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Targeted to the overall needs of the average fly fisher.

Mainstream Trout WF

Lemon Green

RIO’s Mainstream series of 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.

taper profile


Front Welded Loop

A neat, bulletproof loop welded at the front of the fly line for fast rigging to a leader.

Mainstream Trout WF - All Models

colorsink rate size30' Head WeightFull Head Weight