Originally Posted by
cjenrick
yes i know it has been covered here but i got burned for $100 on a couple of orders before the mistake was realized.
so that maybe someone else might get burned i am posting this friendly reminder.
back in the day when i walked into the payless Hardware Store around 1933, you could buy a 26 x 1 3/8" tire and it would fit a 26" rim.
not any more.
so be careful out there1
you need to realize that you want a number called 559, and not a number called 590.
one is for a 26" rim and the other i suppose is for a 650B rim.
i made the same mistake on a schwalbe marathon and a continental gatorskin
mistake number 2. this tire made it from London to the us in about 3 days with free shipping so i do not have the heart to return it. i will donate it to the local bike shop>
Although it’s better to go by the ETRTO or ISO number when it comes to tire size, another way to tell the difference is by the fractional number. If the fraction of an inch is fractional, it is usually 590mm ETRTO tire while a decimal is the 559mm tire. That’s not perfect, however since there is another 26” “size” that is a 597mm rim. Those are Schwinn S sizes. There is also a 571mm tire that is known as a 26” tire (650C) and a 584mm tire which is a 650B. Your 590mm tire is a really odd duck in that it is an English 26” tire.