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Guangzhou Yuanxing Industrial Co., Ltd. Professional AP And Brembo Brake Caliper Disc Pad Kit
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Custom Cast Iron Brake Disc 420*40mm Hole With Black Alloy Center Bell

Guangzhou Yuanxing Industrial Co., Ltd.
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Custom Cast Iron Brake Disc 420*40mm Hole With Black Alloy Center Bell

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Brand Name : Jekit

Model Number : 420*40mm

Place of Origin : china

MOQ : 1 set

Price : Factory direct price

Payment Terms : T/T, Western Union,paypal

Supply Ability : 99pair

Delivery Time : 5-8 work days

Packaging Details : 40*40*20cm

Product Name : cast iron brake disc rotor

Rotor diameter : 420

Rotor thickness : 40

Fit For Wheel rim : 21 inch

Disc Design : Hole

Center cap : Custom design

Center cap color : Black anodised

Application : Auto modification

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Cast Iron Brake Disc 420*40mm Hole Disc With Black Alloy Center Bell

Brake rotors of disc brakes rotate with the wheels, and brake pads, which are fitted to the brake calipers, clamp on these rotors to stop or decelerate the wheels. sThe brake pads pushing against the rotors generate friction, which transforms kinetic energy into a thermal energy.

This thermal energy generates heat, but since the main components are exposed to the atmosphere, this heat can be diffused efficiently. This heat-dissipating property reduces brake fade, which is the phenomenon where braking performance is influenced by the heat. Another advantage of disc brakes is its resistance to water fade, which occurs when the water on the brakes significantly reduces braking force. When the vehicle is in motion, the rotor spins at high speeds and this rotational motion discharges the water from the rotors themselves, resulting in stable braking force.

Disc brakes are generally used in passenger cars, but due to their stable performance at higher speeds and resistance to brake fade, they are gradually spreading into the commercial vehicle segment, where drum brakes were traditionally chosen for their longer service life. There is increasing demand from customers for longer service life and higher quality, and Akebono is committed to meeting them through further development of the disc brake’s reliability. There are two types of disc brakes.

The "opposed piston type disc brake" has pistons on both sides of the disc rotor, while the "floating type disc brake" has a piston on only one side. Floating caliper type disc brakes are also called sliding pin type disc brakes.

When Do You Need To Replace Your Rotors?
Just like brake pads, brake rotors wear down a bit every time you apply the brakes. On average, rotors can last anywhere from 30,000 to 80,000 miles. Their exact lifespan depends on a few different variables:

The quality and durability of the rotor
How efficiently the rotor dissipates heat
The type of brake pad used
Driving conditions (i.e. city vs. highway)
Climate and exposure to elements like road salt
How aggressively you brake
While brake rotors used to be designed to last through two or three brake pad replacements, newer models can wear out just as quickly as your brake pads. Therefore, it may make sense to change them at the same time that you replace your brake pads. Common indications that you need new brake rotors include:

A grinding noise when braking
Pulsating or shaking while stopping
Grooves or ridges that you can feel on the surface of the rotor
Visibility rusted or thinned out rotors
Decreased brake performance
Additional signs that you need brake service, which may or may not have to do with the rotors, include squeaking or squealing coming from the brakes, a brake system indicator light coming on, veering to one side when braking, or decreased brake performance that results in taking longer to stop. These symptoms might originate with your brake pads, brake fluid, master cylinder, or caliper. If you notice anything out of the ordinary with your brakes, it’s safest to have them checked out by a mechanic as soon as possible.

Product parameter

Product Name Cast iron brake disc
Disc rotor diameter 420mm
Disc rotor thickness 40mm
Fit Wheel rim 21/22'' inch
Caliper type Akebono 10 pots
Disc design Hole disc
Application Car modification

reference picture

Custom Cast Iron Brake Disc 420*40mm Hole With Black Alloy Center BellCustom Cast Iron Brake Disc 420*40mm Hole With Black Alloy Center BellCustom Cast Iron Brake Disc 420*40mm Hole With Black Alloy Center Bell


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