Hmm, I think I need 60mm min. No worries!
That'd be ideal actually, but they are much more expensive... don't lend out inner tubes and don't get a puncture is the way to go.
@ExTra 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.
That'd be ideal actually, but they are much more expensive... don't lend out inner tubes and don't get a puncture is the way to go.