Originally Posted by
christ0ph
Paying $50 for a bottle dynamo didn't make much sense to me either.
I see Velo Orange has a Spanninga bottle generator for about $20.
http://store.velo-orange.com/index.p...ve-dynamo.html
I haven't used this product, but I do have a Spanninga dynamo taillight which I like a lot. I believe their products are reasonably durable.