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Fellow Opus 2 Conical Burr Coffee Grinder — 48 mm Burrs, Stepless Dial, Espresso to Cold Brew
48 mm stainless conical burrs Stepless grind dial

Official product photos: Fellow · source More photos on Amazon

Best all-purpose burr grinder Fellow · Coffee Machines

Fellow Opus 2 Conical Burr Coffee Grinder — 48 mm Burrs, Stepless Dial, Espresso to Cold Brew

One compact grinder for espresso, pour-over and French press — with a stepless dial and two magnetic catch cups.

RightScore Score pending
Best for Coffee Everyday use Small kitchens Beginners

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  • 48 mm stainless conical burrs
  • Stepless grind dial
  • Espresso and brewed-coffee catch cups

At a glance

Our verdict

—

If you want one grinder that handles both espresso and filter coffee without taking over the counter, the Opus 2 is a smart, versatile pick. The trade-off: it is a single-dose design with a 100 g load bin rather than a big hopper,...

RightScore appears once live prices from licensed store feeds are connected — we never guess a number.

Read the full verdict

300 W

Power

5.1 lb

Weight

24 months

Warranty

Best for

  • Coffee
  • Everyday use
  • Small kitchens
  • Beginners

Best thing: Covers espresso through cold brew

Honest catch: Single-dose load bin (100 g) — no large hopper

Our verdict

If you want one grinder that handles both espresso and filter coffee without taking over the counter, the Opus 2 is a smart, versatile pick. The trade-off: it is a single-dose design with a 100 g load bin rather than a big hopper, and dedicated filter grinders with large flat burrs, like Fellow's own Ode, aim even higher for pour-over.
RightDeals research · checked 11 Oct 2026
Most households drink more than one kind of coffee, and the Opus 2 is built for exactly that. Fellow upgraded it to 48 mm stainless steel conical burrs (up from 40 mm on the original Opus) and a stepless side dial for fine espresso adjustments, while still covering pour-over, drip, AeroPress, French press and cold brew. It comes with two magnetic catch cups — 100 g for brewed coffee and 30 g for espresso, with a dosing cup that fits 54 mm and 58 mm portafilters — and an ionizer plus internal impeller to keep static and retention low.

Why you’ll like it

  1. 01

    One grinder for every brew: espresso, pour-over, drip, AeroPress, French press and cold brew.

  2. 02

    Dial in espresso precisely with the stepless side dial instead of fixed clicks.

  3. 03

    Fast and tidy: Fellow quotes about 9 seconds for an espresso dose, with an ionizer and near-zero retention.

  4. 04

    Grind straight into a 54 mm or 58 mm portafilter with the included espresso dosing cup.

Great for

  • Home espresso makers who also brew filter coffee
  • Small kitchens that have room for only one grinder

Maybe skip it if

  • You only brew pour-over and want the most even filter grind possible

Where it shines

How well it suits each use, based on its specifications.

  • Coffee Great
  • Everyday use Great
  • Small kitchens Great
  • Beginners Good

Pros & cons

Pros

  • Covers espresso through cold brew
  • Compact footprint (8.1 x 5.1 in)
  • Tool-free burr access for cleaning
  • 2-year standard warranty

Cons

  • Single-dose load bin (100 g) — no large hopper
  • Plastic body; the premium wood-accent dial is only on some colors

Based on the maker’s specifications and published information — every point is checked against a named source.

Where to buy

Stores we link to in US. We show a price only when it is live.

Prices for United States in USD
Amazon

Amazon

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More stores and live prices are added automatically as we connect store feeds.

Specifications

General

Warranty
24 months

Design

Load bin capacity
100 g

Dimensions

Dimensions
8.1 x 5.1 x 10.5 in

Features

Grind adjustment
Stepless side dial
Catch cups
100 g brew cup, 30 g espresso cup (54/58 mm portafilters)
Anti-static
Integrated ionizer

Performance

Burrs
48 mm stainless steel conical burrs

Size & weight

Weight
5.1 lb

Power

Power
300 W

Source: RightDeals research · verified 2026-10-11

Our score is on its way

We publish it only once enough real data is in — see how we rank products.

How We Rank Products

What buyers say

We only show star ratings we are licensed to display. Read verified buyer reviews and photos directly on Amazon.

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Questions people ask

What changed from the original Opus?

Fellow lists larger 48 mm burrs (vs. 40 mm), faster grinding, an upgraded ionizer, a stepless dial and two dedicated catch cups.

Will it fit my espresso machine's portafilter?

The included espresso dosing cup fits 54 mm and 58 mm portafilters, which covers most home machines.

Sources & method

Researched from the maker’s specifications, the store listing and published information — not lab-tested. We never accept payment for a recommendation.

How We Rank Products · Editorial policy

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