Atom Speciality 65

I also have a Micra and use it with a Eureka Atom 65 GBW and really love it (coming from a Eureka Specialita). Great consistency of grind and very accurate dosing. And of course, built like a tank and mine came with a short hopper. Definitely recommend at least checking it out.

Opus is a single dose grinder, and is not NSF certified. For your cart, you don't want to be weighing out each dose. You need a grinder that can grind-by-time or grind-by-weight that has a large hopper. Eureka Atom 65 is a popular choice for small coffee carts.

Does it have to be a single dose grinder? I see everyone is going that route since you are coming from the Niche and were considering other single dosing ones, but with that kind of budget you could get some nice grinder with grind by weight integration and a little 250gr hopper... On my side going

A Mignon gbw sounds good for your needs if you want to use a hopper. For single-dosing, a Niche Zero would be pretty good. Stretch the budget a little bit and you can get a time-based Eureka Atom 65 (I think the consistency dose is good enough) or, a bit further (or if you can find one used), an Ato

Almost went with mahlkonig but ultimately decided to go with a Eureka Atom 65 grind by weight and it was the best decision I ever made