Mount twin-track Disciplines wing, parawing, prone, efoil
The Chase WB-ML has 5 sizes in the current range, from 55 to 115 L. Its slenderness, 3.68, is greater than that of 81% of the 1,895 current boards that publish a length and a width.
No current board from another brand is within ±7% of volume and ±2% of length, and ±2% of slenderness where both publish a width of this one.
None of these is within the tolerances above: each misses on volume, length or slenderness by up to 1.3× the tolerance.
| Brand | Board | Volume L | Δ volume | Length mm | Δ length | Slenderness | Mount |
|---|---|---|---|---|---|---|---|
| Starboard | Above 5'6" x 18" 59L (Blue Carbon) | 59 | +7.3% | 1,676 | -1.5% | 3.64 (-1.1%) | — |
| Appletree | Midlength V2 5'7'' (57L) | 57 | +3.6% | 1,702 | +0.0% | 3.61 (-2.1%) | twin-track |
| RRD | Dolphin ML Orange Line Y31 55 | 55 | +0.0% | 1,700 | -0.1% | 3.78 (+2.5%) | — |
| Family | Chase WB-ML |
|---|---|
| Model | Chase WB-ML |
| Size, as the brand prints it | WB-ML 55 |
| Volume, L | 55 |
| Length, mm | 1,702 (5'7") |
| Width, mm | 462 |
| Thickness, mm | — |
| Weight, kg | 4.0 |
| Slenderness (length ÷ width) | 3.68 |
| Slenderness band | 3.0–4.0 |
| Mount | twin-track |
| Strap inserts | yes |
| Build | — |
| Construction | full sandwich |
| Disciplines | wing, parawing, prone, efoil |
| 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.
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