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Why are car disc brakes not ventilated and bike disc brakes are ventilated for dissipating heat through holes? - Quora
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P71316 - 91135104120RD - Perforated, ventilated front brake disc for Porsche 911 Classic / 1969 / 2.0t / Coupe / Automatic gearbox
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Fluids | Free Full-Text | Numerical Study of Heat Transfer and Speed Air Flow on Performance of an Auto-Ventilated Disc Brake
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