FX JR 21 [2026]
FX JR 21 [2026]
A comfortable first step into tennis
The Dunlop FX JR 21 is a lightweight aluminium junior racquet for children aged 4–6. It is easy to swing and forgiving on contact, helping young players develop coordination and confidence while learning the game.
- Length: 21 in
- Head size: 83 sq in
- Weight: 200 g
- String pattern: 16 × 18
- Beam: 19 mm
- Material: Aluminium
- Pre-strung with Dunlop S-Gut
Recommended age: 4–6. See our junior racquet sizing guide for help choosing the right length.
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Return Window: 21 days after product delivery (typically).
Please review the Return & Exchange Policy for specific details.
How do shoe sizes work?
Shoe sizes are listed in U.S. sizing. Men’s shoes are listed as US M, and women’s shoes are listed as US W. For example, US M 10 means U.S. men’s size 10, while US W 10 means U.S. women’s size 10. Please check the size shown on the product page before ordering.
Where can I find the Nike size guide?
You can review Nike’s official size guides for footwear and apparel before ordering. Nike provides separate size charts for men’s footwear, women’s footwear, kids’ footwear, and apparel sizing. For the most accurate fit, compare your measurements with the relevant Nike size chart before purchasing. Nike’s official size guides are available here: Size Guide