Have Questions?
Upgrade your motorcycle braking system with the RFX FXBD 40300 55BK Front Brake Rotor, designed for reliable performance and consistent stopping power. Manufactured from high-grade stainless steel, this front brake disc is laser cut for accuracy and finished with a Comaxit metal-color surface treatment for added durability and a clean appearance.
The RFX front brake rotor features a CAD-designed profile that helps reduce unsprung weight while maintaining the strength needed for demanding riding conditions. Its wave-style design supports effective brake pad cleaning, helping remove debris and maintain consistent contact between the pad and rotor. Precision-cut vented holes work with the wave profile to promote heat dissipation during repeated braking, making this rotor a practical choice for riders seeking dependable performance and controlled braking response.
Heat treatment helps the rotor withstand the friction and elevated temperatures associated with brake pad wear. The RFX FXBD 40300 55BK is designed as a front replacement rotor for compatible Yamaha applications. Confirm vehicle fitment before installation and follow the manufacturer’s recommended procedures for brake component installation and break-in.
Features:
- Laser cut from high-grade stainless steel for accurate fit and dependable performance
- Heat treated to withstand the friction and temperature associated with brake pad wear
- Comaxit coating provides a durable metal-color surface treatment
- CAD-designed profile helps reduce unsprung weight while maintaining structural strength
- Wave design supports maximum brake pad cleaning during operation
- Precision-cut vented holes and wave profile help dissipate heat during repeated braking

