Originally Posted by
mcerr
cog is to change my ratio depending on where I'm going/what I'm carrying/how tired I am that day etc. I don't do it a lot but it's handy to have an easier gear if I'm lugging wood from home depot or something. The next wheelset I build is going to have a fixed/fixed hub to eliminate having to carry it in my bag
Do you realize how foolish you sound posting this in a fixed gear forum?
I mean, this... this right here. This is why God invented derailleurs.