Originally Posted by
63rickert
Wow! 647! Biggest I've ever seen was Swedish 640 and that was big.
John Palmer invented a bunch of tire stuff besides the sewup. The Palmer Tire Company did automotive as well (remember there was no automotive market in 1892), had factories and distribution around the planet. Anyone wants to research you will find it.
There is a 36" tire. A bike shop near me had a bike with these tires on display. As the owner said, it's basically a goof. The bike is gigantic.