The X-one biphase tennis string is the highest level of power and control.
 
The X-ONE BIPHASE string is the best performing string in this range on the three criteria of playability, durability, and integrity.
 
Technical Details:
Colour: Natural
Main Material: Polyamide, polyurethane, silicone finish
Recommended Tension: Between 22 and 25 kg
Maximum Tension: 32 kg
Not Recommended for Heavy String Breakers: (< 10 hours of play)
Made in France
 
Technologies:
PU 400: 400% elasticity for great comfort and dynamic performance.
Elastyl® Fibres (50%): +12% elasticity compared to a standard PA, providing enormous elasticity for maximum power.
H²C Fibres (50%): Maximises performance with high temperature fibres for better tensile strength.
Biphase Process: Exclusive "pre-stretch" process to provide better tensile strength and life. Visible and noticeable on the string, it increases the spin.
 
Best Seller Worldwide
The performance of natural gut without the defects.