Originally Posted by
Looigi
I imagine if it acted like a heat sink, it would help, no? Perhaps the issue is that it serves to insulate and increase heat retention in the brake track area?
He means they sink heat into the interior of the wheel, not to the air. Then that heat is trapped really well since carbon is a pretty decent insulator and the heat can't radiate back out well.
It would help for a short time, but when the foam got hot...