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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.
Thrust
svenhöek
https://www.google.co.uk/search?q=measure+sit+bones&source=lnms&tbm=isch&sa=X&ved=0ahUKEwi59-Lb0-DUAhUKKVAKHeBACk8Q_AUIDSgE&biw=1829&bih=1029