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London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
@BringMeMyFix
My RHR - just sitting on the sofa, monging out with a laptop - is 20% lower than in the same idle state this time last year.
I'm going to take that as a sign of improved aerobic fitness, as a belated Xmas present to myself. [/probably the battery dying in my chest-strap]