

Tecnifibre RED CODE Tennis String (Single Pack)
Tecnifibre RED CODE Tennis String (Single Pack)
RED CODE tennis strings, the versatile polyester.
Tecnifibre Red Code is a best-selling co-polyester string built for demanding players who need durability, control, and all-around performance. Made in France, it features a Thermocore process for improved flexibility and reduced fatigue, along with a high-quality polyester blend that delivers a firm, responsive feel. Ideal for rackets over 300 g and heavy string breakers, Red Code offers long life, stability, and reliable playability with its versatile round profile. Recommended at 22–25 kg, this signature polyester—played by pros like John Isner—provides exceptional value and consistent performance for competitive players.
🔑 Key Features:
- Versatile Performance: Designed for players who want both resistance and all-around playability in a single polyester string.
- For Demanding Players: Ideal for very good and competitive players seeking durability and dependable performance.
- Co-Polyester Construction: Made from high-quality co-polyester granules selected for flexibility and strength.
- Thermocore Technology: Ensures maximum flexibility in a polyester monofilament, reducing fatigue while maintaining performance.
- Round Section: A classic round profile that enhances versatility and consistent feel.
- Firm, Controlled Feel: Offers a crisp response with long string life—perfect for players who like a solid, predictable hit.
- Recommended for 300g+ Racquets: Performs best in heavier frames.
- Great for String Breakers: Highly durable, especially suited for heavy breakers playing more than 10 hours.
- Tension Range: Recommended 22–25 kg; maximum tension 32 kg.
- Signature Red Color: Classic Tecnifibre RED CODE identity.
- Tour-Proven: Used by pro player John Isner.
- Made in France: Premium production and quality control.
📐 Specifications:
| Type of String | Monofilament |
|---|---|
| String Range | RAZOR SOFT |
| Packaging | Set 12 m |
| Color(s) | Red |
| Gauge (String Thickness) | 1.20 mm, 1.25 mm, 1.30 mm |

Tecnifibre RED CODE Tennis String (Single Pack)
Sale price$8.94
