Neuser Basses Huvilarinne 9a 02730 Espoo FINLAND NEUSER FRETLESS SYSTEM BY ABM Tel:+358-9-599 615 Fax:+358-9-593 322 E-mail: basses@neuserbasses.com The distance between the 12 th fret and the bridge have to be: Upper side of the body 4-string bass 490 mm 5-string bass 492 mm 6-string bass 492 mm Lower side of the body 4-string bass 487 mm 5-string bass 487 mm 6-string bass 487 mm As shown in the picture above, the size of your bass body have to be at least so long that there is enough place ( minimum distances above ) on the bass body, for to install the NFS-Bridge. If the minimum requirements are fulfilled then your bass is compatible with the NFS-Bridge. In case your bass is not compatible with the NFS bridge you can purchase a Neuser Bass with the NFS-Bridge with the original factory setup.