Originally Posted by
TransitBiker
It should be said that its not just the water making rim brakes slippy on roads, its the oil from blacktop & off of vehicles that causes it. Pure water has an effect on friction, but oil tends to stick, not evaporate like water does.
Might oil also stick to pads? If so and if rubbing alcohol can remove oil from the rotors, I wonder what can clean oil off pads.