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.
Line Size |
Sink Rate |
Line Color |
30' Head Weight |
Head Length |
Total Length |
WF4I | 1.5-2 IPS | Clear | 133gr (8.6gm) | 37ft (11.2m) | 80ft (24.4m) |
WF5I | 1.5-2 IPS | Clear | 155gr (10gm) | 38ft (11.5m) | 80ft (24.4m) |
WF6I | 1.5-2 IPS | Clear | 178gr (11.5gm) | 39ft (11.8m) | 80ft (24.4m) |
WF7I | 1.5-2 IPS | Clear | 204gr (13.2gm) | 40ft (12.1m) | 80ft (24.4m) |
WF8I | 1.5-2 IPS | Clear | 231gr (15gm) | 41ft (12.5m) | 80ft (24.4m) |
WF4S3 | 3-4 IPS | Brown | 133gr (8.6gm) | 38ft (11.6m) | 80ft (24.4m) |
WF5S3 | 3-4 IPS | Brown | 155gr (10gm) | 38ft (11.6m) | 80ft (24.4m) |
WF6S3 | 3-4 IPS | Brown | 178gr (11.5gm) | 40ft (12.2m) | 80ft (24.4m) |
WF7S3 | 3-4 IPS | Brown | 204gr (13.2gm) | 42ft (12.8m) | 80ft (24.4m) |
WF8S3 | 3-4 IPS | Brown | 231gr (15gm) | 42ft (12.8m) | 80ft (24.4m) |
WF4S6 | 6-7 IPS | Black | 120gr (7.8gm) | 38ft (11.6m) | 80ft (24.4m) |
WF5S6 | 6-7 IPS | Black | 140gr (9.1gm) | 38ft (11.6m) | 80ft (24.4m) |
WF6S6 | 6-7 IPS | Black | 160gr (10.4gm) | 40ft (12.2m) | 80ft (24.4m) |
WF7S6 | 6-7 IPS | Black | 185gr (12gm) | 42ft (12.8m) | 80ft (24.4m) |
WF8S6 | 6-7 IPS | Black | 210gr (13.6gm) | 42ft (12.8m) | 80ft (24.4m) |