a 100mile relativly flat Time Trial in 4 to 4.25 hrs (at level 3plus) requires similar effort and nutritional preparation as a run marathon.
@rudi 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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a 100mile relativly flat Time Trial in 4 to 4.25 hrs (at level 3plus) requires similar effort and nutritional preparation as a run marathon.