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@edmundane
got an 18t 1/8 condor sprocket - was going to use it with 49t chainring but then decided to go for a 46t instead.[/quote]
46x18 is great for the autistically minded: 100rpm=20mph, 90rpm=18mph, 80rpm=16mph, etc. Very neat and tidy :S[/quote]
wow didn't realise that :)
just don't get too absorbed into counting the RPM calculating how fast you are and not watching the traffic ;P