all eBoost equipped Born (58kWh as well as 77kWh batterie) are provided with 340 x 27 disks on front axel.
They are also provided with 19" rims on stock.
But not sure, if they really need 19" rims, because 340 x 27 disks are also part of ID.4 / skoda enyaq and these were provided with 18" steel rims, when they have small batterie
We haved disscussed this iteam in german in this threat: