The Baby Jogger® Maxi-Cosi / Cybex / BeSafe car seat adapter is the easiest way to use your stroller into a customized travel system to use from birth. Simply remove the canopy to attach the infant car seat model to your City Mini® 2 Double or City Mini® GT2 Double stroller. May be used to attach one infant car seat per stroller. Compatible only with the Maxi-Cosi, Cybex and BeSafe infant car seat models.