Tecnifibre Tennis String X-One Biphase - Red - 1.30 - Multifilament

The X-One Biphase string is Tecnifibre’s highest-performing multifilament, delivering exceptional playability, durability, and tension integrity. Its built-in wear indicator—visible through significant fraying at the impact zone—helps players identify when it’s time to restring before full breakage.

As the leading global brand in multifilament technology, Tecnifibre manufactures this premium string in France using advanced materials known for power, comfort, and long-lasting performance. X-One Biphase replicates the feel and responsiveness of natural gut while offering superior consistency and strength.

With cutting-edge technologies such as PU 400, Elastyl® fibres, H²,C fibres, and the exclusive Biphase pre-stretch process, this string is a worldwide best seller and a top choice for players seeking maximum comfort and explosive power.

Key Features

• Wear indicator for early restringing
• Outstanding power, comfort, and feel
• Natural-gut-like performance with improved durability
• Made in France
• Not suitable for heavy string breakers

Specifications

• Type of String: Multifilament
• String Range: X-ONE BIPHASE
• Packaging: Set 12m
• Color: Red
• Gauge: 1.30