Mount twin-track Build hard Disciplines pump 2026
The Pump Foil Board Donut HDCC has 3 sizes in the current range, from 7 to 9 L. Its slenderness, 2.13, is greater than that of 1% 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 2.2× the tolerance.
| Brand | Board | Volume L | Δ volume | Length mm | Δ length | Slenderness | Mount |
|---|---|---|---|---|---|---|---|
| AFS | Dock-star DOCK STAR | 7 | -4.1% | 830 | +2.5% | 2.16 (+1.1%) | — |
| Takoon | Pump Carbon 80 | 7 | -4.1% | 800 | -1.2% | 2.05 (-3.8%) | twin-track |
| Sroka | Pump Board 80 V2 | 6.2 | -15.1% | 800 | -1.2% | 2.05 (-3.8%) | twin-track |
| Family | Donut |
|---|---|
| Model | Pump Foil Board Donut HDCC |
| Size, as the brand prints it | 81 |
| Volume, L | 7.3 |
| Length, mm | 810 (2'8") |
| Width, mm | 380 |
| Thickness, mm | 30 |
| Weight, kg | 1.6 |
| Slenderness (length ÷ width) | 2.13 |
| Slenderness band | ≤ 2.5 |
| Mount | twin-track |
| Strap inserts | — |
| Build | hard |
| Construction | HDCC |
| Disciplines | pump |
| Rider weight | — |
| Rider level | — |
| Model year | 2026 |
| Source | manufacturer · read 2026-10-02 |
Every figure above is the manufacturer's published claim, converted to comparable units.