I have revan armour set and I like wearing it I cannot get a answer anywhere please tell me all current armour off Cartel market isn’t being made useless and I can still wear my gear in 7.0 and rank that up and not being forced to wear the new stuff?

you will no longer be able to upgrade the Armoring, mod or enhancements of your revan armor set. Gear will not be moddable in 7.0.

 

however you can use the outfit designer to change the appearance of the new gear to whatever set you want it to look like; including the revan set.