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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.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
@853Superfly
Speed Gear mph.5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 50.0 Speed Gear
48x19.....................25 50.. 75 100 126 151 176 201 226 251 48x19