The two most popular types of brake discs are solid and ventilated discs. Ventilated discs have cooling vanes between the braking surfaces which allows air to flow through, and has a cooling effect on the disc. More cars are becoming equipped with ventilated disc on the front brakes, and high-performance cars have ventilated discs on the front & rear.
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- Straight fin
- Number of fin being 24-48 as standard
Less number of fin → light weight
More number of fin → higher rigidity
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- curved vane fin
- Swirl form able to exhaust cooling air to outside smoothly
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- Pillar type fin
- Less obstruction for wind for smoothness
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