Actually there is not. However, once it is set to your taste there is no need to change it with the graphite spine similar to the all graphite necks. I could route out the same access as the newer truss rod Modulus VJ bodies, however I was able to get the neck set quickly and the translucent body is too pretty to cut into. If you want the access route I can easily do it with no trouble with no marks and paint the truss rod cavity black. But with the ease with of the machine Allen head neck bolts and how the neck fits like a glove I opted to leave the body alone. It is a beautiful neck as well as the body and sounds amazing how resonate and lively it sounds. It is a perfect match in my opinion. I really enjoy playing it without using an amp for how loud and full it sounds acoustically.