Tecnifibre X-One Biphase 1.24/17g Tennis String Reel 200m/660ft

Experience premium performance with the Tecnifibre X-One Biphase 17G Tennis String Reel, one of the world's most popular multifilament strings. Designed for players seeking exceptional power, comfort, and feel, X-One Biphase delivers a natural gut-like response with outstanding playability and impressive tension maintenance.

Featuring Tecnifibre's exclusive Biphase Technology, this premium multifilament string undergoes a specialized stretching process that enhances durability while preserving its signature power and responsiveness. The 17 gauge (1.24mm) offers increased ball pocketing, improved spin potential, and exceptional touch, making it a favorite among competitive players who value precision and comfort.

Perfect for players with arm sensitivity or anyone looking for a high-performance alternative to natural gut, the 200m (660ft) reel provides enough string for approximately 16–18 racquet string jobs, making it an excellent value for players, stringers, and pro shops.

Features

• 200m (660ft) reel – strings approximately 16–18 racquets

• 17 gauge (1.24mm) for enhanced feel, touch, and spin

• Premium multifilament construction with Biphase Technology

• Outstanding power with excellent comfort

• Exceptional ball pocketing and responsiveness

• Superior tension maintenance for consistent performance

• Arm-friendly design helps reduce shock and vibration

• Great natural gut alternative without the premium price

Specifications

• Gauge: 17 / 1.24mm

• Length: 200m (660ft)

• Construction: Premium Multifilament

• Technology: Biphase Technology

• Color: Natural

• Recommended Tension: 50–57 lbs (23–26 kg)

Whether you're a tournament competitor, club player, or professional stringer, the Tecnifibre X-One Biphase 17G Reeldelivers elite-level comfort, explosive power, and unmatched feel in every restring. It's the ideal choice for players who demand premium multifilament performance with lasting consistency.