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Royal Wulff GSP Backing – 30# & 50# Ultra Thin Saltwater Fishing Backing

(3 customer reviews)

Original price was: $39.95.Current price is: $21.38.

Ultra thin GSP backing for saltwater fly fishing with high capacity for long casts.

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SKU: BKF0001803034 Categories: , ,

Royal Wulff GSP Backing

Now available in a bright new package, the Royal Wulff GSP (Gel Spun Poly) ultra thin backing is a popular choice among saltwater fly anglers seeking a small diameter backing. It provides greater capacity to handle longer-running saltwater game species.

Test Spool Sizes Available
30# Various
50# Various

FAQ

What makes the GSP backing suitable for saltwater fishing?

The GSP backing is designed with a thin, durable gel-spun poly fiber that offers excellent strength-to-weight ratio and resistance to saltwater corrosion, making it ideal for long casts and sustained fishing with game fish.

Is the backing compatible with all spool sizes?

Yes, the GSP backing is available in a range of spool sizes to match different rod and reel setups, providing flexibility for various fishing scenarios.

What is the difference between 30# and 50# test?

The 30# test is suitable for lighter game fish and shorter casts, while the 50# test offers greater strength and capacity for larger, more powerful species commonly found in saltwater environments.

3 reviews for Royal Wulff GSP Backing – 30# & 50# Ultra Thin Saltwater Fishing Backing

  1. Julian Paige –

    I’ve used the 50# GSP backing on several saltwater trips and it performs well under pressure. The thin profile doesn’t add much bulk to my reel, and it holds up well in saltwater conditions. Easy to load and reliable during long casts.

  2. Neil Quinn –

    The new packaging is nice and stands out in my gear. The backing feels smooth and strong. I’ve used it with a 7′ fly rod and it handles the longer casts needed for tuna and mackerel without breaking.

  3. Maria James –

    Great value for the performance. The 30# version works perfectly for smaller species like snapper and grouper. It’s lightweight and doesn’t interfere with casting accuracy.

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