Home Products About Research & Development Contact Us Careers CHOOSE MY LINE TENNIS STRINGS DUAL DYNAMICS® New DUAL DYNAMICS® 100 % polyamide & bi-layer monofilament string Play without compromise! Uncompromising power, control and comfort A new type of Monofilament string. After 4 years of Research & Development, we have developed a new type of Monofilament string: 100% polyamide with bi-layers From patented DUAL DYNAMICS® technology This string meets the objectives of power, control and comfort, without compromise. Our goal was to find a type of string that better fits modern tennis, the morphology and the age of the players. Made in France, our unique DUAL DYNAMICS® range has been developed on tennis courts, as close as possible to players. This proximity, the exchanges with the players, listening to their feelings and their performance requirements has allowed us to develop these unique strings. Visit our website dual-dynamics.com Subscribe Newsletter Dual Dynamics Before our arrival, it was up to the player to adapt to his monofilament string. Today, with DUAL DYNAMICS® the string adapts to the different playing styles of the player. Discover our range of DUAL DYNAMICS® tennis strings: DOWNLOAD THE DUAL DYNAMICS® BROCHURE SPEED North America 1700A Old Mansfield Road Wooster Ohio 44691 – USA + 1 330 202 7775 customerservice@speed-northamerica.com Trimmer line ISL Agricultural lines Cable pulling lines Tennis strings About R&D Quality All contacts Copyright © 2020 SPEED FRANCE | Legal notices | Realisation Accentonic We use cookies to ensure you get the best experience on our website. We leave you the free choice to accept or refuse them, or to consult our confidentiality policy concerning these cookies.OkNonConfidentiality policy