The condition rating is based solely on the condition of the shaft and does not correspond to the condition of the grip. The grip could be labeled as a "Demo" grip and the condition may vary from good condition to worn. In some cases, the grip may be in need of replacement.
I replaced my Taylormade original R1 shaft with the Matrix OZIK 59x4 White Tie senior shaft and I love the response and control it provides. I recommend it.