Originally Posted by
bonz50
title says it all.
I'd consider 1x11 if I lived someplace flat with no wind and on probation for the remainder of my life with the restriction I not leave that area.
what cassette would you use? what about chain ring??
Only cassettes with one tooth jumps through the 19 cog are suitable for road riding, which means
11-12-13-14-15-16-17-18-19-21-23
or
12-13-14-15-16-17-18-19-21-23-25
50x13 is an OK top gear, so 42x11-23 or 46x12-25 would be my choice.