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.  

Features

- Slightly heavier, easy casting lines for a multitude of situations
- Short, powerful front taper for good presentation and turnover

Specifications

- Model: WF4F
- Sink rate: Float
- 30' head weight: 140gr (9.1gm)
- Full head weight: 165gr (10.7gm)
- Head Length: 37ft
- Total length: 80ft

- Model: WF5F
- Sink rate: Float
- 30' head weight: 160gr (10.4gm)
- Full head weight: 195gr (12.6gm)
- Head Length: 38ft
- Total length: 80ft