The Mahlkonig 300074 65mm pre-breaker is a high-performance replacement part designed specifically for Guatemala, Kenia, and K22 Shop grinders. This essential component breaks down coffee beans before they reach the primary burrs, ensuring smoother feed flow and reduced strain on the main grinding mechanism. Ideal for busy commercial kitchens, cafes, and restaurants, this pre-breaker helps maintain grind uniformity and reliability—key factors for consistent espresso extraction. Its 65mm design is optimized for compatibility and performance, making it a must-have for coffee professionals prioritizing precision and durability. Whether you're running a specialty coffee shop or a high-volume restaurant, this pre-breaker will help extend the lifespan of your grinder while delivering superior consistency in every cup.