Arby’s Classic Roast Beef Sandwich Beef Week is back! Arby’s Rewards members can get five Classic Roast Beef Sandwiches for $5. (It’s free to sign up.) Limit 1. Buy Now (0 rating, 0 votes, rated)You need to be a registered member to rate this.Loading... Leave a Reply Cancel replyYou must be logged in to post a comment.