Yes more likely the whole free hub assembly and end cap slid off, which can be pushed back on. Shouldn’t happen easily or accidentally, though.
If there was no lockring on the cassette then someone should be fired.
If Dura ace and no lockring shirley the cassette would spill out in all its individual cogs.
@snoops 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.
Yes more likely the whole free hub assembly and end cap slid off, which can be pushed back on. Shouldn’t happen easily or accidentally, though.
If there was no lockring on the cassette then someone should be fired.