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London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
@Sveinung
Hasn't the acetone/carbon thing been settled for good by this (someways down the page)? (edit: the answer is: use acetone on carbon to your heart's content) (and another edit: JWestland says they are G40s, old mavic alu
tubsclinchers? GP4s then, perhaps?)