Yes, the wings are removeable for transport. This design has the new wing tube technology so each wing half slides on a tube and is held down by two socket head bolts. You can put any servo you want into it, but anything larger than a mini will require some balsa cutting. A couple of slices with an X-acto and then some little ply strips glued to add some thickness for the screws is all you need.
Since there are two elevator servos you will need a "Y" connector or better a computer radio that can handle two separate elevator servos such as the Futaba 9C.