Shimano Thunnus CI4 Saltwater

$289.99 - $319.99
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  • Shimano Thunnus CI4 Saltwater Spinning Reel
  • Models (4): 4000, 6000, 8000 and 12000
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Saltwater Spinning Reel

The Shimano Thunnus Spinning Reel is a saltwater spinning reel that is designed to withstand the battle against big fish. The Thunnus Spinning Reel, from Shimano Fishing, offers a lightweight reel with 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 Shimano's Bicycle division using Carbon materials in high impact situations. Thunnus CI4 was created in response to all the anglers out there who loved the ease of use and functionality, but wanted the reel to shed some weight. Thunnus CI4 is up to 7 ounces lighter than its predecessor without sacrificing any power. 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. We offer the Shimano Thunnus Saltwater Spinning Reel in four sizes: 4000, 6000, 8000 and 12000. For more detailed information on each model please consult the technical specs tab.

Shimano Thunnus Spinning Reel Features

  • Lightweight CI4 Frame and Rotor (AL on 12000)
  • Aluminum Sideplate
  • Paladin Gear Durability Enhancement
  • Propulsion Line Management System: Propulsion Spool Lip, SR One-Piece Bail Wire, Power Roller III. Redesigned Bail Trip, S-Arm Cam
  • Varispeed Oscillation
  • S-Concept, S-Rotor, S-Arm Cam, Direct Drive Mechanism (Thread-In Handle Attachment), Oversized Septon Grips for Power and Comfort, WP Drag (Waterproof Drag)
  • Machined Aluminum Handle
  • Dartainium II Drag Washers (Cross Carbon)
  • Repairable Clicker
  • S A-RB (Shielded A-RB) Ball Bearings
  • Super Stopper II Anti-Reverse
  • Dyna-Balance
  • Floating Shaft
  • Fluidrive II Gearing
  • Approved for use in Saltwater
  • Rated for use with Mono, Fluorocarbon and PowerPro lines
Model Line Per Crank (in.) Line Capacity (# Test/Yards) Power Pro Line Capacity (# Test/Yards) Max Drag (lbs.) Gear Ratio Grip Shape Weight
TU4000CI4 30 8/240, 10/200, 12/160 15/270, 20/190, 40/145 15 4.8 Small Egg 12.7
TU6000CI4 35 10/300, 12/265, 16/170, 20/120 30/245, 50/210, 65/130 20 4.8 Small Egg 18
TU8000CI4 36 14/295, 17/250, 20/195 40/295, 50/290, 65/180 20 4.8 Small Egg 19.4
TU12000CI4 37 12/550,16/350,20/265 50/505,65/310,80/230 25 4.4 Large Egg 27.7

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DHEP) and lead, which are known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information, go to