Disciplines wing
The Beluga Black Line Y31 has 4 sizes in the current range, from 85 to 135 L. Its slenderness, 2.26, is greater than that of 3% of the 1,895 current boards that publish a length and a width.
Mount is shown beside each board, never matched on.
| Brand | Board | Volume L | Δ volume | Length mm | Δ length | Slenderness | Mount |
|---|---|---|---|---|---|---|---|
| Vayu | Fly 5'9 | 130 | -3.7% | 1,753 | -0.4% | 2.28 (+0.9%) | — |
| Family | Beluga |
|---|---|
| Model | Beluga Black Line Y31 |
| Size, as the brand prints it | 135 |
| Volume, L | 135 |
| Length, mm | 1,760 (5'9") |
| Width, mm | 780 |
| Thickness, mm | — |
| Weight, kg | 7.6 |
| Slenderness (length ÷ width) | 2.26 |
| Slenderness band | ≤ 2.5 |
| Mount | — |
| Strap inserts | yes |
| Build | — |
| Construction | BLACK Line: precision-molded Super EPS core (18 kg/m3), HEXAgonal Innegra Carbon deck (176 g/m2), 110 g biaxial carbon bottom |
| Disciplines | wing |
| Rider weight | — |
| Rider level | — |
| Model year | — |
| Source | manufacturer · read 2026-10-02 |
Every figure above is the manufacturer's published claim, converted to comparable units.