Bought "incorrect" replacement parts for my breville barista express's grinder... They work perfectly (details in comments) : r/espresso
Amazon.com: Impresa Grinder Impeller for Breville Grinder BCG800XL Smart Grinder Pro & More - Fix Jams in Your Coffee Maker with Burr Grinder - Impresa Impeller Replacement Breville Grinder Parts : Home
Amazon.com: Breville .BES870XL/06.8 Upper Burr Assembly with Handle: Home & Kitchen
Adjusting burr settings on Breville Barista express grinder : r/espresso
Amazon.com: Single Dose Hopper with Bellow Compatible with Breville Sage Barista Express Pro Touch Espresso Machine Smart Grinder Coffee Grinder Cleaning Tools: Home & Kitchen