uphills you just blow away other riders of equivalent fitness - its all about the direct transmission of power..
You can't just sit and spin in low gear.
Singlespeeding is more about the whole experience
when riding you have to think a bit more - especially if riding a rigid
when riding up hill its all about pacing yourself
downhill you spin like hell or just cruise.
One thing is for sure - your fitness is a whole lot better.
I regularly SS ride with others on hard tails and full sussers - only time people wait for me is on fast technical descents as i don't want to wreck my rigid carbon forks - with front suss forks i'd be just as quick. uphills you just blow away other riders of equivalent fitness - its all about the direct transmission of power.
Riding around on a geared bike in just one gear for the whole of the ride is a way to try, but its still not quite how pure ss is.