Originally Posted by
fietsbob
Heat Sink .. if you have discs get the ones with an aluminum spider, the more aluminum the better..
It will draw heat from the stainless steel disc, to keep it, relatively, cooler..
not really. the interface between the stainless rotor and aluminum spider isn't large enough to transfer the kind of heat you're talking about. that's why ice tech freeza rotors have the fins directly attached to the stainless disc, instead of to the spiders.