Originally Posted by blamp28
If it were me, I would change every two years as a preventative measure and sooner if I detect excessive wear. I prefer to decide when the bike goes under the wrench. When I leave things go, the bike decides and it does not allow for my convenience or schedule.

Ditto...one of the truest comments one can make. I ride about the same milage and every second winter is when I make the change out during a major maintenance. If the cables are in great shape I will transfer them to my beater bike.