Tecnifibre X-One Biophase 1.24/17 Multifilament Tennis String Set in Natural (Made in France)

If you're serious about your game and your joints, the Tecnifibre X-One Biphase 1.24mm (17 gauge) Multifilament Tennis String Set is the kind of upgrade your racquet has been waiting for. Engineered, designed, and made in France, this string set is built around Tecnifibre's patented Biphasic technology — a clever construction that delivers a playing experience remarkably close to natural gut, without the wallet-wincing price tag. Whether you're grinding through long baseline rallies or hunting for that extra touch at the net, the X-One Biphase gives you the feel, comfort, and durability to play your best tennis.

Key Benefits

• Exceptional shock absorption: The multifilament construction cushions every impact, reducing stress on your arm, elbow, and shoulder so you can keep playing longer without discomfort.
• Natural gut-like feel: Delivers a lively, responsive playing experience that mimics the touch and elasticity of natural gut strings — a serious bonus for players who love that plush feedback.
• Extended string life: Patented Biphasic technology increases string life by up to 20% compared to conventional multifilament strings, meaning fewer restrings and more time on court.
• Optimum comfort: Designed with player comfort at the forefront, making it a great choice for recreational players, seniors, or anyone managing arm sensitivity.
• ATP Tour approved: Recognised as an official ATP Tour string, giving you confidence that this is a string trusted at the very highest level of professional tennis.
• Made in France: Engineered and produced in France to strict quality standards, reflecting Tecnifibre's commitment to precision manufacturing.

Product Specifications or Features

• Brand: Tecnifibre
• Model: X-One Biphase
• Construction: Multifilament (PU 400)
• Gauge: 17 / 1.24mm
• Colour: Natural
• Technology: Patented Biphasic construction for enhanced durability and comfort
• Country of origin: Made in France
• Endorsement: Official ATP Tour string
• Set length: Standard single racquet set

Whether you're stepping onto a club court or giving it everything you've got in a competitive match, the Tecnifibre X-One Biphase 1.24mm is a string that genuinely looks after you while helping you perform. Treat your arm to the comfort it deserves and your game to a string that delivers where it counts.