TRU PRO FIREWIRE BOOST Hybrid Tennis String Set (2 x 20.7 ft / 6.8 m) RED/WHITE

Professional-grade performance with exceptional value

The TRU PRO T1-Firewire + Ghost Wire Hybrid Tennis String Set is engineered for players seeking maximum spin with enhanced control and comfort. Combining two of TRU PRO’s most advanced strings, this hybrid setup delivers a level of performance rarely matched in the spin category.

The shaped T1-Firewire (rated #1 in spin for multiple years) provides extreme ball bite and spin generation, while Ghost Wire, one of the softest co-polyester strings available, adds control, feel, and arm-friendly response. Together, they create a perfectly balanced setup for modern, aggressive players who want to swing with confidence.

Key Features

• Hybrid setup combining maximum spin and enhanced control
• T1-Firewire mains for extreme ball bite and spin potential
• Ghost Wire crosses for added feel, comfort, and control
• Excellent balance of performance, durability, and playability
• One of the most advanced spin-focused hybrid combinations available

Specifications

• Length:
  • 1/2 set Firewire: 6.8m / 20.7ft
  • 1/2 set Ghost Wire: 6.8m / 20.7ft
• Gauges:
  • 16g (1.30mm) + 16g (1.27mm)
  • 17g (1.25mm) + 17g (1.22mm)
  • 18g (1.20mm) + 18g (1.17mm)
• Colour: Red / White

Performance Characteristics

• Power: Medium
• Control: High
• Comfort: Medium–High (enhanced by Ghost Wire)
• Durability: High
• Tension Stability: High
• Spin Potential: Very High
• Feel / Playability: Crisp with added softness

Who It’s For

• Players experienced with polyester strings
• Players seeking extreme spin with improved control and feel
• Intermediate to advanced players (UTR 4–10.5 / NTRP 3.5–5.5)
• High-level junior players (ages 12–16)
• Players looking to optimise performance with a hybrid setup

Why Choose TRU PRO Hybrid Systems

TRU PRO hybrid combinations are designed to maximise performance by combining complementary string technologies. This setup delivers elite-level spin, control, and comfort, giving players a competitive edge with every shot.