Luxilon 4G 125 is a co-polyester tennis string designed for competitive players who prioritize tension maintenance, precise control, and consistent performance. Its specialized molecular construction helps reduce tension loss, allowing the stringbed to retain a more predictable response over time. The firm feel and 1.25 mm diameter make it a strong option for aggressive players who generate their own power and want dependable control throughout the string's playing life.
Intermediate to advanced players with fast swing speeds who want a firm, control-oriented polyester string with excellent tension stability. Particularly suitable for competitive players who value consistent stringbed performance between restringing sessions.
| Gauge | 16L / 1.25 mm |
| Length | 660 ft / 200 m |
| Material | Co-Polyester |
| Construction | Monofilament |
| Profile | Round |
| Technology | 4G Molecular Construction |