Prometheus noted that the conical burrs in the Niche Zero brought out more fruity, citric, and acidic notes in the espresso compared to the chocolatey and heavier-bodied notes produced by his previous grinder with flat burrs. He stated a personal preference for the flavor profile of the espresso from the Niche Zero.
This video is a review of the Niche Zero coffee grinder. Prometheus tests its performance for espresso and filter coffee, highlighting its key features, including minimal grind retention and ease of use for different brewing methods.