Online forums are great places to learn more from fellow Riese & Müller riders. Check out Electric Bike Review’s Riese & Müller Forum Electric Bike Review Forum.
Facebook is also a great place to participate and learn from different communities of Riese & Müller owners. The following Facebook Groups are a great place to start:
Reise and Müller Owners Group, Riese & Müller cargo bikes, and Riese & Müller Supercharger/Charger/Multicharger/Delite & Superdelite User.