Yes, you can technically fly with the Onehweel Pint. The battery of the Pint is 147 Wh, less than the limits set by the FAA of <160 Wh. You need to declare it and must be carried as carry-oncarry-onThe IATA guideline at one time stated: Cabin baggage should have a maximum length of 56 cm (22 inches), width of 45 cm (18 inches) and depth of 25 cm (10 inches) including all handles, side pockets, wheels etc.https://en.wikipedia.org › wiki › Hand_luggageHand luggage - Wikipedia baggage. Keep in mind that the airline and TSA still have the right to deny you from flying with your Onewheel.