest. Dynamo lights can put out lots of lumens, it just depends how fast you'll go.

I do like that commercial light makers are coming out with high output dynamo lights.

Besides the Supernova E3 Triple, here's another one.

http://use1.com/exposure-lights/cycl...evo-mk1-dynamo


This one is aimed at mountain bikers, and there's only a handlebar mount, so no fork crown mount.