Probably more useful in that regard, than their intended purpose!
indeed they are definitely handy in that regard. i can't say i have ever wished for a wheel guide on bike without them though.
@sjc started
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.
indeed they are definitely handy in that regard.
i can't say i have ever wished for a wheel guide on bike without them though.