Quinny Accessory adaptor set, usable for Quinny pushchair Zapp Xtra & Zapp Xtra 2, can be combined with almost all Maxi-Cosi baby carriers : Amazon.de: Baby Products
Quinny Zapp Xtra Adapter for Parasol in Black | eBay
Quinny 96560091 Adapter für Zapp Xtra 2 Maxi-cosi Babyschale for sale online | eBay
$299 Set of Quinny Zapp Xtra Stroller + Maxi Cosi CabrioFix Car Seat set with adapter