Whats the point of spending hours perfecting your seat height setup for sprinting if the only real benefits are a fraction of a second shaved off your time and a reduced risk of knee pain, especially when factoring in the countless hours spent tweaking and readjusting your bike fit - can anyone seriously quantify the actual performance gains of optimal seat height for sprinting, or is it all just a bunch of hype perpetuated by bike fitters and obsessed enthusiasts?