| Koko | A | B |
|---|---|---|
| JrL | 42 cm | 34 cm |
| JrLS | 40 cm | 34 cm |
| JrLT | 44 cm | 34 cm |
| JrM | 44 cm | 32 cm |
| JrMS | 42 cm | 32 cm |
| JrMT | 48 cm | 32 cm |
| JrS | 42 cm | 30 cm |
| JrSS | 40 cm | 30 cm |
| JrST | 46 cm | 30 cm |
| Koko | A | B |
|---|---|---|
| JrL | 42 cm | 34 cm |
| JrLS | 40 cm | 34 cm |
| JrLT | 44 cm | 34 cm |
| JrM | 44 cm | 32 cm |
| JrMS | 42 cm | 32 cm |
| JrMT | 48 cm | 32 cm |
| JrS | 42 cm | 30 cm |
| JrSS | 40 cm | 30 cm |
| JrST | 46 cm | 30 cm |