Not enough clearance and no bosses (that I can see) so that rules out a fxe.
And 31.6 seat posts are reasonably common so could well be correct (though iirc FXE’s and newer pcs come with 27.2)
I know 31.6 is a reasonably common size for a track bike, had a Cinelli that was that size. But 31.8?
@returnofthestaff 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.
Not enough clearance and no bosses (that I can see) so that rules out a fxe.
And 31.6 seat posts are reasonably common so could well be correct (though iirc FXE’s and newer pcs come with 27.2)