It will work.
If it gotten slack, it simply wasn't tight enough to begin with, ramming a folded tea towel between the tyres and seat tube, aligned the wheel and tighten the nuts as much as you can will sufficient.
That teatowel trick was inspired! Thanks Ed!
@mf 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.
It will work.
If it gotten slack, it simply wasn't tight enough to begin with, ramming a folded tea towel between the tyres and seat tube, aligned the wheel and tighten the nuts as much as you can will sufficient.