Indie Twin Car Seat Adapter for Clek / Maxi Cosi / Cybex / Nuna – Single Car Seat: MNCT-21 Create a custom travel system. This optional adapter bar can accept one Clek Liing, Maxi Cosi, Cybex Aton, or Nuna Pipa car seat to be used on the 2016-2024 Indie Twin. This adapter is not compatible with 2015 or prior models due to frame re-design. Seat fabric removal is not required for use, just an option. Note: 2024 strollers come with hot-shoe pre-installed for easier set up. Compatible with: - Clek Liing - Nuna Pipa Lite series and Pipa Aire - Maxi Cosi Mico Series - Cybex Aton Series (This car seat adapter has been tested with the listed car seat models manufactured from 2016 and later.)