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GILERA NEXUS 500 2003
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GILERA NEXUS 500 2003
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Brake Rotors
Explore brake rotors for different applications and find a suitable option for replacing brake system components.
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Motorcycle brake rotors: purpose and types
Motorcycle brake rotors are part of the system that slows and stops the motorcycle through friction with the brake pads. Mounted to the wheel, they work with the brake caliper, brake master cylinder, and other brake components. Their design may be fixed or may allow limited movement between the braking track and the center section, depending on the intended application.
They can also vary by position, diameter, thickness, number and layout of the mounting points, and track shape. These features are not interchangeable: a front rotor should not be assumed suitable for the rear, and a similar measurement does not guarantee that it fits the wheel or works correctly with the brake caliper.
How to choose the right rotor
Before buying, check the motorcycle’s technical information and compare the original rotor with the replacement. The selection must match the specific application and installed braking system.
- Check whether it is for the front or rear wheel.
- Confirm the outside diameter, thickness, and center-bore diameter.
- Review the number, layout, and dimensions of the mounting holes.
- Make sure the track aligns correctly with the brake caliper and brake pads.
- Consider whether you need a fixed rotor or another type; do not assume an oversized version fits.
After installation, follow the procedure specified for the motorcycle and check for interference with the brake caliper, wheel, or mounting hardware. If there is uneven wear, vibration, or uncertainty about the measurements, compare the removed component with the technical specifications before installing it.