Why not wheel it through the airport unfolded? I've never had any issue wheeling a bike through an airport. For the OP, I don't see much of an issue needing the 'roll while folded' feature unless he plans to take the bike through stores often. The SF transit systems such as BART and the ferry services usually let you wheel bikes right on and even when BART restricts you to folding bikes during commute hours the bike only needs to be folded when on the train and the platform of a few downtown stations - so there's no need to carry the folded bike for long distances.