The wingbar is 8.2 cm wide

According to thule.com it fits on the Ioniq 5 5-door 2021-. It needs a total of: Thule Wingbar Evo 135 cm roof bar 2-pack aluminium | 711400 Thule Evo Clamp foot for vehicles 4-pack black | 710500 Thule Kit 145301

Using the Thule search system, other models seem to be compatible (WingBar Edge, SquareBar Evo,...): https://www.thule.com/fr-ch/roof-rack/car-roof-racks If necessary, the safest thing to do is to contact the brand's support: https://support.thule.com/s/?language=fr

According to our product experts, it should be this article : https://www.galaxus.ch/en/s4/product/thule-fixpoint-7005-roof-rack-accessories-17947881.

There are only the carriers in the pack. Therefore, you actually need the foot kit package as well.

Yes kit required to adapt the legs to the shape of the roof