Astrox 33
Model AX-33
Price history
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Astrox 33: Yonex Japan’s “My First Racquet”, a soft 5U Astrox made in Japan
Yonex’s “My First Racquet”
Yonex Japan announced the Astrox 33 on September 15, 2020 under the headline “My First Racquet”: a racquet aimed mainly at junior-high and high-school students who had just taken up badminton. It went on sale in late October 2020 under item code AX33, made in Japan, at ¥14,000 before tax. It is a full-size racquet in the 5U class (average 78 g), not a junior model, and it brought the Astrox series’ Rotational Generator System to beginners. Yonex Japan still lists it in 2026; no Yonex USA catalog and no list on Yonex’s global site has carried it.
Soft by design
Yonex wrote that the 33’s shaft and frame were designed soft to match a beginner’s swing speed, so the shuttle stays on the strings longer and travels farther, and that the lower overall weight made the racquet easier to handle. Its product page sums up the brief as 軽さと柔らかさを追求, the pursuit of lightness and softness. The frame is high-strength carbon with tungsten, the shaft carbon with Namd, the carbon-nanotube material developed by Nitta, joined by a built-in T-joint. Yonex also lists the Aero+Box shape, a new grommet pattern, Solid Feel Core, a Super Slim Shaft and the Control Support Cap. The frame is 10 mm longer than standard, grips come in sizes 5 and 6, and Yonex recommends 18–23 lb. Yonex prints no flex rating, but the balance gauge in its 2024–2026 Japanese catalogs places the 33 on the head-heavy side.
No player on record
No player is documented using the Astrox 33. The release cites Kento Momota, then world No. 1, only as one of the top players who trust the Astrox series; it names no user of this model. Yonex Japan’s level chart gives it its top mark (◎) for beginners, men and women, and for intermediate women, a lower mark (○) for intermediate men, and leaves the advanced column blank.
One color, Earth
Yonex has sold the 33 in a single color, Earth (アース), from launch to its 2026 catalog and product list, with no limited edition. The release explains the graphic: a design built on the then-fashionable “chromatic aberration” effect, made eye-catching so that many students would pick it up as their first racquet. Its nearest namesake is unrelated: the Duora 33, a 4U Duora of 2018 with its own page. Within the Astrox line the 33 sits below the Astrox 55 A, also 5U, Japan-made and 10 mm longer, which adds Volume Cut Resin and Ultra PE Fiber and is rated for intermediate players. Below the 33, since 2024, sits the Astrox 11 (AX11), a Taiwan-made, head-heavy 4U frame in Black/Green that Yonex Japan rates for beginners only; it has its own page.
Still on Yonex Japan’s list
The 33 is in production. It joined Yonex Japan’s Astrox list in September 2020 beside the 2018 Astrox 55, pitched at teenage players, and the 2F Astrox 00; both have since left, and the 55’s place went to the 55 A. Yonex Japan’s product pages of 2021 and 2023 showed ¥15,400 including tax, the launch price plus 10% tax. Its 2024, 2025 and 2026 catalogs carry the 33, and its product list still showed it in Earth on October 7, 2026, beside the 55 A, 70 and 22 RX. It remains a Japan-only model: Yonex USA’s 2021 and 2024 catalogs omit it, so outside Japan it turns up mainly as an import. No verified sales are recorded yet.
Mix-ups, not fakes
No counterfeit of the Astrox 33 is documented. The likelier confusion is with Yonex Japan’s other 5U Astroxes: the 2018 Astrox 55 and the 2022 Astrox 55 A match the 33 in weight, length and origin. The item code, the Earth finish and the materials separate them. The 33 even takes the same dedicated grommet set as the 55, AC416AXA, while the 55 A has its own. A listing that calls it a Duora has the wrong series.
A first racquet with the series’ system
Six years after launch the 33 still fills the place Yonex Japan made for it: a light, soft Astrox for students starting out, built in Japan with the series’ weight distribution and a Namd shaft. It is a standard racquet in one color, with no limited edition and no documented player, so its interest is practical rather than collectible. Yonex has announced no successor.
Yonex’s item code is AX33. Check for the Earth finish, a Made in Japan marking, a 5U label (average 78 g, grip 5 or 6) and a frame 10 mm longer than standard. Yonex lists high-strength carbon and tungsten in the frame, carbon and Namd in the shaft, a built-in T-joint and the Control Support Cap. Yonex Japan’s dedicated grommet set for it is AC416AXA. A Light Silver or Shine Pink frame coded AX55 is the 2018 Astrox 55, a Shine Purple or Champagne frame coded AX55A is the 55 A, and DUO33 is the Duora 33.
This is a current racquet, so most buyers will find it new in Japan or as an import. Yonex recommends 18–23 lb and suggests BG65 Titanium for hard hitters and Nanogy 98 for control players. For a used frame, confirm the AX33 code and the Earth finish, and ask for daylight photographs of the shaft markings, the head and the frame-shaft joint. Its interest is as one of Yonex Japan’s two beginner Astroxes, with the Astrox 11, not any professional record.