Baby Jogger Double Maxi Cosi Car Seat Adaptors The Baby Jogger® Maxi Cosi®/Be Safe®/Cybex® Car Seat Adapter is an easy way to use your pushchair from birth. Simply remove the canopy to attach select Maxi Cosi®, Be Safe® and Cybex® infant car seat models to a City Mini® 2 Double or City Mini® GT2 Double. May be used to attach one infant car seat per pushchair. Maxi Cosi® compatibility: Cabriofix, Pebble, Pebble Plus i-Size, Rock BeSafe® compatibility: iZi GO Modular i-Size Cybex® compatibility: Aton, Aton 3s, Aton 5, Aton M, Aton M i-Size, Aton Q+, Aton Q i-Size, Cloud Q