Note: Price is inclusive of string and stringing service ONLY for in-store purchase. Online purchase is for purchase of the string cut for 1 racket from our reel, while stocks last. 

The TECNIFIBRE NRG² TENNIS STRING was designed with a specific goal in mind: to be the engine of the racket! This is the primary purpose of the NRG², the most powerful string in the range.

FEATURES

• Specific construction: Over 1200 microfilaments composed of Elastyl (12% more elastic than standard polyamide). Impregnated throughout with polyurethane 400 to generate power and comfort.
  
• Exclusive surface treatment: SPL to provide smoothness and effective "snap back", avoiding the need to readjust the strings during playing.
  
• PU 400: 400% elasticity for great comfort and dynamic performance.
• Elastyl fibers (100%): +12% elasticity compared to standard PA, providing enormous elasticity for maximum power.
• SPL final coating: Anti-abrasion coating for increased resistance.

Among the top 10 best-selling items for over 20 years among specialists.

• Extreme playability (power/precision ratio) thanks to the mix of multifilament construction and exceptional materials
• Extra power guaranteed by Elastyl fiber (12% more powerful than standard polyamide)
• Guaranteed to limit fatigue and increase arm protection, thanks to the use of Polyurethane 400 (400% elasticity)