Originally Posted by
wphamilton
I was a little concerned about his reasoning that the heavier rider is less affected by surface irregularities, less tire "chatter". Since the lighter rider probably uses lower pressure tires, and possibly more supple tires. Perhaps more flexible wheels depending on just how light and heavy the two riders are.
I can't offer an opinion on it though, too many variables. What I really want to do is take a 50 pound backpack and zip through a corner a few times, though even that won't account for variations in skilled technique.
Don't mistake physics for personal preferences. Heavier riders can play with their tires too, and deflated tires don't actually increase traction... it softens the suspension. Big difference. Traction is governed by normal force and surface material. Full stop.
A bigger rider is less affected by surface irregularities; that is simply a question of increased momentum. A bigger rider certainly can decrease tire pressure; they just have to go to larger tires.
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