The optional Peg Perego™ car seat adapter makes it easy to latch in a Peg Perego Primo Viaggio 4-35 NIDO or 4-35 infant car seat to your 2016 - 2020 Bumbleride Era, Indie or Speed stroller. Seat fabric removal is not required for use, just an option. This adapter is not compatible with 2015 or prior models. Not compatible with Indie Twin.