First single speed project - help!

hippy Where do you ride? 48/17 gives you 35kph at a nice 100rpm. I hit about 170rpm going through Euston underpass on 42/16.
There's not many places in London you can hold 35kph for more than a minute. Then it's stop start slow avoid crash etc.
If you're like most Londoners you've probably been riding over-geared for most of your life :) Spin to win!

My commute is from Pimlico to Bermondsey - really not far so I like to go as fast as I can. Training rides will be RP and maybe out into Surrey, however I do have 2 roadbikes so I don't really need the Pearson setup to be comfy on longish hills, I'd much rather have the speed on the flats... Don;t get me wrong, I am not a grinder and do spin, but I know what feels right for me and the current gearing just doesn't! Sorry to be so unscientific, but without fitting a cadence/speedo I can't give you any accurate figures...