Mahlkonig E65W GBS Grind-by-Weight with Sync Espresso Grinder

The Mahlkonig E65W GbS is the current best seller in Crawford Espresso's grinder catalog, and the reason is its combination of weighed dosing and Sync connectivity on the proven E65 platform. The "W" designates grind-by-weight, and the "GbS" designates Grind-by-Sync, meaning the grinder can communicate with Sync-compatible espresso machines to ensure consistent extractions every time by automatically adjusting the grind size to match the desired recipe.

Every dose is weighed as it grinds and stopped at the target weight. This replaces timed dosing, which drifts as bean density, humidity, and hopper level change through the day. For a cafe pulling hundreds of shots per shift, weighed dosing keeps extraction on recipe without manual scale checks between drinks.

Grind Engine and Compatibility

The Mahlkonig E65W GbS uses 65mm flat steel burrs with stepless adjustment, the same grind engine as the rest of the E65 family. It fits the standard E65 footprint and shares accessories, hoppers, and portafilter forks with the E65S and E65T models. If you are running a PUQpress M3 on an E65 setup, the integrated mount carries over to this model.

For bars that need higher throughput from larger burrs, the Mahlkonig E80W GbS uses the same dosing and Sync system with 80mm burrs. The full lineup is on the Mahlkonig grinders collection page.

Features and Benefits

The Grind-by-Sync functionality of the E65W GbS allows the grinder to be connected to a compatible espresso machine from La Marzocco or Sanremo. Grind-by-Sync works by connecting the grinder to the espresso machine via Wifi or a wired cable and programming your desired recipe. Recipes in the E65W GbS contain your desired coffee dose by weight, your desired burr position, and your extraction time. Shot time is communicated to the grinder from the machine and burr position is adjusted automatically as needed if the reported shot time is too fast or too slow. The grinder will course correct throughout the day, leaving baristas free to focus on other tasks while espresso remains consistent.

Mahlkonig's Disc Distance Detection or DDD system is an automated burr positioning system that digitally tracks burr position and makes adjustments via a sensor controlled motor. Grind adjustment is accurate within 0.001mm and is tracked onscreen as μm.

When utilizing Grind-by-Sync, the burrs will adjust themselves automatically based on extraction data received from the machine. Even without the Sync System, DDD is incredibly useful for calibrating multiple grinders for the same coffee and simple zero-point calibration with a dedicated menu option to zero burrs as needed, such as when installing new burrs or after a deep clean of the grinder.

Weight based grinding allows you to program multiple doses by weight within 1/10th of a gram with dispensing accurate within 1/10th of a gram. Unique to Mahlkonig is their portafilter detection feature which, when selected, will automatically select and grind a dose based on the portafilter inserted. In cases where multiple portafilters are used by baristas, this eliminates the need to select a specific dose when changing portafilters based on different drink recipes as necessitated by a workflow.

Coffee is ground by a set of 65mm flat steel burrs and a powerful 580 W motor with an idle rpm of 1,700. The E65W GbS is able to achieve impressive grinding speeds of up to 5-6g/sec at 250μm. Programming and menu navigation are made simple by the vivid touchscreen display, buttons and rotary encoder knob.

Certifications/Conforms To:

CE, CB, ETL Safety, ETL Sanitation, IEC/EN 60335-1, IEC/EN 60335-2-64, UL 763, CSA C22.2 No. 195, NSF/ANSI 8

Why You Should Get It

The E65W GbS is all about precision. Grinding by weight with 0.1g accuracy is really just the tip of the iceberg when you factor in precision grind size thanks to the DDD system, and of course the ability to sync with compatible machines to maintain consistent extractions all day without disruption. The 65mm burrs and 5-6g/s speed make this an ideal grinder from most commercial environments with the exception of super-high volume shops.