StarWave C40 MK4 magnetic powder container with red top and black body shown from above.

StarWave C40 MK4 magnetic powder container in silver with a red lid, designed for easy powder collection.

StarWave C40 MK4 magnetic powder container in various colors and designs for Comandante grinders.

StarWave C40 MK4 magnetic powder container specifications and compatibility details for Comandante C40 models.

Load a picture into the library viewer StarWave C40 MK4 magnetic powder container with red top and black body shown from above.

Load a picture into the library viewer StarWave C40 MK4 magnetic powder container in silver with a red lid, designed for easy powder collection.

Load a picture into the library viewer StarWave C40 MK4 magnetic powder container in various colors and designs for Comandante grinders.

Load a picture into the library viewer StarWave C40 MK4 magnetic powder container specifications and compatibility details for Comandante C40 models.

StarWave® Magnetic Grounds Cup for Comandante C40 MK4

$328.00

STARWAVE · C40 MK4 · MAGNETIC GROUNDS CUP

A fresh take on your daily grind.

The StarWave Magnetic Grounds Cup offers an alternative grounds collection setup for the Comandante C40 MK4. Paired with a dedicated adapter ring, it makes removing the cup and transferring your grounds more convenient. Choose a black or silver finish to complement your grinder.

Small changes. Everyday convenience.

Magnetic connection. Convenient removal.

Used with the dedicated C40 adapter ring, the cup connects magnetically. After grinding, remove the cup and pour your grounds into a dripper or other brewing device.

Black or silver. Make it your own.

Choose understated black or a silver-toned finish to suit your C40. Both can complement wood or coloured bodies, although the appearance of the join varies with the grinder's body diameter.

Keep your grinder. Refresh your setup.

For C40 owners who enjoy their grinder and want a different grounds cup and look. This is a grounds collection accessory, separate from a grind adjustment ring.

Wood vs coloured bodies: how does the fit differ?

Wood-finish models	The supplier's images give an approximate body diameter of 61.5 mm, similar to the adapter ring's stated outer diameter.
Non-wood coloured models	The supplier's images give an approximate body diameter of 60.5 mm. With the 61.5 mm adapter ring installed, the ring projects approximately 0.5 mm beyond the body on each side.

Please check the demonstration images if you prefer a flush join. These are supplier-provided manual measurements; actual dimensions and fit may vary.

Product details

Brand	StarWave®
Product	Magnetic grounds cup / dedicated C40 adapter accessory
Compatibility	Comandante C40 MK4. Compatibility with other models must be confirmed separately.
Finishes shown	Black / silver
Connection	Magnetic cup used with a dedicated adapter ring
Capacity marking	The cup is marked 30g+. Actual capacity varies with the beans or grounds used.
Package contents	Depend on the selected option. Check whether the dedicated C40 adapter ring is included before ordering.
Manufacturer	StarWave aftermarket accessory; not an original Comandante product

C40 adapter ring specifications

Outer diameter	Approx. 61.5 mm
Total height	Approx. 16.7 mm
Exposed height when installed	Approx. 5 mm
Weight	Approx. 37.5 g; approx. 48.9 g including packaging

These specifications apply to the C40 adapter ring only, not the grounds cup or the complete assembly.

Frequently asked questions

Is this an original Comandante accessory?

No. This is a StarWave aftermarket accessory designed for use with the Comandante C40 MK4.

Can I attach the cup directly to my C40?

The magnetic cup requires the matching C40 adapter ring. Check the contents of your selected option and follow the supplier's installation instructions. If your grinder already has other modifications, confirm compatibility before fitting.

Will the ring protrude on a non-wood body?

According to the supplier's images, non-wood bodies measure approximately 60.5 mm across, while the adapter ring measures 61.5 mm. The installed ring therefore projects approximately 0.5 mm on each side. Please check the images before ordering.

Before you order

Check your C40 model, body finish, preferred colour and required accessories. The grinders and handles shown in demonstration images are not included. WhatsApp us with your grinder model or a photo of its underside if you need help checking compatibility.

* Comandante is a trademark of its respective owner and is used here only to identify compatible equipment. This is not an original or authorised Comandante product. Specifications are based on the supplier's images; manual measurements may vary slightly.

FAQ

Excellent

4.9

Based on 328 reviews ›

S L

Oct 2026

Prompt delivery. Good value for quality products

Kwok Julien

The coffee was perfectly grinded for hand drip as per my enquiry, thank you for making my mornings delightful!

Esther Ng

Sep 2026

Efficiency delivery. Nuts are daily roasted, super yummy 😋👍🏻

Ben Hanselmann

Super fast shipping to Germany!!!

K Lui

Fast delivery, good quality, excellent services, highly recommended.

Worth the price, for my daily coffee , will order again 🙏🏻

Catalin Burueana

Extremely good service, fast response and communication (online) from this seller, good prices and fast delivery to the UK even. Very pleased.

Mmonochromee

用心的商戶，推薦！！

Ka Ho Mak

Good taste (including whisky flavor), glad to order it and I’ll purchase again

StarWave® Magnetic Grounds Cup for Comandante C40 MK4

A fresh take on your daily grind.

Small changes. Everyday convenience.

Wood vs coloured bodies: how does the fit differ?

Product details

C40 adapter ring specifications

Frequently asked questions

Customer Reviews

FAQ

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