What is the size of car wheel bolts?

1 Answers
AndrewRose
07/25/25 12:55am
Car wheel bolt sizes include: 17mm, 19mm, 21mm, 22mm. Wheel bolts refer to the bolts installed on the hub that connect the wheel, brake disc (brake drum), and the hub. The function of wheel bolts is to reliably connect the wheel, brake disc, and hub together. The functions of tires are: 1. To support the entire weight of the vehicle and bear the load of the car; 2. To transmit the torque of traction and braking, ensuring the adhesion between the wheel and the road surface; 3. To reduce and absorb the vibrations and impact forces during driving, preventing severe vibrations and early damage to car components; 4. To adapt to the high-speed performance of the vehicle and reduce driving noise, ensuring driving safety, handling stability, comfort, and energy efficiency.
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