Skip to content

RIO Mainstream MS Fly Line

by RIO
Original price $ 49.99 - Original price $ 49.99
Original price $ 49.99
$ 49.99
$ 49.99 - $ 49.99
Current price $ 49.99

The complete Fly Line kit - Line rigging made easy with everything you need, all in one place.

Have a rod and a reel but not sure how to get it ready to fish? Maybe you have an old reel with even older line deteriorating on it? Now there’s an easier way to add or freshen up that terminal tackle with the complete RIO Fly Line Kit, including Mainstream Fly Line, Leader, and Backing. Just look at the line designation on the rod and pick the line weight kit to match. Available in 3wt to 8wt, there’s a kit for all the popular fly fishing applications from small streams, creeks, and ponds all the way up to bass and redfish. With a full list of step-by-step instructions included for how to rig the backing to the reel, line to backing, and leader to line, it’s as simple as following the steps then heading out to the water with confidence. Spend more time fishing and less time rigging, with the RIO Fly Line Kit.


- Mainstream Fly Line

- Backing Spool

- Powerflex Leader

- Step-by-step rigging instructions

RIO 3wt Fly Line Kit - Small Stream / Creek

RIO 4wt Fly Line Kit - Stream / Creek / Pond

RIO 5wt Fly Line Kit - River / Lake

RIO 6wt Fly Line Kit - River / Lake

RIO 7wt Fly Line Kit - River / Lake

RIO 8wt Fly Line Kit - Bass / Redfish