The battle between motorists and cyclists has waged on for years ... but this behemoth of a cyclist just took the war to a whole new level.

He was a real hero to fellow cyclists that gawked and cheered at the sight of what could be a challenge at a strong-man competition.

Check out the muscle pumping video of man vs. machine … and man winning big time.

Can’t help but feel a little bad for the tiny bike he’s riding on though.