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GONG SUP Foil Board Biggy EPS Pro 8'9

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Mount twin-track Build hard Disciplines downwind, parawing, sup 2025

The SUP Foil Board Biggy EPS Pro has 4 sizes on record, discontinued sizes included, from 125 to 155 L. Its slenderness, 4.60, is greater than that of 91% of the 1,895 current boards that publish a length and a width.

Closest boards from other brands

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.

The nearest current boards

None of these is within the tolerances above: each misses on volume, length or slenderness by up to 2.3× the tolerance.

The current boards from other brands nearest the GONG SUP Foil Board Biggy EPS Pro 8'9, closest first. None is within ±7% of volume and ±2% of length, and ±2% of slenderness where both publish a width.
BrandBoardVolume LΔ volumeLength mmΔ lengthSlendernessMount
Loco SurfingLoco Downwind Hydrofoil Board 8'6''145-6.5%2,591-2.8%——
Jimmy LewisTwisted V 8'6'' x 22" (JL Carbon Construction)135.5-12.6%2,591-2.8%4.64 (+0.8%)—
TakumaRise 130L130-16.1%2,642-0.9%4.46 (-3.1%)—

Specifications

Every figure is GONG's own, read from the source linked in the last row, converted to millimetres and kilograms where the brand prints inches or pounds. Slenderness is computed here, length ÷ width.
FamilyBiggy
ModelSUP Foil Board Biggy EPS Pro
Size, as the brand prints it8'9
Volume, L155
Length, mm2,667 (8'9")
Width, mm580
Thickness, mm155
Weight, kg8.2
Slenderness (length ÷ width)4.60
Slenderness band4.0–5.0
Mounttwin-track
Strap inserts—
Buildhard
ConstructionEPS Pro
Disciplinesdownwind, parawing, sup
Rider weight—
Rider level—
Model year2025
Sourcemanufacturer · read 2026-10-02

Every figure above is the manufacturer's published claim, converted to comparable units.

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