My husband works with a couple of guys who geek out like that....
While I don't think either of them built their electric bikes on a carbon fiber Kestrel TT frame.... they have both spent the equivalent of several bicycles (we figure they could have a nice light racer and good solid rain bike by now) on buying electric motors and batteries.
Both are engineers and the motors intrigue them more than bicycles or the act of riding likely ever will. They tinker and modify the motors (thus blowing them up...), play with the batteries, try to get more speed, more milage.
I'm guessing the builder of said Kestrel is a geek too... he (she!?) seems quite proud of the fact that its the most aerodynamic frame available and putting on all those expensive light components (forget how heavy batteries are...). He probably thought that would make a big difference when going 18 mph...
geezum.... he made that Kestrel weigh 29lbs...



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