Last week, we looked at the worry spots for the San Francisco 49ers. This week, we take a more positive spin.What position do you think is the team's biggest area of strength?This is a loaded roster, so there are many contending positions. Take our poll and explain your thoughts for your choice in the comment section below. And if you think there's a position of strength that we have omitted from our poll, let's hear which one it is in the comments.