These are the qualities I think all good trout reels should have: durability, smooth drag, large arbor, counterbalance and a sweet sound. There are also a couple of extra things that tight liners and euro nymphers need in a reel. We need a full cage design with easy, reliable spool removal. Here’s an article that gets into all of that and more. And here’s why I really like the Sage Trout fly reel.