FWIW, depending on how hard I am going, I am regularly shifting between sitting on the nose of the saddle (during hard efforts) and sitting on the tail (climbing). Does the "3 and 9" change depending on how hard I'm going? Because my saddle position certainly does.
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Cat 2 Track, Cat 3 Road.
"If you’re new enough [to racing] that you would ask such question, then i would hazard a guess that if you just made up a workout that sounded hard to do, and did it, you’d probably get faster." --
the tiniest sprinter