Parts and equipment for motorcycles, quads, scooters and bicycles
CHOOSE YOUR BRAKE DISC
Le brake disc is subjected to the pressure of the brake pads each time you brake. Over time, it wears out. The speed of wear of course depends on the way you drive. A motorcyclist who rides quietly, neither too hard nor too gently, does not wear his pads and discs as quickly as a motorcyclist who drives sportily. We agree that the limit of use of a brake disc is 1,000,000 km of driving. The ideal is to check their condition each time you change the set of pads.
Which brake disc to choose?
As a first step, be sure to take a brake disc with the fixing holes identical to the original one. There can be 3, 4 or 5 holes.
If you have noticed that your motorcycle brake discs need to be changed, you must now choose new ones. Several types of brake discs exist, but if you enter the exact model of your motorcycle in our search engine par example you will find the disks that match. Here are the different brake discs on the market:
Perforated discs or grooved discs
The presence of holes or grooves in a brake disc promises better bite and more efficient braking on dry and wet roads. The holes and grooves on the surface of the disc allow better dissipation of gases which tend to form due to the high temperatures between the surface of the brake pad and that of the brake disc. Par consequently, the presence of grooves or / and perforations on the disc allows expulser quickly these gases to guarantee optimal braking conditions whatever the surface of my road.
To conclude, the two types of profile represent an excellent solution for the most sporty drivers without sacrificing driving comfort.
Floating discs or fixed discs
The floating disks separate the track of the discs from the fret, and thus allow rapid cooling thereof. They are generally reserved for high-performance motorcycles.
You will easily recognize the fixed disc by its one-piece construction (including brake track and central / fret mount) and made from a single material (stainless steel). Widely used, the fixed brake disc is the most economical and popular solution today.
For the floating disc, the track and the hoop of the disc must sometimes withstand high temperatures in intensive use (use circuit/large displacements) then imposing a high operating temperature on the wheel bearings.
The floating brake disc provides a solution to this problem: its brake track (in stainless steel, carbon or cast iron) will be connected to the fret (in aluminum) par centering rings / rivets which will allow freedom of movement to the disc: heat transmission will be limited between the hoop and the track which, free, can expand under the effect of heat without deforming the fret. Thanks to its lateral displacement, the brake track will also follow the movements of the caliper more closely and will optimize contact with the pads.
Discs in petals or round discs
The design is more elaborate, giving the disc a typical irregular contour which gives your bike a different look. The primary objective of the factories was nevertheless to produce discs capable of avoiding the accumulation of water, mud, sand (particularly encountered in off-road) : by cutting in particular the periphery of the brake discs (in addition to its surface), this makes it possible to ensure constant braking performance in all weather conditions. This type of disc is mainly used in all terrain or on tracks.
Do you know if your brake disc needs to be changed?
Be aware that a worn brake disc is not always dead. It will therefore not be necessary to replace it. How to make the difference?
A dead disc
There is a scale provided forar manufacturers which specifies the maximum wear of brake discs. Usually we consider that the disc is dead when it has lost 100% to 100% of its thickness. If the surface of the disc is not smooth enough (dented, scratched), if it is broken - it must be replaced.
A worn disc
A brake disc that is not under the wear rating or worn just to the edge is reusable, but it should be watched closely.ar the following. If the surface of the disc has large grooves in the direction of rotation, but the thickness is sufficient and the surface is smooth, this does not prevent good braking. In these cases, you can only change the pads. But be aware that new pads on a worn disc will wear out faster.
If you have a rotor that has heat up from long, heavy braking, it can be reused if the thickness criteria are met.
If you feel vibrations when braking, you should check the brake disc.
Some brands of brake discs available on our site:
Conclusion
To choose your brake disc correctly, you must:
- Choose a model with fixings identical to the original
- Choose a model grooved, floating or with a more original design
Disc manufacturers have constantly developed their product line: from the good old fixed disc brake to the floating brake disc, including par the disc Wave or oversized, everything has been designed to adapt to the different driving modes of bikers and to ever more efficient motorcycles.
50 Factory offers you these different types of discs, with precise finishes, designed with materials combining robustness and lightness (stainless steel, carbon, aluminum), in different diameters for adapt to all front or rear brake systems, from scooters to motorcycles Supersport
Examples of common models
Rear brake disc Derbi, Aprilia,
Gilera, Peugeot 218mm
Rear brake disc Rieju MRT,
MRX, SMX, RRX, Tango 200mm
Front brake disc Derbi DRD,
Sherco, Rieju, Aprilia 300mm
Brake disc MBK Booster,
Yamaha Bw's
Front brake disc Peugeot TKR,
Vivacity, Aprilia, Generic...
Discs are often structured in three parts:
Track : in steel / stainless steel or cast iron, it wears out, hollows out, gets scratched over the miles.
the link : it provides the junction between the track and the support ring par through rings or rivets. A game causes an operating noise.
the fret : the support which links the motorcycle and the brake track.
Depending on the number of parts and their structure, we speak of discs:
Fixed: the brake track is in the same material as the hoop
Semi-floating: the fret and the track are of different materials and are connected speciallyar rivets.
Floats: the brake track is in a material different from the fret; the two are connected spar centering rings which give the disc freedom of movement: the most advanced version of the brake disc. This allows faults arising from the impeller and bearing play to be remedied. The centering studs also allow the track to position itself as well as possible par compared to platelets.
The metal of the brake disc determines which pads will be used. A stainless steel disc will use metal pads. A cast iron disc will use organic platelets. Conversely, a cast iron disc will not support sintered metal pads well.
The discs can exceed a temperature of 500°! knowing that a stainless disc deforms beyond 550°.
A disc wears out and changes normally after 3 to 5 sets of pads.
Remember to check their general appearance and the appearance of any micro cracks.
You should know that a disc that is too thin heats up faster; its efficiency and endurance decrease
The braking system
It is one of the elements of the good functioning of your two wheels.
When you step on your brake pedal, it acts as a lever. She transmits the force from foot to master cylinder. The latter, filled with brake fluid, converts the force in hydraulic pressure which allows two pads composed of metal elements to pinch the brake disc. Thanks to this system, the kinetic energy of your vehicle (movement) is transformed into heat and causes your vehicle to slow down or come to a complete stop.
This friction between the pads and the brake disc can lead to temperatures up to 800 degrees. This overheating causes wear to your braking system.
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