Duora 7
Model DUO-7 · Ayaka Takahashi, Christinna Pedersen
Price history
Chart: monthly median of verified pre-owned sales · USD · methodology
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Duora 7: the all-round Duora Ayaka Takahashi credited for her 2016 run
The second Duora
Yonex Japan announced the Duora 7 on February 15, 2016 as the second racquet in its Duora series, for a worldwide release in mid-March. Within weeks it had a headline player. Ayaka Takahashi, who with Misaki Matsutomo won the All England and India Open women’s doubles that spring, appears with the Duora 7 in Yonex’s reports from the India Open on. In September 2016, by then the world’s No. 1 in women’s doubles, she visited Yonex’s Tokyo head office and said that results had come at the All England and elsewhere right after she changed to the Duora 7. Yonex still listed her with it at the Japan Open in July 2019. On Yonex Japan’s list the racquet outlasted every other Duora except the Z-Strike.
Clears on one face, receives on the other
Every Duora uses Yonex’s Dual Optimum System: a box profile on the forehand face and a slimmer aero profile on the backhand face. The Duora 10 of 2015 aimed that design at hard hitters. For the 7, Yonex Japan wrote a different brief. Rallies tend to run long, it said, so the forehand face was tuned to speed up the clear that moves an opponent from side to side, and the backhand face to hold the shuttle an instant longer, so a receive could be placed for height and pace instead of just returned. Yonex credited that hold to a new IC (Impact Charge) Elastomer, a dense polymer blended with the carbon in the frame. Yonex lists a high-modulus graphite frame with Nanometric DR and IC Elastomer and a high-modulus graphite shaft with Ultra PE Fiber; the frame is 10 mm longer than standard. Yonex called it an all-round model for intermediate and advanced players and rated its flex “Stiff/Medium,” a step softer than the stiff Duora 10. It came in 3U and 2U, made in Japan, at ¥23,000 before tax.
Takahashi, Pedersen and a Rio caveat
Yonex’s reports name the Duora 7 for several of 2016’s best women’s doubles players. Takahashi won the Asia Championships and the Indonesia Open with it and reached the Superseries Finals final in Dubai. Denmark’s Christinna Pedersen had it by April, beside Kamilla Rytter Juhl’s Duora 10, and Yonex lists it for her European title, the Yonex Open Japan and Hong Kong Open titles, and the Denmark Open mixed doubles with Joachim Fischer Nielsen. Some finals were Duora 7 against Duora 7. Nitya Krishinda Maheswari and Greysia Polii beat Takahashi and Matsutomo in the Singapore Open final, and Pedersen and Rytter Juhl beat them in Tokyo in September. The two pairs had met in the Rio Olympic final in August, which Takahashi and Matsutomo won. Japan’s Badminton Spirit, in a list compiled with the makers’ help before the medal matches, gave the Duora 7 for Takahashi and Pedersen and a Wilson racquet for Matsutomo. No documented Yonex report names the racquets used in that final.
Red, then Dark Gun
Yonex documents two finishes. The launch frame was red. On June 8, 2018 Yonex Japan announced a Dark Gun redesign for late June, with face-marking accents in white and fluorescent red that it said carried over the original coloring, so the two faces can still be told apart. Yonex Japan listed both colors that summer and only Dark Gun by August 2022. Yonex USA’s 2019 catalog gives the item codes as DUO7 and DUO7DG; its 2021 catalog uses DUO7 alone. Yonex made no player or limited edition of the 7. A “DUO7BP” Japan shop version appears in a single retailer listing and in no documented Yonex or association list. The Duora 6 that followed in September 2016 is a separate model, a Hi-Flex 4U Duora that Yonex aimed at women all-rounders, not a cut-down 7.
Seven years on sale
The Duora 7 was a standard production racquet, made in Japan and sold for about seven years. It stayed in Yonex Japan’s Duora lineup after the 10, the 10 LT, the 8 XP and the 6 had gone: by May 2022 the lineup was the Z-Strike and the 7, and by February 2023 the Z-Strike alone. Yonex’s global site still showed the 7 in stock on February 1, 2023 and had dropped it by late March. Yonex published no production-end notice. Verified sales of the Duora 7 so far come from Asia resale and are almost all pre-owned; the price panel above lists them, and the new figure is an estimate.
Copies and mix-ups
No counterfeit report specific to the Duora 7 has been found, and Yonex published no guide for the model. The useful checks are about consistency with Yonex’s own documentation, listed in the callout. The family makes mix-ups easy. The Duora 10 shares the Japanese origin, the 3U and 2U sizes and the long frame, while the export Duora 88 and 77 share the two-faced head but were made in Taiwan. The model name on the shaft, the flex rating and the finish separate them. Yonex recommends 19–24 lb for the 3U and 20–25 lb for the 2U.
The Duora that stayed
The Duora 7 also lasted on court. Ayako Sakuramoto and Yukiko Takahata of Yonex’s own team played it through 2018: Yonex Japan reported their New Zealand, Canada and Singapore Open titles with it, among seven titles that season. Sakuramoto was still listed with a Duora 7 at the Kumamoto Masters Japan in November 2023, after Yonex had stopped listing the racquet. By then the Duora line itself had been wound down to the Z-Strike (the Duora 10 page tells that part). Among the Duoras, the 7 is the one Yonex built for long rallies rather than outright attack, and its documented record belongs to doubles players.
Yonex’s item code is DUO7 (Yonex USA’s 2019 catalog also lists DUO7DG). The frame should be marked Made in Japan, the shaft is printed “EVEN BALANCE / LONG SIZE” beside the DUORA 7 logo, and the frame is 10 mm longer than standard. Yonex listed 3U (average 88 g) and 2U (average 93 g) with G4 or G5 grips, and no 4U, and rated the flex Stiff/Medium. The documented finishes are red (2016) and Dark Gun (from June 2018), the Dark Gun with white and fluorescent red face markings. Run a finger around the head: one face should have a squared box profile and the other a slimmer aero profile. A Taiwan marking points to a Duora 88 or 77. Yonex’s own guidance: production codes are laser-engraved on the cap above the handle, and a genuine hologram sticker resists lifting.
The Duora 7 is a well-documented standard model rather than a scarce one; its interest lies in its place in the Duora family and its link to Takahashi, Pedersen and Sakuramoto. Buy on condition and identity. Ask for daylight photographs of both head profiles, the shaft prints and the cap above the handle, confirm the DUORA 7 name, the Japan marking and a 3U or 2U label, and look for cracks and repainting. Treat any frame offered as the racquet of the Rio final with care: no Yonex source names it.
Verified prices last updated Sep 2026. All data based on tracked secondary market transactions.