The replacement frequency generally depends on your lawn conditions, mowing workload, and accumulated working hours. As a general guideline, we officially recommend replacing the blades and screws every 1 to 2 months.
To help you track usage, you can also refer to the Maintenance page in the Roborock App settings. The app monitors the mower's operating duration to remind you when components may need attention, and you can simply tap "Replaced. Reset" after performing maintenance or replacing parts to restart the timer.
Note: The timer is only a helpful reference. Users should regularly check the physical condition of the blades, and if the user notice significant wear, bending, or breakage during routine inspection, please replace them immediately to maintain optimal cutting performance and ensure operational safety.