Nanoflare 700
Model NF-700 · Carolina Marin, Ratchanok Intanon
Price history
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Nanoflare 700: Marín won the China Open with it eight months after a knee injury
Back from a torn knee ligament
In January 2019 Carolina Marín tore a ligament in her right knee during the Indonesia Masters final and had to retire from the match. She returned that September at the Vietnam Open, and the following week, on September 22, she won the China Open, a Super 1000 event, beating Tai Tzu-ying 14–21, 21–17, 21–18. Yonex Japan’s headline named the racquet in her hand, the Nanoflare 700, and quoted her: she had known it would be a hard match and had concentrated on staying calm to the end. It was her second straight China Open title, the first having come in 2018 on the Duora Z-Strike. The 700 had been on sale for six months, and Yonex kept listing it as her racquet into 2023.
Sonic Flare and a 5U head-light frame
Yonex announced the Nanoflare 700 on January 15, 2019, and released it worldwide on March 1 as the lead model of a new head-light series, launched alongside the Nanoflare 370 Speed, 270 Speed and 170 Light and a junior racquet. Yonex called it the first racquet with its Sonic Flare System: high-modulus Super HMG carbon at the top of the frame and Toray’s new M40X fiber along the bottom, for a stable but lively head. Yonex Japan’s release said the 700 broke the 4U (average 83 g) limit of its head-light racquets by reaching 5U (average 78 g); worldwide, its three launch siblings came in 5U too. Yonex’s machine test claimed 3.1% faster initial shuttle speed and 9% less shock to the hand than an unnamed earlier model. Made in Japan, medium flex, it listed in Japan at ¥23,000 before tax for intermediate and advanced players, women included. Yonex recommends 20–28 lb in 4U and 19–27 lb in 5U.
Intanon, Marín and the doubles players
Ratchanok Intanon had it from launch week. Yonex Japan called it her new racquet at the Germany Open on March 3, 2019, where Akane Yamaguchi beat her 16–21, 21–14, 25–23, and four weeks later she won the India Open with it, 21–15, 21–14 over He Bingjiao, saying it let her hit power shots easily. Wang Chi-lin won the men’s doubles at the same India Open on it. Marín’s run is the longest on Yonex’s lists: after the 2019 China Open come both Bangkok titles of January 2021, the second 21–19, 21–17 over Tai Tzu-ying, and the March 2021 Swiss Open, where she beat P. V. Sindhu in 35 minutes. In mixed doubles Arisa Higashino played it with Yuta Watanabe, retaining the All England title in March 2022, 21–19, 21–19 over Wang Yilyu and Huang Dongping. Yonex’s athlete page still showed the 700 for Marín in mid-April 2023 and the Nanoflare 1000 Z by early June.
Two colors, one gold-leaf edition
Yonex sold the standard 700 in Blue Green and Red, in 4U and 5U. By 2022 Yonex Japan’s page named the colors Cyan and Magenta, with no release announcing a new design. In July 2020 Yonex Japan added a limited Black/Black Trim design inspired by gold-leaf lacquerware, in 5U and 4U with a matching case, at an open price; Yonex’s global news called it a one-time production. The stiffer Nanoflare 800 of September 2019 is a separate frame for advanced players that sold alongside the 700 rather than replacing it, and its lighter 800 LT of 2020 also came in 5U. The racquet sold as the Nanoflare 700 since September 2024 is a different product: a Pro, Tour, Game and Play family, launched in Midnight Purple with Silver/Sky Blue also offered on the Tour, Game and Play, which Yonex introduced by saying the original head-light model had gone without an upgrade since 2019. The Pro has its own page.
Five years on sale
The original had a long run. Yonex Japan’s racquet list still carried it in December 2023, beside the 1000 Z and the new 800 Pro, and Yonex’s global product page showed it in stock in July 2024, weeks before the new 700 family was announced. Professionals played it for four seasons, and most surviving examples were bought to play. Verified sales so far are pre-owned frames from Asia resale, and the price panel above lists them. Identity is the main thing to settle when reading listings. Since 2024 the bare name also covers the purple Pro, Tour, Game and Play, and the 2020 black edition is a different object from the standard blue-green and red frames, so a sale of one says nothing about the others.
Fakes and name confusion
No counterfeit specific to the Nanoflare 700 has been documented. Yonex’s current guidance offers one general test, the hologram sticker, and warns that copies are hard to tell from genuine racquets by sight. A Japan-made frame that top players used for four years fits the profile counterfeiters copy, so the general checks apply. The more common mistake is buying the wrong racquet under the right name. The 2024 Pro, Tour, Game and Play reuse “Nanoflare 700,” the 800 shares the family look, and the 800 LT shares the 700’s 5U weight class. The callout lists the details that separate them.
The comfortable Nanoflare
Yonex aimed the 700 at a wider range of players than the 800. Its Japanese suitability grid rated the 700 best for intermediate men and advanced women, and the stiff 800 best for advanced players. Top professionals used it anyway, in singles and doubles. Wang Chi-lin, on Yonex’s lists with it from 2019 through the January 2021 Bangkok tournaments, won the Tokyo 2020 men’s doubles gold with Lee Yang that July; no Yonex equipment list for those Olympics was found, though a racquet-spotting blog working from footage counted him among fourteen 700 users there. Before the 700, Wang had played the Nanoray 900. The 700 was also the racquet of Marín’s middle years, between the Duora Z-Strike of her 2018 world title and the Nanoflare 1000 Z of her last seasons.
Yonex’s item code is NF-700, and the frame should be marked Made in Japan. Yonex lists medium flex and two weight classes: 4U (average 83 g) and 5U (average 78 g), sold in Japan with grips 5 or 6. Standard colors are Blue Green and Red, which Yonex Japan later called Cyan and Magenta; the 2020 limited edition is Black/Black Trim with gold detailing. Yonex lists the frame as high-modulus graphite with M40X and Super HMG, and Yonex Japan’s page marks it 10 mm longer than a standard racquet. A purple “Nanoflare 700,” or any code beginning 2NF-700, is the 2024 family, not this racquet. Yonex’s own test is the hologram sticker, which resists peeling on a genuine frame.
A Japan-made head-light frame from Yonex’s 2019 Nanoflare launch, best known as Carolina Marín’s racquet from her 2019 comeback to early 2023. Confirm which 700 a listing offers before anything else: the original blue-green or red frame, the 2020 black edition, or the purple 2024 family. Ask for photographs of the item code, the Made in Japan marking and the weight class, and treat any claim that a frame was Marín’s or another player’s match racquet as unproven without documentation.
Verified prices last updated Sep 2026. All data based on tracked secondary market transactions.