3T Torno LTD3T Torno!! The crank is one of the most complex parts for aerodynamics; the leading edge of your shape becomes the trailing edge 180 degrees later, you have the major influence of the forward speed and the minor influence of the rotational speed, your feet spin by, the frame is right there, the chain runs over the chainring and cant really be changed aerodynamically, etc. Our best aero shape was a knife like 12mm wide at the pedal, significantly