Amundson Fire Bolt Tow 4'6" x 16" 20 Liters

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Mount twin-track Disciplines tow, wake

The Fire Bolt Tow has 2 sizes in the current range, from 19 to 20 L. Its slenderness, 3.38, is greater than that of 70% 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 4.4× the tolerance.

The current boards from other brands nearest the Amundson Fire Bolt Tow 4'6" x 16" 20 Liters, 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
The Carbon CoBlend-r foil drive trench board 4'10 x 18 1/2 25L25+25.0%1,473+7.4%3.13 (-7.3%)other
KetosKronos Freerace18-10.0%1,300-5.2%3.10 (-8.4%)twin-track
AmosKrUzer V2 Pro 4'9" 18 1/2" 2" 23L23+15.0%1,448+5.5%3.08 (-8.8%)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.
FamilyFire Bolt
ModelFire Bolt Tow
Size, as the brand prints it4'6" x 16" - 20 Liters
Volume, L20
Length, mm1,372 (4'6")
Width, mm406
Thickness, mm—
Weight, kg—
Slenderness (length ÷ width)3.38
Slenderness band3.0–4.0
Mounttwin-track
Strap insertsyes
Build—
Constructionvacuum carbon / Inegra weave, high density EPS core, PVC foam plate
Disciplinestow, wake
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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