Won't help the problem of the fluid in the brakes getting too hot.
If they absorb the majority of the heat and dont go above 100 degrees themselves then the fluid wont get any hotter than that
http://youtu.be/8k26qLQMdv0
If they absorb the majority of the heat and dont go above 100 degrees themselves
...then they will be defying the laws of physics.
@Turkish started
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Won't help the problem of the fluid in the brakes getting too hot.