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Yonex Astrox 77 Pro

Yonex Astrox ★4.3 (145) Aggressive attacking play with steep smashes

Mid-power Astrox — more forgiving than the 88 line while staying attack-oriented.

Specifications

Variant
Pro
Item code
AX77-P
Flex
Medium
Balance
Head Heavy
Weight
3U (88g) / 4U (83g)
Grip sizes
G3, G4, G5, G6
String tension
20-28 lbs / 21-29 lbs
Skill level
Advanced
Play style
Power / Attack
BALANCE Head Heavy FLEX Medium WEIGHT 3U (88g) BALANCE HEAD-LIGHT HEAD-HEAVY FLEX / FEEL FLEX STIFF
Frame profile · Yonex Astrox 77 Pro
illustration reflects balance & flex; not a product photo
Flex3.0Balance4.0Feel4.0Head-heavy3.5
Trait radar · Yonex Astrox 77 Pro
each axis 1–5 from Yonex brand specs
FLEXBALANCEFEELHEAD-HEAVY
Trait bars · Yonex Astrox 77 Pro

Technology & features

ISOMETRIC Rotational Generator System AERO+BOX Frame Namd Flex Fuse Ultra PE Fiber Tungsten Super Slim Shaft Energy Boost Cap Plus
  • ISOMETRIC. Square head shape — larger sweet spot than oval frames.
  • Rotational Generator System. Counter-balance through grip + frame top + T-joint for smoother smash transitions.
  • AERO+BOX Frame. Hybrid aero/box frame for power-and-control balance. Most Astrox / Nanoflare 800.
  • Namd. Graphite that disperses carbon nanotubes evenly — more flex AND faster snapback. Pro-tier Astrox.
  • Flex Fuse. Resin layer that fine-tunes flex behaviour on Astrox 77 Pro.
  • Ultra PE Fiber. Ultra high-molecular-weight PE woven into the frame for impact damping.
  • Tungsten. Tungsten weighting in the frame for swing-weight tuning.
  • Super Slim Shaft. Yonex's slimmest shaft — used on premium pro variants.
  • Energy Boost Cap Plus. Refined Energy Boost Cap with more shaft snapback.

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Ranked by balance, flex, and feel similarity. See cross-brand picks →

Where to buy