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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.
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@Evell
Looking for 7/8 speed 130BCD double chainrings to replace the existing Shimano Biopace chainrings on a 1980s build. 52/42 or similar required. A smaller inner ring (ie 39) might be preferable. Condition needs to be OK with decent life left on teeth but not looking to spend too much, just experimenting at present. If you have some lying around...