Amazon.com: Silver Cross Wave Upper Main Car Seat Adapters - Quickly and Easily Attachable Adapters Compatible with Wave Stroller - Infant Car Seat Adapter for Nuna, Cybex, and Maxi COSI Car Seats :
Bugaboo Donkey Adapter for Maxi Cosi, Nuna & Cybex Car Seats – Swaddles Baby
UPPAbaby MINU Car Seat Adapters (Maxi-Cosi, Nuna, Cybex & BeSafe) | Babylist Shop
Car Seat Adapters (Maxi-Cosi®, Nuna®, Cybex and BeSafe®) | UPPAbaby - AE