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RIO Mainstream Saltwater Fly Line


RIO’s Mainstream Saltwater is a slightly heavier, easy to cast, floating line for a variety of different species. It has a short, powerful front taper that gives a good presentation and turnover. This is a good general saltwater fly line for the average fly fisher, and works for many fishing situations.

Color: Light Blue


Available Options:

Product Description

RIO’s Mainstream saltwater fly lines have been developed to meet the overall needs of the average and novice fly fisher, and are designed to optimize rod performance with slightly heavier and shorter head lengths. Every Mainstream line undergoes the same rigorous production processes and quality control standards as all RIO fly lines, and is made in RIO’s Idaho manufacturing facility. Each saltwater line is built with a hard, saltwater coating for the best in performance.

Mainstream Saltwater Line Profile



Line Size 30′ Head Weight Full Height Weight Head Length Total Length
WF7F 197 grains / 12.8 grams 218 grains / 14.1 grams 35 ft / 10.7 m 80 ft / 24.4 m
WF8F 225 grains / 14.6 grams 244 grains / 15.8 grams 35 ft / 10.7 m 80 ft / 24.4 m
WF9F 260 grains / 16.8 grams 330 grains / 21.4 grams 35 ft / 10.7 m 80 ft / 24.4 m
WF10F 305 grains / 19.8 grams 354 grains / 22.9 grams 35 ft / 10.7 m 80 ft / 24.4 m
WF12F 415 grains / 26.9 grams 532 grains / 34.5 grams 35 ft / 10.7 m 80 ft / 24.4 m

Additional information




Line Weight

WF-7-F, WF-8-F, WF-9-F, WF-10-F, WF-12-F


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WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

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