Espresso Basket & Machine Size Guide
Normcore portafilter baskets and accessories are made in a few standard diameters. Use this guide to find the right size for your machine before ordering — if you're not sure, check your machine's manual for the basket/group head diameter, or contact us and we'll help you match it.
| Basket Diameter | Commonly Fits | Typical Dose Range |
|---|---|---|
| 51mm | DeLonghi dedicated-portafilter machines | ~18g |
| 54mm | Breville / Sage (Barista Express, Barista Pro, Bambino Plus, Oracle, and similar 54mm-group models) | ~18–20g |
| 57mm / 57.5mm | Select hybrid and step-down basket kits — check your specific product page for exact fit | Varies by kit |
| 58mm | E61 groups, most commercial/prosumer machines, Gaggia, and La Marzocco | ~18–22g |
| 45.5mm / 49mm | Reduced-flow step-down baskets, used as adapters on 54mm/58mm portafilters for manual and lever machines | Varies by kit |
How to check your machine
- Remove your portafilter basket and measure the diameter across the top rim.
- Match that measurement to the closest size in the table above.
- Check the specific product page — most Normcore baskets, portafilters, and puck screens list exact compatible machine brands in the size/variant selector.
Still not sure? Reach out to us at hello@normcorewares.com with your machine's brand and model, and we'll confirm the right size before you order.