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Seo Seung Jae Racket, Shoes & String

March 9, 2026
August 29, 2026
Seo Seung Jae professional badminton player from South Korea

Seo Seung Jae

Name
Seo Seung Jae (서승재)
Height
182 cm (5’11”)
Country
South Korea 🇰🇷
Birthday
Sep 4, 1997

Seo Seung Jae’s equipment, including his racket, string, tension, shoes, shuttlecocks, and more (updated regularly for badminton).

Racket

Seo Seung Jae's Yonex Nanoflare 700 Pro badminton racket
Yonex Nanoflare 700 Pro
Buy on eBay
String
BG80
Weight
3U (88g)
Tension
29 lbs (Vertical) / 30 lbs (Horizontal)
Flex
Stiff
Balance
Head Light
Color
Midnight Purple

Shoes

Seo Seung Jae's Yonex Power Cushion 65 Z4 White badminton shoes
Yonex Power Cushion 65 Z4 (White)
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Brand
Yonex
Style
SHB65Z4MEX
Tech
Power Cushion+ & Feather Bounce Foam

String

Seo Seung Jae's Yonex BG80 badminton string
Yonex BG80
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Gauge
0.68 mm
Type
High Polymer Multifilament
Best For
Power & Durability

Other Gear

Shuttlecock Yonex Aerosensa 50 shuttlecock used at BWF events
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Yonex Aerosensa 50
Grip Yonex AC102EX Super Grap overgrip used by Seo Seung Jae
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Yonex Super Grap Overgrip (AC102EX)
Bag Yonex Pro Racquet Bag tournament bag used by Seo Seung Jae
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Yonex Pro Racquet Bag
Apparel Yonex Team Korea match apparel worn by Kim Won Ho
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Yonex Team Korea Apparel

References

  1. [1]Richard Choi. Professional Badminton Player’s Racket, String, Tension, Shoes | Men’s Doubles. YouTube, (1:13). Confirms Seo Seung Jae’s racket, string, tension, and shoes used in competition.
  2. [2]Seo Seung Jae. @seungjae__seo. Instagram. Seo Seung Jae’s Instagram confirms his ongoing Yonex sponsorship and documents the gear he uses in training and competition.

All gear verified from real player sources. Learn more about our research process.

About the author

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Lim How Wei

Lim How Wei is the founder of EquipmentStack.com, a sports enthusiast who has been playing badminton for over a decade. His dedication to the sport goes well beyond the court as he studies past matches, tracks tournaments worldwide, and follows player interviews obsessively. That depth of passion and attention to detail is what inspired him to build the platform.

Beyond badminton, he has tried a wide range of other sports, including pickleball, sport climbing, jiu-jitsu, and many others, giving him a genuine understanding of what athletes need across many different disciplines. He also has a deep passion for music, having spent years following the instruments and gear setups of world-class musicians across genres, from guitarists and pianists to drummers.

Lim is also the founder of followchain.org, an online marketing platform that reached the top 15 websites in the world at its peak and has been cited by major publications including WikiHow, Fast Company, HuffPost, Vice, and the New York Post. One of his articles on the gig economy was quoted by Joe Rogan on This Past Weekend with Theo Von, one of the most popular podcasts in the world.

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