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RIO Tropical GT Fly Line


RIO’s Tropical GT is designed specifically for the demands of the GT fly fisher. The short, heavy head easily loads powerful saltwater fly rods, and the aggressive front tapers easily cast the largest of flies.

Color: Kelp / Orange
Line Size: 400 grains


Product Description

RIO’s GT line has been specifically designed for the demanding conditions faced by the hardcore GT angler. Each line features a powerful front taper to cast the biggest of flies, and a short, heavy head to easily load powerful saltwater rods. The line is built on an extremely tough, ultra strong core in excess of 50 lbs that will easily battle large fish, and resist being cut on coral and rock structures. A hard, tropical coating prevents the line from wilting in the heat.

Neat, bullet-proof welded loops on front and back end for easy and fast rigging.

In 2016 RIO increased the core strength of the 550gr GT line to 70lb.


  • Color: Kelp / Orange
  • Line Size: 400 grains
  • Sink Rate: Floating
  • Head Length: 36 ft / 10.9 m
  • Total Length: 100 ft / 30.5 m

Dual Tone Technology
This system marks the sweet spot of a fly line by providing an obvious color change in the line. RIO tests every line model and size on a selection of fly rods to find the best spot where the rod loads, and the color change starts at that point. With this Dual Tone system, it’s so easy to see how much line to strip in, where to pick up a cast, how much line can be held in the air when false casting, and when to make the final cast.

Line Profile


Additional information



Kelp, Orange


400gr, 475gr


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