Amundson JohnO SUP 5'6" x 27" 100 Liters

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Mount twin-track Disciplines sup, wing

The JohnO SUP has 3 sizes in the current range, from 100 to 125 L. Its slenderness, 2.44, is greater than that of 13% of the 1,895 current boards that publish a length and a width.

Closest boards from other brands

Mount is shown beside each board, never matched on.

Current boards from other brands within ±7% of volume and ±2% of length, and ±2% of slenderness where both publish a width of the Amundson JohnO SUP 5'6" x 27" 100 Liters, closest first.
BrandBoardVolume LΔ volumeLength mmΔ lengthSlendernessMount
TakumaWing Air 100L100+0.0%1,676+0.0%2.44 (+0.0%)—
Jimmy LewisFlying V2 5'6" (JL Carbon Construction)96-4.0%1,676+0.0%2.44 (+0.0%)—
TakumaCK Carbon 100L100+0.0%1,676+0.0%2.41 (-1.2%)twin-track
RRDBeluga Black Line Y31 9595-5.0%1,660-1.0%2.48 (+1.4%)—
NorthSeek 2026 5ft 5in98-2.0%1,651-1.5%2.45 (+0.4%)twin-track
F-OneROCKET WING 5'5100+0.0%1,650-1.6%2.41 (-1.4%)twin-track
Loco SurfingLoco Wing HydroFoil Board 5'7105+5.0%1,702+1.6%——
MistralSkywave 5'5 95L95-5.0%1,650-1.6%—twin-track
NaishHover Wing Ascend Carbon Ultra 102L 5'7"102+2.0%1,702+1.6%2.43 (-0.5%)twin-track
NaishHover Wing Foil Carbon Ultra 9595-5.0%1,702+1.6%2.44 (-0.2%)twin-track
NaishNimbus 100L 5'7"100+0.0%1,702+1.6%2.48 (+1.6%)—

Specifications

Every figure is Amundson'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.
FamilyJohnO
ModelJohnO SUP
Size, as the brand prints it5'6" x 27" x 100 Liters
Volume, L100
Length, mm1,676 (5'6")
Width, mm686
Thickness, mm—
Weight, kg—
Slenderness (length ÷ width)2.44
Slenderness band≤ 2.5
Mounttwin-track
Strap insertsyes
Build—
Constructionvacuum carbon with Kevlar tape on the rails, high density EPS core, PVC foam plate
Disciplinessup, wing
Rider weight—
Rider level—
Model year—
Sourcemanufacturer · read 2026-10-02

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

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