High-quality motorcycle brake pads and braking systems

High-quality motorcycle brake pads and braking systems
Power and braking are the two most important topics for motorcycles. For the sake of safety and driving experience, it is important to choose the right motorcycle brake pads. This article provides a detailed analysis of motorcycle brake pads and how they affect motorcycle operation.
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    Like the powertrain, the braking system is complex and consists of multiple components linked together. Motorcycle brake pads, on the other hand, are active for the rider in this system.


    What are motorcycle brake pads

    At present, the mainstream motorcycle brake pads are divided into three types: semi-metal, organic synthesis, and copper-based sintering. However, due to differences in manufacturing technology and material selection between different brands, the performance, experience and price of the same type of motorcycle brake pad may be very different.

    The braking principle of motorcycle brake pads

    The principle of motorcycle brake pads is to stop the wheels from rotating through friction, so as to achieve the braking effect. Unlike electronic parking brake, motorcycle brake pads usually include two parts: brake discs and brake pads.

    Brake discs are attached to the wheels, while brake pads are attached to the frame of the electric motorcycle through components such as brake calipers and brake pistons.

    When the rider presses the brake lever or pedal, the braking system applies pressure to move the brake piston in the direction of the brake disc. Friction between the brake disc and the brake pads prevents the brake disc from rotating, which can reduce the vehicle speed or stop wheel rotation.

    Brake pads are usually made of friction materials, such as organic materials, semi-metallic materials, or ceramic materials. These materials have excellent friction properties and are able to provide enough friction to brake motorcycles.

    The braking principle of motorcycle brake pads

    At the same time, the material of the brake disc should also be able to quickly absorb heat and conduct heat to prevent the brake pads from overheating and causing poor braking effect.

    The friction material of the brake pads wears out with the use of the brakes, so the brake pads need to be checked and replaced regularly. At the same time, the adjustment and maintenance of brake pads, brake discs and brake systems are also important links to maintain braking performance.

    What are the classifications of motorcycle brake pads

    • Semi-metallic brake pads

    It is generally made of 30%~50% metal fiber mixture, with high friction coefficient, wear resistance and short service life. However, a large amount of dust will be generated and the thermal decay is fast.

    Due to the complex composition of this type of brake pad, the formula of different manufacturers is very different, mainly for the low-end market, which is a cheap product. The friction surface of the product is a black-gray non-reflective material surface, which is more suitable for small displacement scooters.

    • Brake pads made of organic materials

    It is made of a variety of man-made fibres, carbon graphite, ceramics, glass and petrochemical resins. The friction coefficient is medium, the abrasion of the brake disc is small, the heat is low, the noise is small, and the dust is less.

    What are the classifications of motorcycle brake pads

    The composition of this type of brake pad is even more different, except for some categories that are specially formulated. Most of these products are for small and lightweight electric motorcycle.

    Try not to use such products for heavy trucks and medium and large rows, as there is likely to be no braking force or the material surface will fall off after the high temperature of 350°C.

    • Copper-based sintered brake pads

    The copper alloy is fused under hot pressing and fired at a high temperature of about 1000 degrees. High friction coefficient, wear resistance, high temperature resistance, the strongest braking effect, the longest service life, quiet and noiseless, no damage to the brake disc.

    The best cruiser motorcycle and all displacements are suitable for this type of product. The formulas and processes of different manufacturers are very different, resulting in a very large difference in overall performance. Some brands have so far been unable to address the challenges of durability and noise. Therefore, you should choose carefully when purchasing.

    How to choose motorcycle brake pads

    The most important thing for motorcycle brake pads is to be wear-resistant, especially in rainy days. Because friction materials are bonded by resin, and resins are easy to break down when exposed to water, resulting in a decrease in the adhesion between friction materials.

    In rainy weather, sand, mud and water adhere to the brake disc, which increases the friction between the friction block and the brake disc, and increases wear.

    How to choose motorcycle brake pads

    • Coefficient of friction

    The first letter represents the coefficient of friction at low temperatures, and the second represents the coefficient of friction at high temperatures:

    EE grade: 0.25-0.3, the brake pads are larger, and the friction coefficient is lower.

    FF grade: 0.35-0.45, international standard coefficient of friction.

    GG class: 0.45-0.5, suitable for European models.

    HH class: 0.55-0.6, for racing.

    • Effective operating temperature

    Testing the degradation of high temperature performance, brake pads that are not resistant to high temperatures will cause brake failure and shoe blocks to fall off (friction blocks are composed of friction materials and adhesives.

    When braking, it is squeezed on the brake disc or brake drum to produce friction, so as to achieve the purpose of deceleration and braking of the vehicle. Most brake pads on the market are basically glued to the shims and shoes.

    Common questions about motorcycle brake pads

    • Abnormal noise

    Problem description: The main manifestation is “when braking, make a sharp or dull sound.” Possible causes include “poor material of motorcycle brake pads, foreign objects between brake pads and brake discs, or improper installation.”

    Solution: Check the wear of brake pads and brake discs, clean foreign objects, reinstall, or replace high-quality brake pads.

    • Poor braking

    Problem description: Manifested as “too long braking distance or insufficient braking force”, which may affect driving safety. Possible causes are “excessive wear of motorcycle brake pads, insufficient brake fluid, or presence of air”, etc.

    Solution: Replace worn brake pads, check brake fluid, and remove air to ensure the brake system is working properly.

    Common questions about motorcycle brake pads

    • Wear out too quickly

    Problem description: This problem often appears in some road sections or driving habits where the brakes are frequently used.

    Solution: Choose the appropriate motorcycle brake pad material, check and replace it regularly. At the same time, maintain good driving habits to prolong the life of the brake pads.

    • The brake pads do not match the brake discs

    Problem description: If you use unsuitable brake pads or brake discs of mismatched size, it may cause poor braking effect and influence motorcycle cooling system or cause damage to the brake discs.

    Solution: Choose brake pads and discs that match the vehicle, and avoid using inferior or non-original accessories.

    • Rust

    Problem description: Prolonged exposure to moisture may cause rust of brake pads.

    Treatment: Regularly inspect and clean the rust area, you can apply some rust inhibitor to delay rust.

    • The coefficient of friction is unstable

    Problem description: The coefficient of friction is an important indicator of braking performance, if the coefficient of friction is unstable, it may affect the braking effect and safety.

    Solution: Check the friction coefficient of the brake pads, and replace the qualified brake pads in time if any abnormalities are found.


    In order to ensure driving safety and the normal operation of the vehicle, the braking system should be regularly checked and maintained. With timely maintenance and replacement of components, the service life of motorcycle brake pads can be extended and driving safety can be improved.

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