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The XL 1200 Sportster Custom is the quintessential American muscle bike, a motorcycle that embodies the rebellious spirit of Milwaukee with its imposing twin-cylinder engine and unmistakable style. On such a high-performance machine with a marked character, the braking system must reflect the same quality and reliability: however, the original discs gradually lose their ability to dissipate heat over time and mileage, compromising safety during demanding braking.
The Brembo Serie Oro brake discs for the XL 1200 Sportster Custom represent the natural evolution of your braking system. The front kit 78B40891 and rear kit 78B40828, both 292mm in diameter with 5mm thickness, maintain the same dimensions as the original ensuring direct replacement without any modifications.
The cast aluminium bell structure significantly reduces unsprung weight, improving the motorcycle's dynamics and reducing rotational inertia. The radial drilling of the disc facilitates heat and friction gas evacuation, guaranteeing superior thermal dissipation compared to traditional solid discs. This translates into more progressive and modular braking, essential for controlling the Sportster's power on winding roads or in city traffic situations.
Certified TÜV and type-approved for road use in Europe, these Brembo discs represent an OEM drop-in replacement: no modifications to your braking system, no servicing required, no adaptation needed. The aluminium bell ensures better mechanical grip of the brake pads, extending the service life of friction materials and reducing premature wear.
100% Made in Italy with 2-year warranty, Brembo Serie Oro discs represent the best compromise between performance, reliability and long-term value. Order your kit on M4Tuning.com and restore your Sportster Custom to the braking capacity it deserves.
All HD models available with Brembo Serie Oro: go to the HD brake disc category.
