KNODOS 54mm Walnut Bottomless Portafilter for Breville — 3-Ear, 18–21g Basket Included

KNODOS 54mm Bottomless Portafilter for Breville — Walnut Handle

The best-selling KNODOS portafilter, and the upgrade most Breville owners make first. A 54mm naked portafilter with the correct 3-ear lugs, a solid walnut handle, and an 18–21g double shot basket. It removes the stock spout and gives you a clear view of the entire extraction — from first drop to last. If you want to know what your espresso actually looks like before it hits the cup, this is the tool that shows you.

The Most Common Breville Upgrade

The portafilter that ships with your Breville has a spout that divides and hides the espresso flow. You pour, you hope, you taste. A bottomless portafilter flips that process — you see the extraction happen, identify problems while they are still in the cup, and adjust before the next shot. Channeling, uneven flow, and distribution issues that take weeks to notice with a spouted portafilter become obvious on the first shot with a naked one.

3-Ear Lugs for Breville 54mm Machines

This portafilter uses Breville's specific 3-ear locking design. It fits all Breville and Sage machines with 54mm group heads — Barista Express, Barista Pro, Barista Touch, Bambino Plus, Infuser, and Duo Temp Pro. Quarter turn to lock, flush against the gasket. Does not fit the Dual Boiler or Oracle (those are 58mm with 2-ear lugs) or the original Bambino (pressurized system).

18–21g Double Shot Basket

Comes with a stainless steel double shot basket for 18 to 21 grams of ground coffee. This is the dose most home espresso recipes call for. The basket lifts out for cleaning and can be replaced with any standard 54mm aftermarket basket.

Walnut Handle

Walnut is the most popular handle choice across the entire KNODOS product range — and for good reason. The warm brown grain matches Breville's brushed stainless steel finish better than any other wood option. It is lighter than rosewood but denser than maple, sitting in the middle of the weight range for a balanced, natural feel. The wood is moisture-resistant, ages well, and matches other KNODOS walnut accessories if you are building a coordinated espresso setup.

Stainless Steel Construction

The portafilter body is food-grade stainless steel — built for heat, pressure, and daily cleaning without corrosion or warping. Dishwasher-safe when you need a deep clean.

What's Included

• 1x KNODOS 54mm Bottomless Portafilter (3-ear, Walnut Handle)

• 1x 18–21g Double Shot Filter Basket

Breville Compatibility

Fits all Breville and Sage machines with 54mm portafilters: Barista Express (BES870), Barista Pro (BES878), Barista Touch (BES880), Bambino Plus (BES500), Infuser (BES840), Duo Temp Pro (BES810). Does not fit Dual Boiler, Oracle, or the original Bambino.

Frequently Asked Questions

Why is this the most popular KNODOS portafilter for Breville?

Three reasons: walnut matches the Breville finish, the 3-ear design fits perfectly, and the price-to-quality ratio is strong. Most Breville owners start with the walnut portafilter and build their accessory set from there.

I am new to espresso — is a bottomless portafilter hard to use?

It works exactly like the stock portafilter — lock it in and pull a shot. The only difference is that you see the extraction from below. Some shots may spray or channel, especially early on, but that is not the portafilter causing the problem — it is showing you a problem that was always there. Most users find their shot quality improves within a few days of switching.

Does this fit the Breville Barista Express?

Yes. The Barista Express uses a 54mm group head with 3-ear lugs. This portafilter is designed for that exact machine.

Can I use this with the Breville single wall basket?

Yes. Any standard 54mm non-pressurized basket works with this portafilter, including Breville's own single wall baskets. Do not use pressurized (dual wall) baskets — those require a spouted portafilter.

Does the walnut handle match KNODOS walnut tampers and stations?

Yes. All KNODOS walnut accessories use the same wood with a consistent tone and grain. Portafilter, tamper, distributor, and tamping station look like a matched set on the counter.

What is the difference between 54mm and 58mm Breville portafilters?

Breville's 54mm machines (Barista Express, Pro, Touch, Bambino Plus, Infuser) use 3-ear lugs. Breville's 58mm machines (Dual Boiler, Oracle) use 2-ear lugs. They are completely different sizes and are not interchangeable.