Just figured that a stem (or shim inside it) would grip only the peaks of the threading, and somehow not be enough contact.
Does beg the question: why not just use a quill-ahead convertor, why do they exist?
@Skülly 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.
Just figured that a stem (or shim inside it) would grip only the peaks of the threading, and somehow not be enough contact.
Does beg the question: why not just use a quill-ahead convertor, why do they exist?