Which preposition to use with rotis

in Occurrences 1%

Illémet autem dominus Canis per illum modum vadit; Sedet in curru cum duabus rotis in quo facta est pulcherrima sella tota de lignis Aloe, et auro ornata, et margaritis maximis, et lapidibus pretiosis; et 4.

Which preposition to use with  rotis