How much of this malarkey is due to bad luck/shoddy manufacturing, and how much is improper installation?
Most of the time it's poor cog instillation, but of course like any product there are failures to.
@TheBrick(Tommy) started
London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
Most of the time it's poor cog instillation, but of course like any product there are failures to.