Black

Mainstream Type 6 Full Sink

Targeted to the overall needs of the average fly fisher.

    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. 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 line is built with a slick coating on a supple memory-free core, for the best in performance.
  • Slightly heavier than standard lines for easy loading
  • Supple core with a slick coldwater coating
click for line profile

Fly Line Selector

SKU Line Size Color Sink Rate 30ft Head Wt Head Length Total Length MSRP
6-20734 WF4S6 Black 6-7 ips 120gr / 7.8gm 38ft / 11.6m 80ft / 24.4m 39.95 Buy
6-20735 WF5S6 Black 6-7 ips 140gr / 9.1gm 38ft / 11.6m 80ft / 24.4m 39.95 Buy
6-20736 WF6S6 Black 6-7 ips 160gr / 10.4gm 40ft / 12.2m 80ft / 24.4m 39.95 Buy
6-20737 WF7S6 Black 6-7 ips 185gr / 12gm 42ft / 12.8m 80ft / 24.4m 39.95 Buy
6-20738 WF8S6 Black 6-7 ips 210gr / 13.6gm 42ft / 12.8m 80ft / 24.4m 39.95 Buy

CHOOSE A BUYING OPTION