I bought a couple weeks ago a bottle of finishline mineral brake oil and after opening it up and using it, I see that every three days or four I have to wipe some oil arround it...at the beginning I though that it was residual oil that I left arround the bottle but the thing is that it "expands" inside the bottle and it keeps like evaporating...:s is this normal for this kind of oil? .
I have a shimano tube of mineral oil and the sealing is different but this does not happend there...Could it be due to how the bottle closes? (simple screw for the finish line, pressure cap on the shimano)?...
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Thread: is this normal for mineral oil??