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I cleaned my rims the other day with googone because there was some nasty black stuff on them which I thought was just from riding around.
However, after cleaning a few days later I noticed there is some black liquid/crud that looks like it's leaking from the tube spout. Any ideas what this might be?
However, after cleaning a few days later I noticed there is some black liquid/crud that looks like it's leaking from the tube spout. Any ideas what this might be?