You are reading a single comment by @Sumo 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.
Sumo
Mr_Smyth
PIV system? Not done one myself but am considering one (others on here have, though)