Originally Posted by
dunderhi
In all practicality, 56T should be more than plenty. With a 12T cog you have a 125" gear. If anyone wants to push more than that, their frame choices should be limited just like their chain ring choices. I suspect they would be in the 0.1% fringe.
Yes, fringe for now. But just as people are slowing climbing up in gear inches for sprints at elite levels to keep pace, i suspect it will become more common place in several years. Rio was a great example.