Courtesy of the Nanometric beta frame enabling superior maneuverability, the Duora 55 is also equipped with the DUAL OPTIMUM SYSTEM to increase power on your forehand and speed on your backhand. The innovative DUAL OPTIMUM SYSTEM features two contrasting racquet profiles, allowing you to hit the right type of shot every time. The Box Frame gives you power and a solid feeling, while the Aero Frame gives you speed and sharp returns.
- Original YONEX US Version
- Grip Size: G5
- Weight: 4U (Ave 83g)
- Color: Flash Yellow
- Yonex String Recommendation: 4U(ave 83g) 19-24lb
- Frame: H.M. Graphite / NANOMETRIC ß
Cover: Yonex Full Cover
- Made in Taiwan.
- No YY Logo will be printed on string bed.
- Stringing Service is done by Professional Stringer with Yonex Most Accurate High Quality Electronic Machine which is made in Japan.
- Stringing method complies with Yonex Stringing Instructions.
- Dural Optimum System
- NANOMETRIC ß
Grounded in NANOSCIENCE, this material binds carbon fibres tightly together one-by-one without any gaps, for enhanced strength.
The square-shaped ISOMETRIC frame shape is designed to keep vertical strings at a similar length, as well as the horizontal strings to produce an expanded sweet spot in all directions.
- New Grommet Pattern
The single-pass grommet hole construction provides more grommet holes for a more high-performance stringing pattern.
- AERO+BOX Frame
Combines solid hitting feel and quick swing.
- Built-in T-Joint
Moulded deep into the layers of graphite where the frame connects with the shaft, the YONEX Built-in T-Joint creates a durable and high-strength one-piece frame that is torque-free.
- Control Support Cap
The control support cap provides an 88% wider flat surface compared with an ordinary racquet for easier gripping, fast follow-through and the sharpest maneuverability.