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She is really impressive, and is doing this on a Cruzbike Vendetta, a recumbent bike with a moving bottom bracket (mbb). See the info below:
http://cyclingexperiences.com/2010/1...-century-1001/
And her bike:
http://www.slide.com/r/bHQ1098L7z8FH...W4?map=2&cy=un
Oh, and this!
http://cruzbike.com/
What's a moving bottom bracket?
Moving Bottom Bracket refers to the fact that the drivetrain is connected to the steering. It is adjustable for riders of different heights as well.
It's an interesting design. You see some good close ups here:
http://www.youtube.com/watch?v=b9GPDJctkXs