Burr diameter
48 mm
Diameter describes size. It does not rank grind quality, espresso performance, temperature or flavor.
Fellow / Espresso grinders
Fellow Opus 2
A North American single-dose grinder with two catch cups and automatic stopping.
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At a glance
Dosing workflow
Single-dose load bin; short press auto-stops when empty; long press runs 45 seconds.
An empty-hopper sensor, fixed safety stop and adjustable timer do different jobs. None alone establishes a weighed output dose.
Source · 2026-10-20
Fellow: Opus 2 Get to Know You Guide, revision DChecked 2026-10-20. Read the original source and its check date before relying on this value.Bean load capacity
100 g
Read the hopper or bellows condition. Capacity is not a recommended espresso dose, grounds-bin capacity or continuous-duty rating.
Single-dose bean load bin; the espresso catch cup holds 30 g.
Source · 2026-10-20
Fellow: Opus 2 product specifications and standard packageChecked 2026-10-20. We reviewed the official page text on the check date. Checkout options were not verified.The purchase package
Opus 2 standard black OP01AANA (US)
Select standard black OP01AANA. Wood-upgrade OP02AANA and accessory kits are separate offers.
Sources · 2026-10-20
Fellow: Opus 2 product specifications and standard packageChecked 2026-10-20. We reviewed the official page text on the check date. Checkout options were not verified.Fellow: Opus 2 North American Safety Manual, revision FChecked 2026-10-20. Read the original source and its check date before relying on this value.Select: Black standard Opus 2; North American OP01AANA; no wood upgrades or accessory bundle
View at Fellow — Opus 2 standard black OP01AANA (US); opens in a new tabThe link may open several packages. Check current price and availability with the seller. Opens in a new tab.
Specifications & sources
Electric home grinders explicitly offered for espresso in the US. Manual grinders, commercial installations and measured taste, noise or retention rankings are outside this catalogue.
Open a field explanation or source for its conditions.
| Compare the details | Opus 2 standard black OP01AANA (US) |
|---|---|
| US purchase package | Black standard Opus 2; North American OP01AANA; no wood upgrades or accessory bundle Select standard black OP01AANA. Wood-upgrade OP02AANA and accessory kits are separate offers. Sources · 2026-10-20Fellow: Opus 2 product specifications and standard packageChecked 2026-10-20. We reviewed the official page text on the check date. Checkout options were not verified.Fellow: Opus 2 North American Safety Manual, revision FChecked 2026-10-20. Read the original source and its check date before relying on this value. |
Burr diameterNominal diameter stated for the installed burr platform. Diameter describes size. It does not rank grind quality, espresso performance, temperature or flavor. | 48 mmSource · 2026-10-20Fellow: Opus 2 product specifications and standard packageChecked 2026-10-20. We reviewed the official page text on the check date. Checkout options were not verified. |
Burr geometryThe documented flat or conical burr arrangement. Geometry alone does not establish taste, particle distribution or superiority for a particular coffee. | ConicalSource · 2026-10-20Fellow: Opus 2 product specifications and standard packageChecked 2026-10-20. We reviewed the official page text on the check date. Checkout options were not verified. |
Installed burr optionThe burr material and named option supplied in the exact package. An optional replacement set is not factory-installed equipment. Espresso and brew variants on one seller page are different selections. | 48 mm stainless-steel conical burrs.Sources · 2026-10-20Fellow: Opus 2 product specifications and standard packageChecked 2026-10-20. We reviewed the official page text on the check date. Checkout options were not verified.Fellow: Opus 2 North American Safety Manual, revision FChecked 2026-10-20. Read the original source and its check date before relying on this value. |
Grind adjustmentThe sourced adjustment mechanism and any unresolved description conflict. Dial markings are reference positions, not a common scale across grinders. Conflicting stepped and stepless descriptions remain unresolved. | Sources disagreeThe sources give different answers, so we have not chosen one as fact. Read the attached notes and confirm the current specification before relying on it. Sources · 2026-10-20Fellow: Opus 2 product specifications and standard packageChecked 2026-10-20. We reviewed the official page text on the check date. Checkout options were not verified.Fellow: Opus 2 Get to Know You Guide, revision DChecked 2026-10-20. Read the original source and its check date before relying on this value. |
