Quite possibly, either 16mm or 17mm tape will suffice with these being narrow rims at 559mm x 17mm. If it's similar to my 317s, the inner width of the rim were the tape fits is 17mm. The outer rim width is probably around 21mm or 22mm.
The 17mm tape weighs in at around 15 grams, depending on how much is used. The 22mm will incur an extra 3 grams or so. Also, for the inner width, the clue is in the title – Mavic 217...