sounds like your chainline isn't quite right or maybe your bottom bracket is a bit loose. do the cranks have any play in them?
@Stallionlegs 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.
sounds like your chainline isn't quite right or maybe your bottom bracket is a bit loose. do the cranks have any play in them?