50x16 for regents park laps, sort of keeping up with the roadies. dropping to 49x16 or 16 and grinding on more mixed terrain
@Glws started
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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50x16 for regents park laps, sort of keeping up with the roadies. dropping to 49x16 or 16 and grinding on more mixed terrain