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Targeted to the overall needs of the average fly fisher.

Mainstream Full Sink

$39.99

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

Mainstream Full Sink - All Models

Line SizeLine ColorSink Rate
line size:WF4S3Line Color:BrownSink Rate:3-4 ips
line size:WF5S3Line Color:BrownSink Rate:3-4 ips
line size:WF6S3Line Color:BrownSink Rate:3-4 ips
line size:WF7S3Line Color:BrownSink Rate:3-4 ips
line size:WF8S3Line Color:BrownSink Rate:3-4 ips
line size:WF4S6Line Color:BlackSink Rate:6-7 ips
line size:WF5S6Line Color:BlackSink Rate:6-7 ips
line size:WF6S6Line Color:BlackSink Rate:6-7 ips
line size:WF7S6Line Color:BlackSink Rate:6-7 ips
line size:WF8S6Line Color:BlackSink Rate:6-7 ips