Devaux Tungsten Nymph Fly JBNT 39

Devaux Tungsten Nymph Fly JBNT39 is a top choice for fly fishing enthusiasts aiming to significantly boost their on-water performance. Designed by the renowned Devaux brand, this tungsten nymph fly stands out for meeting the demands of discerning anglers and delivering a refined, high-performance fishing experience. Recognized for its versatility and innovative design, it’s an essential item in every fly box.

1°. Striking introduction
The Devaux JBNT39 tungsten nymph fly is the ideal companion for targeting trout and other salmonids in rivers and lakes. Thanks to its thoughtful design and tungsten bead, it ensures fast sinking and a natural presentation. It meets the expectations of both experienced and beginner anglers seeking a reliable, all-season nymph.

2°. Technical features

• Manufactured by Devaux, a French brand specialized in fly fishing


• Designed as a realistic nymph, hand-tied


• Tungsten bead for quick and effective sinking


• High-quality materials: strong hook, durable synthetic body


• Suitable for river and stillwater fishing


• Usage type: fly fishing, nymphing on a dropper, natural drift fishing


• Colors and finishes optimized to maximize attractiveness


• Compatible with all standard fly rods

3°. Benefits and key strengths
Devaux expertise shows in every detail of the JBNT39:

• Exceptional realism: the design perfectly imitates natural nymphs, fooling wary fish


• Proven effectiveness: the tungsten bead speeds descent, quickly reaching fish-holding zones


• Durability: hand-tied construction and careful finishing increase resistance during repeated fights


• Artisanal touch: each fly undergoes strict quality control


• Versatility: performs well in all conditions, from fast currents to slower pools

4°. Usage tips and recommended rigs
To get the most from this nymph fly:

• The JBNT39 is ideal for single-nymph rigs or teamed with a dry fly


• Recommended with fine tippets (0.12–0.16 mm) to maximize stealth


• Effective with natural or animated drift techniques to entice even the wariest fish


• The tungsten bead allows efficient fishing in deeper water or strong currents

Optimize your chances by alternating drift speeds and depths to target active fish more precisely.

5°. Testimonials and expert opinion
"After testing the Devaux JBNT39 upon its release in 2025, I was amazed by its effectiveness, even in challenging fishing conditions. Its fast sink rate and stability in current provide a real advantage for prospecting deep holding areas. It quickly became one of my favorite rigs." — Luc, expert angler

6°. FAQ and additional information

• Should the fly be treated or maintained after use? A simple rinse with fresh water preserves the materials and extends the life of your JBNT39.


• Can it be used in competition? Yes, its design meets the standards required for competitive fly fishing.


• Is it suitable for beginners? Absolutely — its ease of use and effectiveness make the JBNT39 a reliable choice for all skill levels.

In short, the Devaux JBNT39 tungsten nymph fly proves to be an indispensable asset for successful fishing outings, maximizing your catches through an optimal blend of innovation, quality, and craftsmanship.