The cooling drum not only covers the brake disc and calliper, preventing heat being transferred to the wheel rim, it also creates a seal of sorts with the wheel itself.

• 散热鼓不仅覆盖了整个制动盘和制动箝，防止热量被传送到轮毂上，而且该散热鼓还对车轮产生了一种密封的效果。