Originally Posted by garden_lark
another vote for on the plane. some airlines take way more than 20kg... have you already booked your flight? pack your clothes into small plastic bags and stuff them around your bike, so you only have one piece of luggage.
May not be a good idea, as single items are meant to weigh less than 32kg.
Best to check with the airline. If they have an underbooked flight the excess luggage might not be an issue.