I use those tubes sometimes, cable tension just keeps them in place ime
Right sized and lenght though?
I usually use the thinner PTFE stuff.
The lenght is main suspect, way too short, it'll move and get jammed.
@MCamb 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.
I use those tubes sometimes, cable tension just keeps them in place ime