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Shimano Thunnus 4000 CI4 Baitrunner Fishing Reel

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Product Description

Shimano Thunnus 4000 CI4F Reel

Shimano Thunnus fishing reels are the ultimate bait runner style fishing reel that has the power to stop large fish yet is light weight.

Shimano Thunnus reels are constructed using CI4 which is an exclusive material to Shimano that is responsible for a reduction in overall weight yet providing extreme durability in the reels body.

Shimano have gone the extra mile and introduced a new main drag now enabling a more efficient performing bait runner style fishing reel. Paladin gearing also included allows for strong and trouble free gear performance and line propulsion management system allows for extra smooth and better distance casting with less hassles and chances of wind knots.

Baitrunner style fishing reels are often used in situations where one would use live baits to target species such as snapper or mulloway but it doesn’t just stop there, Shimano Thunnus reels are also handy for fishing with dead baits where the fish is allowed to run with the bait for a period of time before you strike.

In terms of quality Shimano Thunnus is the top of the line fishing reel in its class being the most premium baitrunner reel in Shimano’s range.

Features and Specifications

  • Model: Thunnus CI4F 4000 Reel
  • 6+1 Bearings
  • Front Drag and rear baitrunner drag
  • Monofilament fishing line capacity guide: 8lb/240 yards – 10lb/200 yards – 12lb/160 yards
  • Power pro Braid Line capacity guide: 15lb/270 yards - 20lb/190 yards - 40lb/145 yards
  • Gear Ratio: 4.8:1
  • Approx weight: 360 grams
  • Max Drag: 7kg
  • Paladin Gearing
  • Dyna-Balance
  • FluidriveII
  • Propolsion Line Magagement System
  • Super Stopper II
  • SR-Concept
  • Great Saltwater Fishing Reel

Fishing Applications and Fishing Rod Selection Guide

Thunnus 4000 fishing reels make a great light weight application fishing reel to target species such as snapper, jewfish and more in boats offshore or from land inshore from rivers, lakes etc. Once you have decided that the Shimano Thunnus 4000 fishing reel is for you and should you also need a fishing rod, what we would suggest is picking a rod that is somewhere between 6 and 8 foot suitable for boat fishing with a line rating of between 5 and say 10 kg. Or for a more shore based fishing rod you could consider a shorespin style fishing rod up to around 9ft in length.



  • Shimano Thunnus 4000 fishing reels are made from CI4 material making them super durable yet light weight.
  • Paladin gear durability means that you have a much smoother reel for a long time to come as the metals used are far more durable than the standard gear systems in other reels.
  • Propulsion line management system will enable you to cast further with the new lip design and on top of this there is also less chance of backlashes and wind knots forming.
  • Fluidrive II increases the efficiency of your retrieve.

So, if you’re after a bait runner fishing reel that has all the bells and whistles you can’t go past the Shimano Thunnus 4000 CI4F Fishing Reel. Get yours today from here at the fishing tackle shop.

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