Tecnifibre NRG2 Set

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The NRG² 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. Specific constru ction: 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. Color: Natural Length: 40ft / 12m Show more