Great -- pseudo-science in cycling!

What Mr.Peterson says about cyclists not pulling up on the pedal is true. The most effcient cyclists do not pull up they merely take all the weight off the pedal on the upstroke. HOWEVER they are excellent at applying force over the top of the pedal stroke and at bottom of the pedal stroke which you can't do well without being firmly attached to the pedal. He has taken what information he wants and used it to his advantage without telling the full story!!!!!! I have just lost any respect I have for the man.

that being said I use crank brothers on my road bike (candies) and cross bike (eggs)