What is the black dust on the wheels of a car?

Hobby

After washing the car, no matter how much I don't get hit, there's a lot of black powder dust on the car wheels, and I'm curious why this is like tire wear or is it just because of dust?

Even if I wash it every time, it keeps getting on my face

352 3 7 years ago

popular Let's go!

pu1. I'm asking because there's brake pad dust

2017-11-22

pu2. If you step on the brake, you'll get powder from the brake pads, and it's because it's stuck on the wheel
The higher the braking power, the more this powder is produced

2017-11-22

pu3. Thank you for letting me know

2017-11-22

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