Aero doesn't always make sense so it's hard to document. Cleaner generally = faster. Less = faster. But then you do things like go too low and you lose too much power for the aero benefit. Hence testing. Very iterative process. TriRig have a lot of useful articles. Aeroweenies site?
For biomechanics or aero?
Former, bike fitter. Latter, aero testing.
Aero doesn't always make sense so it's hard to document. Cleaner generally = faster. Less = faster. But then you do things like go too low and you lose too much power for the aero benefit. Hence testing. Very iterative process. TriRig have a lot of useful articles. Aeroweenies site?