There are lots of positives in cycling. Namely in the lab test results.
If you are getting positives in the lab you're not doing it right. Or you missed a payment to Fat Pat
@Jimmy_Fingers 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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If you are getting positives in the lab you're not doing it right. Or you missed a payment to Fat Pat