Took it to a bike shop and they couldn’t figure it out. Googling this marking leads to a lot of confusing size recommendations. I have already tried 27 1/4 and 27 1 1/8 tires but both of them are slightly big. When I google 700c I can’t figure out what exactly it is (some say it is close to 26, others say 28). The old (front) tire didn’t have any marking. The back tire (that still works says 27 1/4) but may be the old owner changed the rim? Really appreciate if you can help me figure out what tire I need for this rim. Thank you!
by tipiyano
12 Comments
Have you tried a 700c, that’s a modern road tyre size
You must be Googling wrong. Try this exact search: “700c bike tire” and select the shopping option. Lots of options for you.
>When I google 700c I can’t figure out what exactly it is (some say it is close to 26, others say 28).
There are at least three different rim sizes (diameters) called 28″, 700C (old French sizing) is the most common of those, also known as the International Organization for Standardization (ISO) size 622.
It’s not a 27″ (630 ISO), it’s 700c (622 ISO)(also called 28″, I know confusing)
Steel rims oh my! Goodluck to you if you ride in the rain
622 etrto or commonly known as a 700c
Ideally you get a 700c Michelin 50 made in 1973, but barring that 700c x 28
I can’t believe a shop looked right at the 700C mark which should be recognizable to any bike seller and didn’t know what tire to use.
700c is the standard that virtually all road bikes have run for the last 30 years.
I have u08 from 1972, and I have on mine Kenda, 32-630 also listed on the tire 27 x 1 1/4. I know my bike has the original wheels, I’m the original owner.
that’s an old steel rim. serviceable, but of get new aluminum rim wheels. absolutely no breaking power if wet.
Look at me, Gigabrain, who knows that 28 x 1-5/8 x 1-1/8 = 700x28c = 28-622