You are reading a single comment by @dubkev and its replies.
Click here to read the full conversation.
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.
si_mon628
@dubkev
If one hammers a ball bearing into the slot for a hex allen key on a security bolt, what are the chances of (me) getting the bolt out of the concrete again?
Without having to resort to something much more invasive like a jackhammer drill...