Engineered for superior uniformity & precision, and purposefully designed to nest inside the AeroPress, the Knock Aergrind provides premium quality grinding in a compact frame that travels exceptionally well.
Featuring 38mm black steel burrs, stepless top dial adjustment, and precision machined unibody casing, Aergrind blends performance and convenience for a seamless coffee brewing experience—wherever you brew.
Nerost black ceramic case hardened 38mm Italmill steel burrs provide excellent grind uniformity with full-range performance, from espresso to French press.
Stepless top dial grind adjustment provides limitless precision, with clear white numbering and improved knurled grip for ultra practical handling.
Full metal body, shaft, adjustment mechanism and lid, all machined in the UK.
Dual ball-bearing mounts for smooth operation.
Includes travel pouch, silicone sleeve and holster for handle, plus a set of spare o-rings (shaft and catch cup).
Handle cutout—designed to showcase your grind setting—doubles as a bottle opener.
Aluminium body; steel burrs, axle, bearings and handle; plastic bearing mounts and pommel.
Dimensions (w. handle mounted): ø1.85" x H5.9" x W5.5" | ø4.7cm x H15cm x W14cm
Dimensions (w. handle stored): ø2" x H6.5" | ø5.2cm x H16.5cm
Designed and hand built in Scotland
Started in 2010 by Peter Kilpatrick and Dr. Uwe Stein, Knock sets out to make simple, beautiful and practical tools to help make coffee better. From their workshop in Portobello, Edinburgh, Knock produces high quality coffee grinders and accessories that are prized worldwide for their consistency, durability and value.
USE & CARE
Regular cleaning will keep your grinder running smoothly and tasting fresh. Simply wipe and/or brush clean with a non-abrasive bristle brush or cloth.
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Season Long Savings
Heading into the Holidays, it's our sincere pleasure to help you treat your loved ones—and yourself—to something special to help make the days a little brighter.