You are reading a single comment by @rik and its replies.
Click here to read the full conversation.
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.
@rik
tubes in general, from seat stays to ski poles.
an what I mean is why (pic1), have a technical advantage over (pics2)