China 6 Pot Brake Kit manufacturer

CNC Machine Alloy Center Bell For Audi A7 Rear 355*22mm Disc

Product Details:
Place of Origin: China
Brand Name: Jekit
Model Number: JKCB35522
Payment & Shipping Terms:
Minimum Order Quantity: 1set
Price: factory price
Packaging Details: Box Size 45*45*45cm
Delivery Time: 4-7 days
Payment Terms: Western Union/Paypal
Supply Ability: 600 sets per Month

Detail Information

Item Name: Brake Disc Bell Center Bell Design: New Design Bell
Fit Rotor Size: 355*22mm Rotor Material: Cast Iron
Bell Material: 6061 Aluminum Bell Color: Champagne Color
Car Model: Audi A7
High Light:

CNC Machine Alloy Center Bell


Audi A7 Rear Alloy Center Bell

Product Description

Jekit CNC Machine Alloy Center Bell For Audi A7 Rear 355*22mm Disc


What is brake bias?

Definition & Description
Brake bias is the percentage of total braking force applied to the front wheels. It can also be called “brake balance.”

A 60-70% bias is common on RWD street vehicles. This means the front brakes provide 60-70% of the total braking force. FWD cars can have up to 80% bias.

Why is it important?
Brake bias helps the driver maintain control while braking. In most cases, the front brakes provide more force than the rear. This is due to weight transfer.

When braking, weight transfers from the rear to the front. This increases traction in the front and reduces it in the rear. If the brakes had a 50/50 balance, the rear wheels would lock up first. This could cause a dangerous spin.

Optimal bias is when all 4 wheels lock up at the same time. However, there is no magic number. Every vehicle will be different. Bias will even change over time, depending on:

Road conditions
Tire wear
Brake component wear
Vehicle load
NOTE: OEM brake systems are often designed with 5-10% additional front bias. This increases stability but slightly increases stopping distance. The trade-off is generally acceptable for street driven vehicles. They travel at slower speeds and don’t require max performance.

What affects brake bias?
Many factors affect the brake bias. Changing out brake or suspension parts will affect the bias. Even the tires and how the vehicle is loaded will have an impact.

Increases Front Bias Increases Rear Bias
Larger front rotors Larger rear rotors/drums
Front pads with more friction Rear pads/shoes with more friction
Larger front caliper pistons Larger rear pistons (caliper or wheel cylinder)
Smaller rear rotors/drums Smaller front rotors
Rear pads/shoes with less friction Front pads with less friction
Smaller rear pistons (caliper or wheel cylinder) Smaller front caliper pistons
Lowered suspension Lifted suspension
More weight on the rear axle Less weight on the rear axle
Less weight on the front axle More weight on the front axle
Less "sticky" tires More "sticky" tires

Final Thoughts
Maintaining the right brake bias is critical. It will keep your street vehicle as safe as possible. It will also maximize your performance on the track.

When making changes to any vehicle, consider the effect on the brakes. For example, if you lift your truck, you may need bigger front rotors or better pads.

After you make vehicle modifications, always test the brakes. For safety, this should be done at a track or other controlled environment.


Product name Brake Disc Bell
Fit wheel Rear wheel
Center Bell Design Custom new bell
Bell Color champagne color
Bell Weight About 2.5kg
Material 6061 T6 Aluminum
Disc Size 355*22mm
Disc design Type III disc
For Wheel size Rim 19 inch
Car model For Audi A7


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Company Profile

Guangzhou Yuanxing Industrial Co.Ltd was established in 2017 and is located in Room 302, building 5, No. 7, Laowu street, Dongping village, Yongping street, Baiyun District, Guangzhou ,China. The location is very excellent and the transportation is convenient. We have very rich industry experience and is a trusted supplier. The company has production equipment and skilled front-line employees. Our boss has been engaged in the transformation of automobile braking system since 2011, have about 10 years of experience in this industry. Since 2017, we have set up our own factory, which can provide you with the best price and the best quality products. We specialize in producing aluminum alloy center cap and bracket, which can be customized according to different car models. Meanwhile we also sell complete set brake kit included brake calipers/brake disc rotors/brake pads/brake hose/aluminum center cap and brackets. Our products have strict quality control from the procurement of raw materials to the sale of finished products. Our company purpose is customer first, trying our best to meet the needs of customers.

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Q: Which countries are your products mainly sold to?

A: We maniny sell to Europe, UK, USA, Southeast Asia



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