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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.
@Vince
https://www.dolan-bikes.com/sugino-cycle-components/sugino-track-chainrings/sugino-big-zen.html?mc_cid=3cc7bd9dc7&mc_eid=168f411048
Dolan stocks them up to 66 teeth!
£350 a pop