Scientific Anglers XTS Gel Spun Fly Line Backing, 50 lb Test, Yellow - 100, 150, 200, 250, 300, 400, 500 up to 3000 yds (250 yds)
Premium gel spun polyethylene backing delivers 75% more capacity than standard dacron while maintaining full strength when wet. Essential for long-running Great Lakes steelhead and salmon that demand maximum backing capacity and abrasion resistance around structure.
17 of 31 Alley rivers fishing well right now — 2 in excellent shape.
Common Questions
What kind of fishing is the Scientific Anglers XTS Gel Spun Fly Line Backing, 50 lb Test... used for?
Scientific Anglers's fly line is set up for spey & two-hand, swinging flies, and spinners & spoons targeting steelhead, trout, salmon. Each technique has a dedicated guide on Steelhead Addiction with rigging walkthroughs and water-reading tips.
What fish species does the Scientific Anglers XTS Gel Spun Fly Line Backing, 50 lb Test... work for?
This fly line is curated for steelhead, trout, salmon, pike. The Steelhead Addiction species field guide has biology and Great Lakes-specific tactics for steelhead and the rest.
Where do I buy the Scientific Anglers XTS Gel Spun Fly Line Backing, 50 lb Test...?
This product is fulfilled by Amazon — currently $44.95. SteelHead Addiction does not handle inventory, payments, or shipping; Amazon does. We curate the gear and pair it with live conditions context. Click "Buy on Amazon" to complete the purchase.
Are conditions good for fishing the Steelhead Alley right now?
17 of 31 Alley rivers fishing well right now — 2 in excellent shape. Live updates for all 31 rivers run every 15 minutes — see the full dashboard on Steelhead Addiction.
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Key Specs
Features
- + Micro-diameter gel spun polyethylene allows up to 75% more capacity than standard material
- + Retains 100% strength while wet, extremely high abrasion resistance, high visibility, impervious to UV rays, gas, salt and other elements
- + Smooth coating and low coefficient of friction (COF)
- + Various lengths available wound from bulk spools of Scientific Anglers Gel Spun Backing.
- + You only have to buy what you need - enough to fill one reel or buy in bulk.
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