the types of Real Renault roof racks that fit on the "Special Roof Strips" (as found on
) fit exactly the same on the ones with rubber strips. You just have to twist the rubber strip up round the roof rack mounting. it is quite painless and has never caused me any problems.
Just make sure they include the Torx Key to tighten the bars or you will have to buy a T40 Torx Bit. (i speak from experience here