The Graef CM 702 grinder has been a favorite home espresso grinder to start off with for the budding home barista, for quite some time now. It offers sturdy construction, it is easy to disassemble for cleaning, and even comes with shimming washers to adjust the grind finer. Add on top of this the economical price, and you have got a winner!
The CM 702 and it’s larger brother the CM 800 are both conical burr grinders. The CM 702 comes in weighing 1.835 kg, so it is on the lighter side. It has a 250 gram bean hopper, 24 grinding settings, and a 128 watt motor.
Pros & Cons
This grinder does allow the new home barista to start grinding fresh, due to its low price, compared to more expensive models. It is also relatively quick to grind, and will fit nicely on most countertops. Most important of course is the espresso or coffee result. With the addition of the shimming washers, it can grind fine enough for espresso, as demonstrated in the video below.
So what about the downsides? Well, this grinder is extremely light, so two hand operation will be necessary. Also, it lacks a declumper, which means that the grounds will need to be declumped via WDT for example. This is a common occurrence with all economical grinders, in our experience.
Grind Finer Hack
In order to grind finer, one just has to install the included shims (washers). This will raise up the lower burr, to create less space between the lower and upper burr.
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