Tecnifibre X-One Biphase 16 is Tecnifibre's flagship playability tennis string

whichever comes first

An all-around performance string that offers a balance of playability and extra durability for all playing levels and playing styles

Ideal for players with moderate to full swings

The multifilament construction provides a gut like feel

Gamma Live Wire 17 COLLECTION-Type-Insoles Tecnifibre X-One Biphase 16 isMultifilament Synthetics. Ultimate feel, maximum power and control, and ultimate playability for exceptional all around performance. Features enhanced topspin and less shock. Constructed of bundled Live Wire core and twisted Live Wire wraps with a soft pearl coating.