Patent Pending Blog:

Nathan Womack is a serious bike rider, serious enough that he wanted to ride at a training pace on rides with his girlfriend. The trouble was that his preferred pace for training for triathalons was about 20 mph, and his girlfriend’s pace is more like 15 mph. He had the bright idea of making a wheel that would give him some resistance in his rides, so that his speed would equal his girlfriends speed, yet give him the training he wanted.

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