Amazon.com: Baby Jogger | Maxi COSI, Be Safe, Cybex Car Seat Adapter | Compatible with City Mini 2 Double Stroller, City Mini GT2 Double Stroller, Black (Adapter only) : Baby
Amazon.com : Joovy Twin Roo+ Car Seat Stroller with Chicco Adapters, Holds Two Car Seats, Stroller Frame : Baby
The Terra Double Car Seat Adapter – Zoe
cosmopolitan universal car seat adaptor | car seat adaptor | Mountain Buggy®