Crew Tip: Rancilio Rocky Doserless Adjustment

Written by Kat
The Espresso Afficionado
Published on Oct 14, 2013
Kat is a passionate coffee enthusiast and seasoned blogger. Read her posts for insights on brew methods, coffee recipes, and machine reviews.
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If you own a Rancilio Rocky doserless coffee grinder, you sometimes might wish you were blessed with as many arms as Blinky is with eyes ... how else do you hold down the adjustment lever, turn the hopper and then also run the grinder when you're making the grind more fine? First off, let's cover why you should do this. Whenever you're adjusting a burr grinder to a finer setting, you're essentially bringing the burrs closer together. If you do that without running the grinder at the same time, you run the risk of compacting coffee beans in the grind chute and even warping or permanently damaging the threads. This is such a costly repair, it really means that you're looking for a replacement grinder. To avoid such horror, you need to run the grinder as you bring the burrs closer together. On the Rocky model that includes a doser chamber, this is easier, as you have an on / off button to use. The Rocky without a doser, however, simply has a rocker switch that must always be engaged in order to grind. So how do you manage all three at once? Watch Teri as she demonstrates her trick for adjusting the Rocky doserless more finely when you've only got your own hands to spare!

SCG Crew Tip: Rancilio Rocky Doserless Adjustment

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J Johanna Quartel
Apr 23, 2026

My grinder tech adjusted my Rocky so that I could turn it on and off without having to use 3 hands. No need to use the rocker switch; this entailed removing a cable inside the grinder and rewiring—a simple process. Works great, and I’m so happy! I use a French press carafe to capture the grinds after weighing the exact amount of beans for use in my Bambino Plus, so it would be impossible to use the rocker switch. No guessing about quantity while grinding, and beans always stored in Airscape to retain freshness.