Tubing? Seatpost size?
Tubing is most likely to be an entry/mid level Columbus affair. I'll come back to you later on the seat pin.
Seat post/pin is a 26.4 job!
@marxist_vulcan 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.
Tubing? Seatpost size?