... These designs have basically become the gold standard for dynamo-powered LEDs. All you really need to power 1 to 4 LEDs from a dynamo is some way to
Firstly, Matthew, I hope you don't mind me using your message board as a classified ad, just seems the most apt place to post. Secondly... I have a 61.6cm P/R
... Yep, that's an external butt. It's very common in TIG welded frames. If you look at this list of tubes from Columbus, you'll see that both seat tubes (the