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Tecnifibre X-One Biphase Strings

As the most powerful family in Tecnifibre's lineup, X-One Biphase is perfect for those who want free power.
Tecnifibre X-One Biphase 15L/1.35 String

This thick version of X-One Biphase provides comfort and power seekers with extra durability and control.

Tecnifibre X-One Biphase 16/1.30 String

With its gut like feel, this high-end multifilament offers exceptional power, comfort and ball pocketing.

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Tecnifibre X-One Biphase 16/1.30 String Red

With its gut like feel, this high-end multifilament offers exceptional power, comfort and ball pocketing. Now available in red.

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Tecnifibre X-One Biphase 17/1.24 String

With its gut like feel, this high-end multifilament offers exceptional power, comfort and ball pocketing. Plays with a slightly livelier feel compared to the 16 gauge version.

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Tecnifibre X-One Biphase 18/1.20 String

An excellent choice for use in racquets with tight string patterns, hybrid applications and for players wanting to maximize the feel and playability of their stringbed.

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Tecnifibre X-One Biphase 18/1.20 String Red

The thinnest version of this ultra-comfortable and wonderfully crisp multifilament. Offers exceptional feel and spin, with less durability than the 16g and 17g versions.

Tecnifibre X-One Biphase 17/1.24 String Red

With its gut like feel, this high-end multifilament offers power, comfort and ball pocketing and a slightly livelier feel than the 16 gauge version. Now in red.

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