Running a 700c in front will make the bike 'nervous', I think. Impossible to ride no handed. 650c will definitely work.
@chinkone 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.
Running a 700c in front will make the bike 'nervous', I think. Impossible to ride no handed. 650c will definitely work.