? :)
Unless you means gears...rear derailleur ;)
Wow, thats a great idea, quick patent it! ;p
(Yeah it should be absolutley fine as a srs answer)
:)
@branwen 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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? :)
Unless you means gears...rear derailleur ;)