It may weigh 125 pounds, but aero is more important than weight, right? 
Federal Electric Bicycle Law HR727, passed February 12, 2003 is clear on the matter.
The law defines Electric Bicycles as:
“a two-or three-wheeled vehicle with fully operable pedals and an electric motor of less than 750 watts (1 h.p.), whose maximum speed on a paved level surface, when powered solely by such a motor while ridden by an operator who weighs 170 pounds, is less than 20 mph.
Don’t think it was this particular one - the speed is limited to 20mph or less…
The accusation was that he was using a “gruber assist” type drive.
No, I’m pretty sure it was this one:
YikeBike
Later!
Brian
On the topic of powered bikes, I actually had a guy ask me about (i.e. accuse me of) using a motorized hub at LP this past weekend. “What the hell kind of hub is that? It doesn’t look legal to me.” Umm …. It’s a powertap. Pretty sure I wasn’t the only one on the course riding one.
I guess that makes more sense than adding a length of bike chain to get the weight up to UCI limits. It’s certainly not dead weight.
On the topic of powered bikes, I actually had a guy ask me about (i.e. accuse me of) using a motorized hub at LP this past weekend. “What the hell kind of hub is that? It doesn’t look legal to me.” Umm …. It’s a powertap. Pretty sure I wasn’t the only one on the course riding one.
That is fantastic. Until the readout says 3000W, I don’t think he can accuse you of that being a powered bike:) I know everyone isn’t as into bike gear as we are here on ST, but as you said you pretty sure you weren’t the only one with one there.
I think his went beep beep when he passed people…