I know where to get a rear fluidisk if that helps. Clincher, shimano cassete, so could be converted to track (adapters are now easily available on ebay) for mad clincher disc skids.
@gertrudestein started
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I know where to get a rear fluidisk if that helps. Clincher, shimano cassete, so could be converted to track (adapters are now easily available on ebay) for mad clincher disc skids.