The Tecnifibre X-One Biphase 1.30mm (200m Reel) represents the gold standard in multifilament tennis string technology, delivering natural gut-like responsiveness, sublime ball pocketing, and supreme arm comfort. Engineered in France, X-One Biphase combines ultra-elastic Elastyl fibres with high-temperature H²C fibres immersed in a 400% elasticity polyurethane (PU 400) matrix for explosive energy return and reduced impact shock.

Enhanced with Tecnifibre's exclusive Biphase chemical pre-stretch treatment, this string offers unmatched tension retention and extended wear resistance. The 1.30mm (16G) gauge provides an optimal balance of crisp control and durability, making this 200m reel an economical choice for frequent stringers and tournament players demanding tour-level performance.

Key Features:

• PU 400 Technology: 400% elasticity matrix delivers plush comfort, vibration dampening, and effortless power.
• Elastyl & H²C Fibre Blend: 50% Elastyl fibres maximize dynamic rebound while 50% H²C fibres ensure superior tension maintenance.
• Biphase Pre-Stretch Treatment: Increases string longevity and tension stability by up to 20%.
• S.P.L Coating: Low-friction surface finish promotes fast string snapback and easy stringing.
• 200m Reel Economy: Yields approximately 16–18 full restrings for club stringers and competitive players.

Specifications:

• Composition: Multifilament (PU 400, Elastyl & H²C fibres, SPL coating)
• Gauge: 1.30 mm / 16 Gauge
• Length: 200 m / 660 ft
• Color: Natural