It is the 3rd most important piece of technology in making great coffee. All our portafilter baskets have precisely calibrated holes to provide a gorgeous mouthfeel and fantastic crema. A microscopical inspection ensures that they're all perfect. The baskets fit most standard 58mm portafilters.

The ridge firmly holds the basket in, in conjunction with the retaining spring built into the portafilter. If you often take your basket out, you might be better served with a ridgeless basket. Ridged baskets are the industry standard.

The ridgeless option means that the spring holds the basket less tightly in, so that it's easier to take the basket in and out of the portafilter. Ridgeless baskets make slightly better espresso because untamped coffee grounds can't get caught in the ridge. However, this idea is new and non-traditional, and there is a risk the basket will fall out when you knock the puck out. If you rarely take your basket out, you might be better served with a traditional ridged basket.

This part sits on top of your coffee puck, holding it in place and letting hot water evenly flow onto the coffee bed.