LifeFitness Crosstrainers 9500 Rear Drive CTG103198-Up. LifeFitness Crosstrainers 91X, 91Xi, 91XW 91X, 91x-0xxx-01, Serial# XTF100000-UP. LifeFitness Crosstrainers CLSX Integrity CLX, CLSX-0103-02. LifeFitness Crosstrainers 8500 8500, Serial# 100000-100213.
