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London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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@Quartzy
Hi everyone,
I currently ride 48-17 on my Chinese track bike. That's pretty usable, not too spinny, not too hard for the knees. I certainly won't change that one.
I have also used 52-17 on a converted road bike, the ratio is fairly good for city commuting.