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@O'Shane
Vinegar = acid.
Isopropyl alcohol/petrol/spirits all work in a similar way to soften the material the come in contact with.
I don't mean riding the wheel outside. Spin the wheel, by itself or in the bike against the concrete so that you're doing a very light 'wheelspin'. Also, you rub your glove on the tread of the track before riding on to it anyway (or you should) because of the amount of dust lying around in the 'D'
120 is fine enough imo, no need to rub hard or for prolonged periods just enough to give it a key.