Tecnifibre NRG2
1,120 Elastyl fibers bonded with flexy polyurethane resin, SPL coating
Junior Player Guide
For ParentsRecommended Level
Tension for Juniors
52-56 lbs for juniors.
Gauge Recommendation
16 (1.30mm) for durability.
Overview
Tecnifibre NRG2 features 1,120 individual Elastyl fibers bonded with polyurethane resin offering 400% elasticity. This gives 12% more power than standard synthetic polyamide strings. The SPL (Silicon Pyrogene Lubritec) coating improves durability and resistance to notching. "Let's not mince words, Tecnifibre NRG2 is powerful" - ideal for players with slow to medium strokes still developing their swings. Playtesters raved about the soft, buttery feel. One of the best tennis strings for tennis elbow.
Best For
- ✓ Players with arm issues or tennis elbow
- ✓ Developing juniors with slow to medium swings
- ✓ Doubles players wanting touch on volleys
- ✓ Hybrid crosses for power boost
Not Ideal For
- ✗ Players with fast, full swings (too powerful)
- ✗ Those needing spin
- ✗ String breakers
- ✗ Control-oriented players
Pros
- + Exceptional comfort - soft, buttery feel
- + 12% more power than standard synthetics
- + Great for arm issues/tennis elbow
- + SPL coating improves durability
- + Good value for premium multifilament
Cons
- − May be too powerful for fast swingers
- − Limited spin potential
- − Durability lacking - frays easily
- − Limited control on big swings
Specifications
Used By
Hybrid Setup Ideas
- Poly mains + NRG2 crosses for comfort boost
- Works as full bed for arm-sensitive players
Stringer Notes
Good comfort option at lower price than X-One. SPL coating helps with durability. Great recommendation for arm-sensitive players.
Break-in Period
Minimal. Plays well from first hit.
When to Replace
Every 10-15 hours. Use string savers to extend life.
Similar Strings
Sources
Data verified January 2025
- Specs: Tennis Warehouse
- Pricing: Tennis Warehouse
- Review: Tennis Warehouse Review
- Review: The Tennis Bros Review
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