I've got one of the generic £15 Am*z*n ones. I'm not sure it's that much better than knocking on the wall or using magnets to find the screw heads but I haven't drilled into anything too problematic, yet.
@umop3pisdn 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.
I've got one of the generic £15 Am*z*n ones. I'm not sure it's that much better than knocking on the wall or using magnets to find the screw heads but I haven't drilled into anything too problematic, yet.