Yonex Astrox 99 PRO Black Green 3AX99-P Made In Japan Badminton Racket (4U-G5)

2G Namd™ Flex Force

By applying the counterbalance theory, weight is carefully distributed throughout the grip end, frame top and joint, enabling smooth transition between powerful shots for rapid, successive attacks. The "2G Namd™ Flex Force"  used throughout the racket, characterized by its quick flex and snap-back, maximizes short power an advances the performance of the Rotational Generator System.

The graphite is designed with quick flex and rapid snap-back. Carbon Nanotube technology binds the graphite structure, reducing energy loss and improving overall resilience. This helps to deliver uncompromised shot power while providing enhanced shot feedback for better feel and control.

As a result, when applied throughout the entire racket, this rapid flex and snap-back increases shuttle hold time, allowing players to feel the shuttle more clearly and transfer maximum power into every shot.

(Used in PRO/TOUR models)

*Namdis technology developed by Nitta Co., Ltd. to uniformly disperse carbon nanotubes in carbon fiber composites.

Shot information connector

The Anti-Torsion shaft using high-rigidity graphite keeps the racket face straight and minimizes torque to keep the racket face stable on impact. This design extends shuttle contact time, delivering clearer shot information and greater confidence with every stroke. Combined with a lightweight end cap that enhances the head-heavy balance and shaft flex, feedback to the hand is improved for more powerful smashes.

Lightweight End Cap

The lightweight end cap is designed to increase power by reducing weight at the handle. This shifts the balance toward the racket head, making it the most head-heavy model in the current line-up and ideal for players seeking stronger attacking performance.

Rotational Generator System
Weight Distribution - By applying the counterbalance theory, weight is distributed throughout the grip end, frame top and the joint for maximum control. The transition to the next shot can be performed smoothly with a rapid succession, hence enabling continuous powerful attacks possible.

Energy Boost Cap Plus

Uniquely shaped cap which maximizes shaft performance.The front allows the shaft to flex, while the sides arch-shaped curve stabilizes the racket face by preventing the shaft from twisting.

Power Assist Bumper
The POWER-ASSIST BUMPER enhances the Rotational Generator System, quickly transferring more weight to the shuttle.
Attached to enforce heavier, increased power by configuring the weight directed into the shuttlecock with a tungsten-infused nylon bumper. Boosted power with a tungsten-infused weighted bumper, adding 55% more weight* than conventional grommets.
* measured by Yonex

Isometric
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 Build-in T-Joint
‘NEW’ Built-in T-Joint is manufactured from a special lightweight plastic combined with epoxy resin and foaming agent that enhances quality and performance by increasing the stability of the shuttle on the string bed and through the air.

Ultra Slim Shaft
Cutting edge NANOMETRIC carbon technology is used to produce an ultra-thin, ultra-tough, aerodynamic shaft, created for a stronger and more intense shot.