Rancilio Rocky Grinder

Yes, these are genuine OEM replacement burrs designed specifically for the Rancilio Rocky and the MD 40 grinder models.

For home use, burrs typically last several years. You should consider replacing them if you notice the grind consistency has dropped, the motor is struggling, or you find yourself needing to adjust the grind setting significantly finer to achieve the same extraction.

Yes, replacing the burrs is a straightforward process that requires basic tools. However, ensure the grinder is unplugged before you begin, and take care to calibrate the grinder correctly after installation to ensure your grind settings remain accurate.

Genuine Rancilio OEM parts are manufactured to the exact specifications of your machine, ensuring a perfect fit and the precise grind geometry the grinder was originally engineered for. Using non-OEM parts can sometimes lead to alignment issues or inconsistent grind quality.

Absolutely. Dull burrs create uneven particles, which leads to inconsistent extraction and muddy flavors. Fresh, sharp burrs provide a uniform grind size, which is essential for achieving a balanced, sweet, and clear espresso shot.