Amundson Uncle Nubby V2 4'6" x 21" 50 Liters

50volume, L
1,372length, mm
533width, mm
2.57slenderness

Mount twin-track Disciplines prone, wing, downwind, wake, pump

The Uncle Nubby V2 has 3 sizes in the current range, from 50 to 62 L. Its slenderness, 2.57, is greater than that of 25% 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 Uncle Nubby V2 4'6" x 21" 50 Liters, closest first.
Brand	Board	Volume L	Δ volume	Length mm	Δ length	Slenderness	Mount
Takuma	CK Carbon 50L	50	+0.0%	1,372	+0.0%	2.54 (-1.3%)	twin-track

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.
Family	Uncle Nubby
Model	Uncle Nubby V2
Size, as the brand prints it	4'6" x 21" - 50 Liters
Volume, L	50
Length, mm	1,372 (4'6")
Width, mm	533
Thickness, mm	—
Weight, kg	—
Slenderness (length ÷ width)	2.57
Slenderness band	2.5–3.0
Mount	twin-track
Strap inserts	yes
Build	—
Construction	full carbon top and bottom, carbon/Inegra patch over mast track assembly, high density EPS core
Disciplines	prone, wing, downwind, wake, pump
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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