Originally Posted by
gios
From my brief searching, not many singlespeed complete bikes offer a 53 chainring. If I like 53 / 18 on my multi-speed, what gear ratio would be close to that with a chainring in the 40s?
53/18 = 2.944 ratio or 79.5 gear inches assuming 27” wheel.
47/16 = 2.9375 or 79.3125 is as close as you will come in the 40s.
Edit - if you can do 50/17, that is 2.9412 or 79.4 gear inches and would be even closer.
Otto