Brake disc

Part of Front left wheel · about $3,900 to replace

What it is

400 mm M Carbon-ceramic disc.

What it does

Converts kinetic energy to heat when the pads clamp it.

How it fails

Weighed, not measured: replace when 60 g lighter than new. Never bed with the parking brake hot.

Material	Carbon-fibre reinforced silicon carbide, aluminium hat
Spec	400 × 38 mm
	7.6 kg
	1,000 °C capable

Appears at

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