The optional Maxi Cosi™/Cybex™ car seat adapter makes it easy to latch in a Maxi Cosi Mico, Maxi Cosi Mico AP, Maxi Cosi Prezi, Nuna Pipa, Cybex Aton, Cybex Aton 2 or Cybex Aton Q car seat to your Bumbleride Indie or Indie 4. (Not compatible with 2016 Indie or Speed).