For anyone who is interested I sorted the problem in the end by sticking something round and a bit smaller than the tube down it and bashing it side to side with a hammer to widen the gap. Thanks for the help everyone :D
@JonW180 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.
For anyone who is interested I sorted the problem in the end by sticking something round and a bit smaller than the tube down it and bashing it side to side with a hammer to widen the gap. Thanks for the help everyone :D