Patrik Chase WB-ML 70

70volume, L
1,791length, mm
478width, mm
3.75slenderness

Mount twin-track Disciplines wing, parawing, prone, efoil

The Chase WB-ML has 5 sizes in the current range, from 55 to 115 L. Its slenderness, 3.75, is greater than that of 82% 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 Patrik Chase WB-ML 70, closest first.
Brand	Board	Volume L	Δ volume	Length mm	Δ length	Slenderness	Mount
F-One	ROCKET WING MIDLENGTH 5'10	72	+2.9%	1,780	-0.6%	3.79 (+1.1%)	twin-track
Appletree	Midlength V2 5'10'' (67L)	67	-4.3%	1,778	-0.7%	3.68 (-1.8%)	twin-track
Slingshot	Project Drag Board 72 L	72	+2.9%	1,778	-0.7%	3.68 (-1.8%)	twin-track, tuttle

Specifications

Every figure is Patrik'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	Chase WB-ML
Model	Chase WB-ML
Size, as the brand prints it	WB-ML 70
Volume, L	70
Length, mm	1,791 (5'11")
Width, mm	478
Thickness, mm	—
Weight, kg	4.5
Slenderness (length ÷ width)	3.75
Slenderness band	3.0–4.0
Mount	twin-track
Strap inserts	yes
Build	—
Construction	full sandwich
Disciplines	wing, parawing, prone, efoil
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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