Shimano Thunnus CI4 TU8000CI4


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Line Retrieve Per Crank (in): 36
Mono Line Capacity (# Test/yd): 14/295, 17/250, 20/195
Braid Line Capacity (# Test/yd): 40/295, 50/290, 65/180
Max Drag (lb): 20
S SUS Bearings: 6
Roller Clutch: 1
Gear Ratio: 4.8
Grip Shape: Small Egg
Weight (oz): 19.4



Lightweight and the power to stop big fish. Not a sentence you are used to hearing! Seemingly against the laws of nature. Thunnus takes a page from our Bicycle division using Carbon materials in high impact situations. Thunnus CI4 is a response to all the anglers out there in love with the ease of use and functionality that wanted the reel to shed some weight. Thunnus CI4 is up to 7 ounces lighter than its predecessor without sacrificing any power. Quite the opposite!! Due to new drag systems for the Main Drag and the Baitrunner drag Thunnus CI4 is the most efficient live bait spinning reel on the market with unmatched adjustability for fishing any bait in any condition as well as the smooth stopping power that this generation of Thunnus will be known for.

Features of the Shimano Thunnus CI4 reels include:

  • 6+1 Bearings
  • 7-27.7 Weight Range (oz)
  • Retrieve Range 30-37 (in)
  • Front & Rear Baitrunner Drag
  • 15-25 (lb) Drag Power Range

Additional information


None, Mono 8, Mono 10, Mono 12, Mono 15, Mono 20, Mono 25, Mono 30, Mono 40, Mono 50, Mono 60, Mono 80, Mono 100, Braid 50, Braid 65, Braid 80, Braid 100, Braid 135