Size for peak doses, not daily average
A grinder that feels fine mid-morning can choke between 8 and 10. Multiply peak-hour espresso cups by ~18g — that is your minimum grind throughput.
Flat vs conical burrs
- Flat: tighter espresso particle distribution; common in specialty bars.
- Conical: runs cooler under continuous grinding; strong for long peak rushes.
Hopper vs single dosing
A large hopper reduces refills, but beans stale if they sit for hours. Some cafés single-dose for flavour at the cost of speed — decide from your drink mix.
Daily dial-in should be easy
If you change beans or humidity shifts, you need fast micro-adjustments without awkward tools. Test the adjustment ring by hand before you buy.
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