Silver Cross Coast / Wave Universal Car Seat Adaptors These adaptors are used to fit your car seat to the Silver Cross Coast / Wave pushchair. Simply attach the car seat adaptors to the chassis, to connect your Universal Compatible car seat. It quickly and easily forms a secure travel system. Note: There are two types of adaptor sets, choose the correct one or both if required: Upper Main - for use on the main upper position on the Coast / Wave chassis. Lower Tandem - for use on the lower tandem position on the Coast / Wave chassis. Compatible car seats include: Maxi Cosi - Cabrio Fix, pebble, Pebble Plus, Rock BeSafe – iZiGo, iZiGo Modular Kiddy – Evo Lunafix, Evolution Pro 2, Evoluna i-Size Cybex – Aton Q, Aton M, Cloud Q, Cloud Z Joie – iGemm Nuna – Pipa Recaro – Privia Avionaut - Infant car seat Noordi – Group 0+ Infant Car Seat