FYI "rubber" as you seem to have at least noticed the material of this tire is quite good at handling heat. It was used as stoppers or o-rings or even heat resistant layers for

decades until now when silicone has taken over. Also have you ever driven anything with wheel and brakes (your childhood tricycle doesn't count). Do you have any idea of how hot tires

get when on the road? Boiling it in hot water would do nothing to the tires. WHat a load of crap this piece is. As for your STEM I think its called the fulcrum theory if I'm not

entirely mistaken (physics in university wasn't my strongest suite but even I don't/haven't/won't steal someone else's proof and then call it something else to make