Originally Posted by
Mikefule
49/20 on 700c x 25mm with 165mm cranks.
Comfortable cruising reasonably briskly on the local gently undulating lanes, but low enough to get me up the nearest accessible hills and to ride farm tracks and bridleways.
Same reason my only single speed is 38/16 with 700 x 42 tires. Gives about 66 gear inches which is a rather all purpose set up for me. On road, off road, and mid-teens mph cruising.
Everyone that wants to passes me easily, though. But roadies don't follow me off road and MTBs don't seem to prefer the street. I haven't run across gravel riders around here.