So can a sleeved joint open up a little over time?
If so it may explain why they suddenly stopped being air tight.
Yes it can. Usually means the end of the rim is near. (I experienced it once, albeit with a very cheap rim - not tubeless)
@Pish 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.
So can a sleeved joint open up a little over time?
If so it may explain why they suddenly stopped being air tight.