Amos Cypher Surf SUP 7'8" 21" 6" 125L

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Mount twin-track Disciplines sup, downwind, wing, parawing

The Cypher Surf SUP has 3 sizes in the current range, from 95 to 125 L. Its slenderness, 4.38, is greater than that of 89% 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 Amos Cypher Surf SUP 7'8" 21" 6" 125L, closest first.
BrandBoardVolume LΔ volumeLength mmΔ lengthSlendernessMount
F-OneROCKET FREE DOWNWIND 7'8124-0.8%2,337+0.0%4.38 (+0.0%)twin-track
StarboardAce Foil 7'7" x 21"120-4.0%2,311-1.1%4.34 (-1.1%)twin-track
StarboardAce Foil 7'7" x 21" 120L C D2120-4.0%2,311-1.1%4.33 (-1.3%)twin-track

Specifications

Every figure is Amos'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.
FamilyCypher
ModelCypher Surf SUP
Size, as the brand prints it7'8" 21" 6" - 125L
Volume, L125
Length, mm2,337 (7'8")
Width, mm533
Thickness, mm152
Weight, kg—
Slenderness (length ÷ width)4.38
Slenderness band4.0–5.0
Mounttwin-track
Strap inserts—
Build—
Constructioncarbon vacuum bag construction, EPS foam, epoxy resins
Disciplinessup, downwind, wing, parawing
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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