| Car seat | Compatible? | Adapter | Notes |
|---|---|---|---|
| Britax B-Safe Gen2 | adapter | Britax Click & Go adapter (included) | B-Free accepts B-Safe Gen2 via the Britax Click & Go adapter (included with the B-Free + B-Safe Gen2 FlexFit+ travel system). |
| Britax Endeavours | adapter | Britax Click & Go adapter (included) | Britax Endeavours attaches to B-Free via the Britax Click & Go adapter. |
| Cybex Aton | adapter | Britax Infant Car Seat Adapter (Maxi-Cosi/Cybex/Nuna) | Cybex Aton infant seats fit the B-Free using Britax's infant car seat adapter for Maxi-Cosi/Cybex/Nuna. |
| Maxi-Cosi Mico XP | adapter | Britax Infant Car Seat Adapter (Maxi-Cosi/Cybex/Nuna) | Maxi-Cosi infant seats fit the B-Free using Britax's infant car seat adapter for Maxi-Cosi/Cybex/Nuna. |
| Nuna PIPA RX | adapter | Britax Infant Car Seat Adapter (Maxi-Cosi/Cybex/Nuna) | Nuna PIPA infant seats fit the B-Free using Britax's infant car seat adapter for Maxi-Cosi/Cybex/Nuna. |
See also: CarSeatChecker · All Britax