It’s light weight and has the power to stop big fish. Thunnus takes a page from our bicycle divi-sion using carbon materials in high impact situations. Thunnus CI4 is up to 7 ounces lighter than its predecessor without sacrificing any power. Thanks to super smooth main and baitrunner drag, Thunnus CI4 is the most efficient live bait spinning reel on the market with unmatched adjustabili-ty for fishing any bait in any condition.