Amazon.com: Stokke Stroller Multi Car Seat Adapter, Black - Compatible with Select Maxi COSI, Nuna, Cybex & Clek Car Seats - for Stokke Trailz Terrain, Xplory 6 & Xplory X Strollers -
Ergobaby Metro+ Car Seat Adapter for Cybex/Nuna/BeSafe/Maxi Cosi - Bambi Baby Store