Bugaboo Carseat Adapter - Cameleon and Frog - Maxi Cosi Description
"Thanks to the Bugaboo adapters, various car seats brands can simply be placed onto the chassis of the Cameleon or Frog stroller. Adapts To: Graco car seat adapters work with SnugRide 22 and SafeSeat (Step 1) Infant Seats Maxi Cosi adapters work with the Mico Infant Seat Peg Perego adapters work with the Primo Viaggio and Primo Viaggio SIP made in 2007 and later"
Bugaboo Carseat Adapter - Cameleon and Frog - Maxi Cosi