Fellow Opus All-Purpose Conical Burr Grinder
Fellow Opus All-Purpose Conical Burr Grinder
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Overview
The Fellow Opus is a compact all-purpose conical burr coffee grinder that aims to make the profession of home-barista more affordable than ever. At just 8.3 inches wide and 10.6 inches tall, the grinder is incredibly compact and features Fellow’s trademark austere aesthetic with minimal interface elements. With simple push-and-play operation and accessories for brewed coffee and espresso the Opus is ready for action right out of the box.
Features and Performance
Unlike Fellow’s other grinders in the Ode series, the Opus uses a set of C6-40 Burly Burrs™ that turn at 350 RPM. The grinder features 41 stepped adjustments, but also allows for further refinement of your grind with a micro adjustment ring located inside the grinder around the circumference of the bottom burr. Grind range goes all the way from cold brew coarse to espresso fine (<200 microns) making the Opus suitable for all brew methods. Higher numbers indicate a coarser grind and lower vice versa. For easy reference, recommended grinding ranges by method are listed on the underside of the bean hopper lid.
Designed for single-dosing, the Opus uses a simple system of timed-grinding with 1, 2, and 3 presses of the start button giving you 30, 60, and 90 seconds of grinding respectively and a max of 2 minutes by pressing and holding the button. The Opus also features a built-in auto shutoff that stops the motor once all of the coffee has been ground regardless of the time remaining. For easy dosing, the hopper lid is designed for volumetric dosing and the Opus can be loaded with up to 110g of coffee for a single grinding cycle. The Opus also features anti-static construction to eliminate mess and further reduce coffee retention.
Finishing touches include the variable grounds catch bin which features a shaped inner wall that forms a spout for easy pouring and a portafilter attachment for traditional grind and flip dosing. The base also attaches magnetically to the base beneath the grinds chute which feels both secure and satisfying. For maintenance, the bean hopper twists off with ease and a collapsible handle allows the top burr to be removed in seconds with no screws or assemblies to contend with.
Why You Should Get It
Fellow is helping to redefine entry-level grinding with the Opus by combining performance with a very low barrier to entry pricewise. Compact and incredibly simple to operate, this is an easy grinder to integrate into your routine and your kitchen. If you’re brewing on a budget or new to specialty coffee or single-dosing the Opus is a great choice and its wide range of grinds and precision adjustments will keep pace as you refine your technique.
Shipping & Delivery
Shipping & Delivery
We offer free UK delivery on every order, with tracking provided once your order is on its way. Delivery times vary depending on the machine and your location. Larger treadmills ship on a pallet or two-person service, and the carrier will contact you to arrange a convenient delivery date.
Tonava Quality Promise
Tonava Quality Promise
Every treadmill we sell is brand-new and boxed, supplied with the manufacturer's warranty. We stock trusted names across walking pads, folding treadmills, home running machines, commercial treadmills and curved trainers, so you can buy with complete confidence.
Warranty & Support
Warranty & Support
All machines are covered by the manufacturer's warranty. Need help before or after your purchase? Our support team can help you choose the right treadmill for your space, and assist with order updates, assembly questions and returns. Email support@tonava.com and we'll get back to you.
FAQs
FAQs
What does Tonava sell?
Treadmills and home cardio equipment: under-desk walking pads, folding treadmills, home running machines, commercial gym treadmills, curved manual treadmills and treadmill accessories. Every machine is brand-new from a trusted brand.
Which treadmill should I choose?
Walking pads suit walking and light jogging in a small space. Folding treadmills give a full running deck that packs away. Home treadmills add larger decks, stronger motors and incline training. Commercial treadmills are built for constant daily use. Curved treadmills are self-powered and favoured for sprint and interval work. Email us if you'd like help deciding.
Where do you deliver?
We deliver across the United Kingdom.
How much does delivery cost?
Delivery is free on every order, with tracking. Larger treadmills ship on a pallet or two-person service and the carrier will arrange a date with you.
Does it arrive assembled?
Most walking pads are ready to use out of the box. Larger treadmills need light assembly, such as fitting the uprights and console, and arrive with instructions and the tools required.
Are your products brand-new?
Yes. Every machine is brand-new and supplied with the manufacturer's warranty.
Can I return it?
Yes, within 30 days of delivery. Please keep the original packaging where possible, as treadmills are heavy and awkward to ship without it. Email support@tonava.com with your order number to start a return. See our Refund Policy for full details.
What if it arrives damaged?
Contact support@tonava.com as soon as possible with your order number, photos of the machine and packaging, and a short description, and we'll put it right.

Why runners choose Tonava
Fast, tracked delivery on every order.
Genuine products backed by the manufacturer's warranty.
Changed your mind? Return within 30 days of delivery.
Questions before or after you buy? Email support@tonava.com.