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Fonte: Rythmoon
Updated on 2026-10-05
Version · 6 optionsUS Open Junior 21Change
The Wilson US Open Junior 21 is a 21 inch (53.3 cm) kids' racquet, made of AirLite aluminum, with a 594 cm² (about 92 in²) head, 186 g unstrung, a 268 mm balance unstrung, a 19 mm profile and a 16x18 string pattern. It is light and durable, for young players starting out in tennis, and recommended for children 100 to 115 cm in height, aged 4 to 6, who want to develop their game.
Key specs
Full specs- Weight unstrung
- 186 g
- Head size
- 92.1 in²
- String pattern
- 16x18
- Length
- 21 in
- Balance point
- 268 mm
- Frame thickness
- 19 mm
LevelsBeginner
Offers
1 offer
| Store | Reference price | Updated | Go to store |
|---|---|---|---|
| Amazon | Price shown at the store | – | See price at Amazon |
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Price history
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Strengths and watch-outs
Pros
- 186 g unstrung: light for children
- AirLite aluminum: light and durable
- 21 in length: proportional to children 100 to 115 cm
Cons
- Short range of use: recommended for children aged 4 to 6
- Aluminum frame: designed for those just starting out
- Ideal for
- Children 100 to 115 cm in height, aged 4 to 6
- Levels
- Beginner
Specs
| Weight unstrung | 186 g | Medium confidence |
|---|---|---|
| Weight strung | No data | Medium confidence |
| Head size | 92.1 in² | Medium confidence |
| Length | 21 in | Medium confidence |
| Balance point | 268 mm | Medium confidence |
| Swingweight | No data | Medium confidence |
| Stiffness (RA) | No data | Medium confidence |
|---|---|---|
| String pattern | 16x18 | Medium confidence |
| Frame thickness | 19 mm | Medium confidence |
| Material | Aluminum (AirLite) | Medium confidence |
| Recommended tension | No data | Medium confidence |
| Grip sizes | No data | Medium confidence |
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