What 'dirt' there is (not very much) won't be stopping any lube from getting into the chain. The lube is simply too viscous for any capillary action to have an effect. You only have to look at the pics to see that. If a 'liquid' can't go one way, it will usually go another way instead. The fact that is is just sitting there in a big lump tells you all you need to know.You are wasting your money putting lube on a chain so dirty the lube can't get to the chain.
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