Used to have a Legend Mag and used it for quite a few years. Good bow for it' s day. It should take a 56" string (1993-1994) or 56 3/8" (1990-1992). Cables are 44 5/16" (1993-1994) or 39 5/16" (1990-1992).
http://groups.msn.com/ArcheryRepair/...formation.msnw
Try the above web site. Scroll down the left side they list bows and have the XI.
Good luck.