Fly line
Scientific Anglers XTS Gel Spun Fly Line Backing, 30 lb Test, Yellow - 100, 150, 200, 250, 300, 400, 500 up to 3000 yds (150 yds) (150 yds)
Scientific Anglers XTS Gel Spun Fly Line Backing, 30 lb Test, Yellow - 100, 150, 200, 250, 300, 400, 500 up to 3000 yds (150 yds) (150 yds)

Scientific Anglers XTS Gel Spun Fly Line Backing, 30 lb Test, Yellow - 100, 150, 200, 250, 300, 400, 500 up to 3000 yds (150 yds) (150 yds)

Fly line fly_line SKU: B00U48N06Y
$19.95 on Amazon

Scientific Anglers XTS gel spun backing delivers 75% more capacity than standard Dacron backing thanks to its micro-diameter construction. The smooth coating and high visibility yellow color make it ideal for Great Lakes steelhead runs where fish make long powerful runs into backing, while maintaining 100% wet strength and superior abrasion resistance against rocky structure.

Right now on Steelhead Alley

18 of 31 Alley rivers fishing well right now — 3 in excellent shape.

4.1
spey nymphing float fishing swinging flies casting general steelhead trout salmon pike muskie general
In context
Targets: Steelhead · Trout · Salmon · Pike

Common Questions

What kind of fishing is the Scientific Anglers XTS Gel Spun Fly Line Backing, 30 lb Test... used for?

Scientific Anglers's fly line is set up for spey & two-hand, nymphing, and float fishing 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, 30 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, 30 lb Test...?

This product is fulfilled by Amazon — currently $19.95. 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?

18 of 31 Alley rivers fishing well right now — 3 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

Line Weight
30 lb
Length
450 ft

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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