First and only single speed and drop bar bike I've really ever seen in the DIY scene. I was a little nervous trying a single speed build, but looking at the engineering drawings it seemed doable - and worked out quite well.[/QUOTE]
I rode SS off road for many years, so tried a SS with BBS02 to not the greatest success, but may venture in that direction again since I have lots of parts and the time to play with them. I should be able to get the bike in the 32 pound area with BBS02 and 52V, 4 ah battery and may do it for fun. Wish they would manufacture a 4 - 5 pound DIY mid-drive to drop another five pounds. Revel Production's system is close with an overall weight gain of 10 pounds. Maybe Paul will take the next step.