Fast Bobby · Foilboards · Armstrong · discontinued

Armstrong Midlength FG 85L 6'5

View on Armstrong (opens in a new tab)

Build hard Disciplines prone, wing discontinued

The Midlength FG has 7 sizes on record, discontinued sizes included, from 38 to 100 L. Its slenderness, 3.71, is greater than that of 81% 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 Armstrong Midlength FG 85L 6'5, closest first.
BrandBoardVolume LΔ volumeLength mmΔ lengthSlendernessMount
F4 FoilsJulitta Board 85L 6'5.0" x 21.0" 5.2"85+0.0%1,956+0.0%3.67 (-1.1%)—
AK Durable Supply CoNomad v2 Active Carbon 85L85+0.0%1,956+0.0%3.75 (+1.2%)—
StarboardNomad 6'5" x 20.5" 5.1" 85L85+0.0%1,956+0.0%3.75 (+1.2%)twin-track
KalamaGator Compact Performance 6’4” x 20.5" (90L)90+5.9%1,930-1.3%3.70 (-0.2%)—
KT FoilingSuper K 2 Drive Pro Carbon 9090+5.9%1,928-1.4%3.67 (-1.2%)twin-track

Specifications

Every figure is Armstrong'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.
FamilyMidlength
ModelMidlength FG
Size, as the brand prints it85L 6'5
Volume, L85
Length, mm1,956 (6'5")
Width, mm527
Thickness, mm124
Weight, kg—
Slenderness (length ÷ width)3.71
Slenderness band3.0–4.0
Mount—
Strap inserts—
Buildhard
Constructiondual i-beam carbon stringers, carbon fiber foil tracks
Disciplinesprone, wing
Rider weight—
Rider level—
Model yeardiscontinued
Sourcemanufacturer · read 2026-10-02

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

All Armstrong boards · Armstrong on the Board Map · All foilboards