Yonex Astrox 99 Racket - Frequently Asked Questions (FAQs)

Question 1

What is the recommended string tension limit for the Yonex Astrox 99 Sapphire Navy?

Accepted Answer

The racket safely supports string tensions up to 28 lbs for the 4U specification and up to 29 lbs for the 3U specification. Professional 4-knot electronic stringing is fully supported for tournament performance.

Question 2

Does this racket come pre-strung or unstrung?

Accepted Answer

This professional tournament racket is supplied unstrung to allow competitive players to customize their choice of string gauge and stringing tension according to their individual playstyle.

Question 3

How does the Astrox 99 differ from the Astrox 88D Pro?

Accepted Answer

While both are head-heavy attacking frames, the Astrox 99 features full-frame Namd graphite for maximum shuttle dwell time and steep smash trajectory, whereas the Astrox 88D Pro focuses on faster rotational recovery for rear-court doubles play.

Question 4

How does the shaft stiffness feel during high-speed rallies?

Accepted Answer

The stiff shaft provides crisp feedback and zero twisting on aggressive shots, ensuring maximum energy transfer and precision control on full swings and fast counter-drives.

Question 5

What grip size is supplied on this racket?

Accepted Answer

The racket comes in the standard G5 grip size, which fits the vast majority of competitive players in India and can be customized with standard overgrips or replacement grips.

Question 6

What guarantees are provided on construction quality and Pan-India delivery?

Accepted Answer

Every racket is backed by guaranteed quality and secure protective packaging for trusted, damage-free express air delivery across India.

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