Used on the following models:

Life Fitness
91XW - 91XW-0100-01
CLSX Classic (CLX) - CLSX-0000-01
91X-XXXX-01 (XTF) - 91X-0000-01
CLSX Classic (CLX) - CLSX-0100-01
91X-XXXX-01 (XTF) - 91X-0004-01
CLSX Classic (CLX) - CLSX-0103-01
91X-XXXX-01 (XTF) - 91X-0006-01
CLSX Classic (CLX) - CLSX-0300-01
91X-XXXX-01 (XTF) - 91X-0007-01
Club Series (CSX) - CSX-0000-01
91X-XXXX-01 (XTF) - 91X-0100-01
Club Series (CSX) - CSX-0101-01
91X-XXXX-01 (XTF) - 91X-0103-01
Club Series (CSX) - CSX-0102-01
91X-XXXX-02 (XTN) - 91X-0000-02
Club Series (CSX) - CSX-0104-01
91X-XXXX-02 (XTN) - 91X-0004-02
Club Series (CSX) - CSX-0201-01
91X-XXXX-02 (XTN) - 91X-0007-02
X9 - X9-0000-04
91X-XXXX-02 (XTN) - 91X-0100-02
X9 - X9-0100-04
91X-XXXX-02 (XTN) - 91X-0103-02
91X-XXXX-02 (XTN) - 91X-0300-02
91XS - 91XS-0109-02
91XW - 91XW-0000-01