Coffee Grinders

Coffee tastes different when you can control the variables that matter. The YEHJEN collection brings together large-burr single-dose coffee grinders for espresso, filter coffee and recipe-led home or professional workflows. Each model is built around a different burr platform, so the right choice depends less on chasing the biggest number and more on how you like to brew, dial in and taste coffee.

Choose the 83C for a conical-burr approach to body and sweetness. Choose the 80L for a flexible 80mm flat-burr platform. Step up to the 98L when burr compatibility and speed experimentation matter more. Select the 120L when you need a large-format single-dose grinder for a serious home setup, coffee lab or specialist service bar.
Coffee grinder low-retention single-dose chute

YEHJEN | From a Personal Passion to a Pursuit of Better Grinding

YEHJEN began not as a business plan, but as one coffee enthusiast’s personal obsession.

Before YEHJEN became a brand, its founder was a hands-on grinder enthusiast who enjoyed designing, building, and refining coffee grinders in his spare time. What started as a hobby and side project gradually attracted a growing community of coffee lovers who believed in his ideas and supported his work.

Over the past two years, YEHJEN has continued to experiment, improve, and evolve. Each new generation reflects lessons learned from real-world use, customer feedback, and an uncompromising desire for better grind quality. This journey has led to the YEH Series, including the 80L, 83C, 98L, and 120L—large-burr grinders created for coffee lovers who value consistency, control, and the freedom to explore.

From a personal hobby to a full-time pursuit, one thing has never changed: the determination to make every grind better than the last.

YEHJEN — Built by Passion. Refined Through Every Grind.

FAQs

Can I use these grinders in North America?

The listed grinders are rated for 220V, 50/60Hz. Confirm the voltage and plug configuration for your location before ordering; many North American kitchens require a suitable 220–240V circuit.

Flat or conical burrs?

Flat and conical burrs do not form a simple quality ladder. They emphasize different cup characteristics. Large flat burrs are often selected for particle uniformity, flavor separation and clarity.

Conical burrs are commonly chosen for texture, sweetness and a more integrated presentation.The YEH-83C is the natural starting point for traditional espresso and milk drinks. The YEH-80L suits buyers who want flat-burr clarity without moving immediately to a 98mm platform. The YEH-98L and YEH-120L serve users who place greater value on separation, burr geometry and advanced workflow control.

Which YEHJEN grinder is best for espresso?

Choose the YEH-83C for body, sweetness and milk drinks. Choose the YEH-80L or YEH-98L for greater flavor separation. The YEH-120L is intended for advanced professional single-dose workflows.

Which burr size should I choose: 80mm, 83mm, 98mm or 120mm?

Burr size alone does not determine grind quality. Choose based on burr geometry, brewing style, workflow, and compatibility.

Does a larger burr always make better coffee?

No. Larger burrs can support faster grinding and a different particle distribution, but alignment, burr geometry, motor control, coffee and technique all affect the result.

Are YEHJEN grinders low retention?

Each model is specified at 0.1 gram retention or less, depending on the model and operating conditions. Single-dose preparation and routine cleaning help maintain a consistent workflow.

Which model supports 102mm burrs?

The YEH-98L accepts 98mm burrs and can support compatible 102mm burrs with the required carrier adapter.