Can't give specifics at this point, but you shouldn't have a lot of trouble shipping the bike out. I would strongly recommend by air, sea is a lot less reliable in this part of the world. Expect about US$500-800 depending on how much of the paperwork you deal with yourself and how good a deal you can get.
Note that the US carriers generally won't fly a bike anymore, so you'll end up with a local air-freight company. I believe Challenge Air, based in Bogota, flies to Panama and definitely USA. They are very good and don't require a crate, just load the bike on a pallet.
Mr. Alejandro Buitrago S. (speaks perfect English, very helpful)
Challenge Air Cargo, Inc.
Terminal de Carga Internacional
Avenida Eldorado No. 116-87
Apartado Aereo 151171
Work: 413-9484 -9424, -9384, -9404, -5130
Work fax: 413-9364 or 413-5110
Anybody done it recently and has more up-to-date info?
Let us know how you do.
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