Gosen
AK Pro CX
Umishima structured monofilament surrounded by heat resistant polyamide fibers with CX composite micro fiber
String brand
5 Gosen strings rated for junior players: polyester, multifilament, synthetic gut. Japan, since 1951.
Gosen Co., Ltd. was established in 1951 in Japan and made history in 1954 by developing the world's first synthetic racket string. Originally a fishing line manufacturer, Gosen expanded into racket sports and became one of the first companies to have strings approved by both the International Tennis Federation and International Badminton Federation. Tennis legends Rod Laver, Jimmy Connors, Chris Evert Lloyd, Jim Courier, and Anna Kournikova have used Gosen strings. The OG-Sheep Micro, born in 1981, has stood the test of time as a favorite among value-conscious players.
Brand facts verified 2025-01. Official site: gosen.jp/eng.
Gosen
Umishima structured monofilament surrounded by heat resistant polyamide fibers with CX composite micro fiber
Gosen
High-purity co-polyester monofilament with silicone oil coating for snapback and longevity
| String | Type | Power | Spin | Control | Comfort | Durability | Arm | Set price |
|---|---|---|---|---|---|---|---|---|
| AK Pro CX | Multifilament | 7 | 7 | 8 | 8 | 6 | 4/5 | $12–16 |
| G-Tour 3 | Polyester | 5 | 8 | 9 | 7 | 8 | 3/5 | $9–10 |
| OG-Sheep Micro | Synthetic gut | 7 | 5 | 6 | 7 | 6 | 4/5 | $4–6 |
| Polylon | Polyester | 4 | 8 | 9 | 5 | 9 | 2/5 | $2–4 |
| Sidewinder | Polyester | 7 | 8 | 8 | 8 | 7 | 4/5 | $14–15 |
Ratings are on a 1–10 scale; arm friendliness on a 1–5 scale.
In our database it is Gosen AK Pro CX, with an arm-friendliness score of 4/5 and comfort 8/10. 3 Gosen strings score 4 or 5 for arm friendliness.
Gosen G-Tour 3, with a spin rating of 8/10 and control 9/10. It is recommended from age 13.
Typical retail for a single set runs from $2 to $16 across the 5 Gosen strings we cover. Reels lower the cost per restring.
It depends on the string. The youngest recommended age across Gosen's range is 8. Check each string's minimum age, arm score and junior tension advice before you buy.