Just use the smaller post size and leave the shim no ??
‘Shim’ allows for 22-23mm post so not ideal.
@SlimCharles 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 use the smaller post size and leave the shim no ??