The true pro's of our sport - hermance, benito, beleay, etc, the best riders in the world, tuck on sidehops, on taps, on everything, surely it cannot be counter productive if these boys are doing it. Whatever style you ride, streety, uci, TGS, then you will always be trying to go bigger, or better, and in many cases, moving your body around the bike helps do this. counter productive my butt crak