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Tecnifibre X-One Biphase 16 (Item #010937)
Tecnifibre X-One Biphase 17 (Item #010939)

Product Specifications


18 Gauge / 1.18mm


40 feet / 12.2 meters


1 Package.

Item #


Style #


Item is returnable, but does not qualify for free returns.

Tecnifibre X-One Biphase 18

Tecnifibre X-One Biphase 18 is Tecnifibre's flagship playability tennis string, and for good reason. With plenty of technology packed in for maximum power, feel and comfort, this string is even a great choice if you suffer from arm pain. The 18 gauge is even thinner for increased feel on more precise touch shots.

  • Biphase process offers 20% increased durability.
  • Multifilament Synthetic string.
average rating 5.0 out of 5
Based on 1 review
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    1 Review
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100% of reviewers would recommend this product to a friend
1 Review
Reviewed by Mo
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Great string

Nice playable string and it plays better after second time playing with it. Freshly strong racquet might not play as soft as you expect! I cannot talk about durability since I only played with it 4 times with an injured wrist. I use it on Wilson Clash at 48 lbs.

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