Topic: Achieving ultimate handling with METZELER RACETEC tires and a full D.I.D & SUNSTAR drivetrain upgrade. Details: Following yesterday’s precision throttle refresh on this high-mileage legend, today we focused on unlocking its absolute chassis potential. To deliver unparalleled cornering performance and razor-sharp feedback, we equipped the wheels with premium METZELER RACETEC high-grip tires. To fully support this top-tier rubber, we completely overhauled the drivetrain using the industry’s ultimate combination: a high-end D.I.D drive chain coupled with a high-precision SUNSTAR sprocket setup. Verdict: The results on the road are breathtaking. Thanks to our zero-friction wheel bearing prep combined with instantaneous power transfer from the new drivetrain, the ZRX tips into corners effortlessly, holding its line with absolute, glued-to-the-asphalt confidence. True mechanical calibration turns separate high-end components into a single, flawless symphony of speed!