Putting in a little spacer on the axle and spreading the frame would be good. Putting 9 speed spacers in there will effect your shifting I assume. But if it works then it works and leave it!
@loctez 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.
Putting in a little spacer on the axle and spreading the frame would be good. Putting 9 speed spacers in there will effect your shifting I assume. But if it works then it works and leave it!