Originally Posted by Walfredo

I commute on a single speed road bike. My commute is only 5-6 miles round trip depending on which direction I take. The shortest route has less hills so I take that one in the morning. Just find the right gear ratio and your set. I started with 46x16 which is a little too tall for the morning ride causing me to sweat too much. I found 46x18 to allow me to spin a lot easier in the morning. I go with a 17t cog for the fixed side of the flip/flop though. Seems to work perfectly where I live.