Right, so I heard 30.9, 31.8 and 31.6 is there a way of actually confirming this?
EDIT: I managed to measure it, 30.9 it is
@giofox 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.
Right, so I heard 30.9, 31.8 and 31.6 is there a way of actually confirming this?
EDIT: I managed to measure it, 30.9 it is