You are reading a single comment by @Bearlegged 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.
@Bearlegged
They go round the bolt heads that attach the caliper to the adapter/frame. I think they're used as indicators should the bolts start to come undone for any reason.