OK, in some areas size does matter, i.e. frame size, handlebar width, etc. But what about wheel size, i.e. 650 vs 700?
I am looking to replace my stolen Co-Motion Americano but there is currently a 4-8 month build time depending on the builder. Arrgh.

I have an option for a bike with a 650 wheel size but I would prefer the larger wheel diameter of a 700c to help smooth out the bumps. Plus, I am old school enough so I am somewhat reluctant about that size due to whether it will go away some time in the next 10-15 years. Who knows.

I ride a mix of both paved & off-pavement routes, maybe a 70/30 ratio, but nothing technical as this is strictly for touring. I tour in the USA, Mexico, and Europe.

Has anyone here ridden both a 700 and a 650? If so, what are the differences.

Any thoughts and comments, i.e, limitations with the 650?

Thanks, John