The simple predicate is "did not know that"
The best paraphrase for the text in the common sense of bicycling: Bicycling for Ladies is that the capability of a bicycle makes some people want to go very fast and others to go very slow. As long as you are careful, feel free to ride like the wind. The other text in the the common sense of bicycling: Bicycling for Ladies best paraphrase is that To keep from falling, if you're pushing down on the right pedal, then gently pull the handlebars on the right. If you're pushing down on the left pedal, then gently pull the handlebars on the left.
