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RIO Mainstream Striper Fly Line

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A complete lineup of fly lines developed for the striped bass angler

  • Powerful weight forward taper for casting a variety of fly sizes
  • Clear, intermediate sinking configuration
  • Welded loop on front end for fast rigging


RIO's Mainstream Striper fly lines are made specifically for striped bass and cold water saltwater anglers. The line taper is quick-loading and easy casting, and is suited for a variety of fly sizes from large baitfish imitations to small crab patterns. The lines are intermediate density, sinking at 1.5 to 2 inches per second, are entirely clear for stealth while fishing, and also include a neat welded loop on the front end for fast rigging. Each Mainstream line is made in RIO's Idaho manufacturing facility.

Mainstream Striper - All Models

Line Size Density Line Color Sink Rate Total Head Weight Head Length Total Length SKU
WF10I Clear Clear Intermediate 380gr (24.6gm) 30ft (9.1m) 80ft (24.4m) 6-19694
WF8I Clear Clear Intermediate 280gr (18.1gm) 30ft (9.1m) 80ft (24.4m) 6-19692
WF9I Clear Clear Intermediate 330gr (21.4gm) 30ft (9.1m) 80ft (24.4m) 6-19693