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Designed to cast large, and heavy flies with low-stretch, ultra-slick performance

Elite Predator Fly Line


Whether fishing for trout, bass, pike, or musky there are times when a large fly is the best option, and RIO’s Predator line series is designed specifically to cast them easily. Featuring a short, powerful front taper and plenty of weight at the front, the lines have no problem casting the biggest of flies with ease. Whether floating or sink tip, each line is built on RIO’s low stretch ConnectCore Plus for maximum performance, and features SlickCast—the slickest, most durable coating on the market.

There are 4 different density lines to cover every fishing situation:
  • A Full Floating line (F), for top water action 
  • A Floating Line with 10ft of "Hover" Sinking line, then 10ft of Intermediate Sinking line at the front (F/H/I), for fishing in the top 2-3 ft 
  • A Floating Line with 10ft of Intermediate Sinking line, then 10ft of Medium-Sinking line at the front (F/I/S3), for fishing mid-water 
  • A Floating Line with 10ft of Fast-Sinking line, then 10ft of Extra-Fast Sinking line at the front (F/S5/S7), for getting down deep and fast

taper profile


ConnectCore Plus

Our next-generation, low-stretch core provides a radical increase in line durability, smoothness and performance. The highest-performing, longest-lasting freshwater lines in the world are built around ConnectCore Plus.


SlickCast creates the slickest, most durable coating on the market – producing the least amount of friction ever measured on a fly line.

Multi Density Control

Multi Density Control is a combination of different density sinking coatings in a single line that gives anglers complete depth control and perfect contact with the fly



RIO’s triple color line marking system that makes it easy to gauge distances and load, with a quick glance.


RIO’s printed line marking system that allows anglers to quickly and easily identify each line.

Front Welded Loop

A streamlined, bulletproof loop welded at the front of the fly line for fast and easy rigging.

Back Welded Loop

A neat, bulletproof loop welded at the end of the fly line for fast rigging to backing.

Elite Predator Fly Line - All Models

Line SizeLine ColorSink Rate
Line Size:WF5Line Color:Olive/Yellow/BeigeSink Rate:Float
Line Size:WF6Line Color:Olive/Yellow/BeigeSink Rate:Float
Line Size:WF7Line Color:Olive/Yellow/BeigeSink Rate:Float
Line Size:WF8Line Color:Olive/Yellow/BeigeSink Rate:Float
Line Size:WF9Line Color:Olive/Yellow/BeigeSink Rate:Float
Line Size:WF10Line Color:Olive/Yellow/BeigeSink Rate:Float
Line Size:WF11Line Color:Olive/Yellow/BeigeSink Rate:Float
Line Size:WF5Line Color:Gray/Camo/Yellow/BeigeSink Rate:Float/1ips/2ips
Line Size:WF6Line Color:Gray/Camo/Yellow/BeigeSink Rate:Float/1ips/2ips
Line Size:WF7Line Color:Gray/Camo/Yellow/BeigeSink Rate:Float/1ips/2ips
Line Size:WF8Line Color:Gray/Camo/Yellow/BeigeSink Rate:Float/1ips/2ips
Line Size:WF9Line Color:Gray/Camo/Yellow/BeigeSink Rate:Float/1ips/2ips
Line Size:WF10Line Color:Gray/Camo/Yellow/BeigeSink Rate:Float/1ips/2ips
Line Size:WF11Line Color:Gray/Camo/Yellow/BeigeSink Rate:Float/1ips/2ips
Line Size:WF5Line Color:Black/Gray/Yellow/BeigeSink Rate:Float/2ips/3ips
Line Size:WF6Line Color:Black/Gray/Yellow/BeigeSink Rate:Float/2ips/3ips
Line Size:WF7Line Color:Black/Gray/Yellow/BeigeSink Rate:Float/2ips/3ips
Line Size:WF8Line Color:Black/Gray/Yellow/BeigeSink Rate:Float/2ips/3ips
Line Size:WF9Line Color:Black/Gray/Yellow/BeigeSink Rate:Float/2ips/3ips
Line Size:WF10Line Color:Black/Gray/Yellow/BeigeSink Rate:Float/2ips/3ips
Line Size:WF11Line Color:Black/Gray/Yellow/BeigeSink Rate:Float/2ips/3ips
Line Size:WF6Line Color:Black/Yellow/BeigeSink Rate:Float/5ips/7ips
Line Size:WF7Line Color:Black/Yellow/BeigeSink Rate:Float/5ips/7ips
Line Size:WF8Line Color:Black/Yellow/BeigeSink Rate:Float/5ips/7ips
Line Size:WF9Line Color:Black/Yellow/BeigeSink Rate:Float/5ips/7ips
Line Size:WF10Line Color:Black/Yellow/BeigeSink Rate:Float/5ips/7ips
Line Size:WF11Line Color:Black/Yellow/BeigeSink Rate:Float/5ips/7ips