Yonex Astrox 77 Pro
Specs
| Flex | medium |
| Balance | Head Heavy |
| Weight / Grip | 3U / G4,G5,G6 4U / G5,G6 |
| Max Tension | 3U: 28 lbs 4U: 27 lbs |
Yonex Astrox 77 Pro - Performance & Technical Overview
The Yonex Astrox 77 Pro is designed for aggressive players seeking steep smashes and dominant attacking play. According to Yonex's official spec page, it features a medium flex shaft and uses advanced materials like HM Graphite, Namd™, Ultra PE Fiber in the shaft, and a frame built with HM Graphite, Flex Fuse and Tungsten.
The racquet is offered in both 4U (G5,G6) and 3U (G4,G5,G6) variants. For stringing: the 4U allows up to 19-27 lbs; the 3U up to 20-28 lbs.
Although the official site does not explicitly label the balance, reviews describe it as having a slightly head-heavy feel (helping generate smash power) while incorporating the Rotational Generator System for quicker recovery.
With a 10 mm longer frame length and the new Built-in T-Joint, the Astrox 77 Pro is built to deliver increased shuttle hold and leverage, making it well suited for those playing fast, attacking singles or dominating tempo in doubles.
Racket Specification Breakdown
Flex: Medium
A medium-flex shaft provides a comfortable balance between power and control, suitable for a wide range of intermediate players.
Flex Rating
Balance: Head Heavy
A head-heavy balance adds more momentum to your swings, giving stronger smashes and deeper clears. Best for attacking players.
Balance Rating
Available Variants
3U Variant
Grip Sizes: G4,G5,G6
Max Tension: 28 lbs
3U (85-89g) gives more weight and stability, allowing stronger smashes and better control for powerful players.
This tension range is ideal for intermediate to advanced players seeking crisp control and strong repulsion.
4U Variant
Grip Sizes: G5,G6
Max Tension: 27 lbs
4U (80-84g) offers faster handling and great maneuverability, ideal for doubles or quick all-round play.
Lower tension is more forgiving and easier to generate power with, suitable for beginners.
Best For
- Intermediate all-round players looking for a balance of power and control.
- Attacking players who rely on smashes and deep backcourt clears.
- Players seeking strong smash power and stability for singles play (3U).
- Players needing faster handling and quick transitions in doubles (4U).
- Intermediate to advanced players who appreciate a frame capable of tighter tensions, but it still performs well at lower, more forgiving tension setups.