Devaux JBNT17 Tungsten Nymph Fly

The Devaux JBNT17 tungsten nymph fly stands out on the market for its performance and effectiveness on the water. Designed to deliver a rapid sink rate and a natural presentation, it suits both beginners and experts seeking reliable, high-performance gear. Its design combines French craftsmanship, premium materials and technical innovations, ensuring consistent catches in all conditions.

Technical features of the Devaux JBNT17 Tungsten Nymph Fly

• High-density tungsten bead for immediate sink rate


• Highly realistic body, hand-tied


• Mounted on a premium anti-corrosion hook


• Synthetic fibers perfectly imitating natural larvae


• Carefully selected materials for exceptional durability


• Hydrodynamic profile designed for both fast and slow currents


• Compatible with all nymphing techniques, including sight fishing and tight-line methods


• Developed and quality-checked in France by Maison Devaux

Benefits and key strengths

• Fast sink thanks to tungsten, for optimal placement of the nymph in the targeted water column


• Slim profile accurately reproducing the silhouette of aquatic invertebrates


• Consistent performance even during periods of low fish activity


• Exceptional durability: withstands multiple strikes and catches


• Premium finish by Devaux, a mark of trust for decades

Usage tips and recommended rigs

• Match the tippet diameter to the size of the targeted fish


• Use a subtle leader to maximize strikes


• Ideally pair this nymph with a 9'–10' rod, 3–4 weight line


• Add it on a short dropper to fish both sight nymphing and tight-line nymphing

Expert testimony

“Introduced for the first time in 2025, the Devaux JBNT17 immediately convinced me. Its tungsten bead allows reaching deep zones in strong current and its insect imitation is stunning… Result: more selective fish, even during tough periods. The quality of the tying, true to the Devaux spirit, makes it a must-have in my fly box.” (Sylvain, fishing guide and competitor)

FAQ and additional information

• Is the JBNT17 suitable for fast rivers? Yes, its tungsten bead provides a fast sink rate and effective hold in strong currents.


• Should a specific leader be preferred? A fine, discreet leader optimizes presentation and success.


• How to care for the fly after a session? Simply rinse it with fresh water, then air-dry to preserve its like-new appearance and intact fibers.