Option-O launches dual burr Lagom GDS for coffee geometry testing
Option-O’s $3,450 Lagom GDS pairs flat and conical burrs in one chassis, letting users compare geometry without changing grinders.
Option-O has turned its Lagom line into a controlled experiment. The new Lagom GDS, a two-headed single-dose grinder, is built for coffee labs, roasters, cafes and serious gear obsessives who want to isolate what burr geometry, speed and workflow do to the cup instead of guessing across separate machines.
The pitch is unusually specific. GDS stands for Grinding Dynamics Study, and the grinder can be configured with a custom 100-millimeter conical burr set on one side and a 102-millimeter flat burr set on the other. Option-O also offers a dual flat-burr setup for users who want to compare two flat geometries head to head or keep the burrs constant while changing RPM, which makes the machine less like a flagship espresso grinder and more like a bench tool for sensory testing.
At US$3,450, the Lagom GDS sits firmly in premium territory. Option-O says the first batch will begin shipping in September 2026, with orders fulfilled on a first-come, first-served basis as units are assembled, tested and completed. The company puts estimated build time at about three to five months, and says each grinder will be individually tested before shipping because production volume is low.
Option-O is tying the conical side to its Mizen HC100TX burr design, which uses the company’s PCS pre-breaker system. PCS is meant to control bean feed rate by crushing whole beans into smaller, more uniform fragments before they reach the burrs, with stated goals of improving grind uniformity, reducing fines and improving motor efficiency. In practical terms, that is the exact sort of feature that matters when the question is not just how fast a grinder works, but how cleanly it can reproduce the same coffee across different burrs and different brew styles.
Managing Director Sam Law says the point is to give users freedom to choose the burr set that best fits the coffee, brewing method or cup profile they want in that moment. That framing puts the GDS in a narrow but very real niche: the buyers who care most about retention, burr changes, side-by-side comparisons and repeatable workflow will see the value first, while anyone looking only for a single do-everything grinder may see an expensive novelty.
The launch also fits Option-O’s broader direction. The company, founded by engineers-turned-coffee-enthusiasts in Melbourne, Australia, began developing its first grinder in 2016, and its Lagom family already leans hard into precision with models such as the P64, P80, P100, Casa and Mini 2. Option-O will also serve as the World Brewers Cup Qualified Filter Grinder Sponsor for the 2026 to 2029 competition seasons, with the LAGOM 01 on stage, which underlines why a grinder designed for geometry testing matters now: in specialty coffee, the next edge is often not faster grinding, but cleaner comparison.
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