10 years did pass for dreaming something, which was impossible to catch as a reality. Another ten years was to fight mental illness, where was no winning situation.
Life situation is 86% completely different.
A con: Some would say: my life situation is pretty much pathetic.
A pro: Due my excellent amount of experience and knowledge, the only pathetic is you.
So yeah, 20 years is actually long time, but if saying "where it did go?", sounds like not much content there to remember for?
Of course, it is more about how you perceive time.
EDIT: Just in case, Please read it between lines, thank you.
And on top of all this, Tire may not be limited to rubber today. Also tires has different frames inside rubber shell, such as steel and various different alloys.
Of course, only the contact surface matters most... but if we are speaking tire improvements generally...
Can it be given slightly better power-weight ratio to obtain similar speeds to RB4 Time Attack Spec / XR Timeattack ? As this is Time Attack machine, I assume, it is slightly slower.