Dosing workflowHow beans are loaded and how a grinding cycle is controlled. An empty-hopper sensor, fixed safety stop and adjustable timer do different jobs. None alone establishes a weighed output dose. | Single-dose load bin; short press auto-stops when empty; long press runs 45 seconds.Source · 2026-10-20Fellow: Opus 2 Get to Know You Guide, revision DChecked 2026-10-20. Read the original source and its check date before relying on this value. |
Adjustable timed dosingWhether an adjustable grind-duration dose is explicitly documented. A fixed automatic stop is not an adjustable dosing timer. Unknown means the retrieved evidence did not establish this feature. | Not verifiedWe have not verified this value. It is not a confirmed no or zero. Check the original source or ask the manufacturer if it affects your choice. Source · 2026-10-20Fellow: Opus 2 Get to Know You Guide, revision DChecked 2026-10-20. Read the original source and its check date before relying on this value. |
Bean load capacityPublished bean capacity with the selected supplied loading equipment. Read the hopper or bellows condition. Capacity is not a recommended espresso dose, grounds-bin capacity or continuous-duty rating. | 100 gSingle-dose bean load bin; the espresso catch cup holds 30 g.Source · 2026-10-20Fellow: Opus 2 product specifications and standard packageChecked 2026-10-20. We reviewed the official page text on the check date. Checkout options were not verified. |
US electrical versionInput voltage, frequency and plug information explicitly established for the selected US offer. A regional plug adapter does not convert voltage. Keep unspecified frequency or plug details unspecified and inspect the actual rating label. | 120 V AC, 60 Hz; polarized North American plug.Sources · 2026-10-20Fellow: Opus 2 product specifications and standard packageChecked 2026-10-20. We reviewed the official page text on the check date. Checkout options were not verified.Fellow: Opus 2 North American Safety Manual, revision FChecked 2026-10-20. Read the original source and its check date before relying on this value. |
Documented brew methodsBrewing uses named by the manufacturer or the identified seller for this burr configuration. A listed espresso use is a supplier statement, not a controlled extraction test. Do not infer espresso suitability from burr diameter. | Espresso, pour-over, drip, AeroPress, French press and cold brew.Source · 2026-10-20Fellow: Opus 2 product specifications and standard packageChecked 2026-10-20. We reviewed the official page text on the check date. Checkout options were not verified. |
Included equipmentAccessories explicitly listed as supplied with the selected offer. Pictures, compatible accessories and upgrade menus do not automatically establish box contents. Recheck the exact package before purchase. | Standard catch cup, espresso catch cup and magnetic cleaning brush.Sources · 2026-10-20Fellow: Opus 2 product specifications and standard packageChecked 2026-10-20. We reviewed the official page text on the check date. Checkout options were not verified.Fellow: Opus 2 North American Safety Manual, revision FChecked 2026-10-20. Read the original source and its check date before relying on this value. |
Cup and portafilter transferDocumented dosing-cup size or portafilter transfer compatibility. Cup transfer and direct grinding into a portafilter are separate workflows. Check the basket, rim, adapter and support arrangement. | Espresso cup transfer for 54 mm and 58 mm portafilters.Source · 2026-10-20Fellow: Opus 2 Get to Know You Guide, revision DChecked 2026-10-20. Read the original source and its check date before relying on this value. |
Grounds clearing and static featuresDocumented hardware intended to move grounds or manage static. Bellows, ionizers and anti-retention names do not establish measured retention or eliminate every trace of old coffee. Follow revision-specific cleaning instructions. | Internal impeller and anti-static design.Source · 2026-10-20Fellow: Opus 2 product specifications and standard packageChecked 2026-10-20. We reviewed the official page text on the check date. Checkout options were not verified. |
| Questions to check before buying | This is Opus 2, not original Opus. Product-page and manual body dimensions conflict, so body fit is not asserted. No controlled sound, taste, grind-distribution or retention measurement is established here. |