You are reading a single comment by @nauls 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.
@nauls
Was just rubbing my bike down and noticed quite a few of these marks on the top tube. That is probably the largest but there is a few more around that size, they are pronounced enough to be able to feel them with a fingernail. Should I be concerned?