Duotone, 2026

Flow 2026

3048mm long · 10'0"

762mm wide

≈ 121mm thick · medium confidence

146litres

Open in Studio See it on duotonesports.com

Sizes & Numbers

Listed by the brand, read off a photo, or worked out: where every number comes from

In one line

Its width sits further forward. A rounded pin tail, a full nose and gently curved rails.

derived · against the 157 other sup boards in the atlas, read off the outlines.

As listed by Duotone

Duotone Flow 2026: every size as listed by Duotone
size	length	width	thickness	weight
130 L	10'0'' · 3048 mm	737 mm	≈ 112 mm · estimated	8.9 kg
146 L	10'0'' · 3048 mm	762 mm	121 mm · medium confidence	9.8 kg
178 L	10'6'' · 3200 mm	787 mm	≈ 136 mm · estimated	10.4 kg

Every size side by side, tails on one line, one scale

Next to your board?

Lay the Duotone Flow 146 L over up to four others, at one scale.

Compare with…

Shape & Rocker

From above, then from the side, true scale · the chosen size solid, the others dashed

Read off the 130 L outline · derived

58 %wide point, 1772 mm from the tail

4.14length over width

418mm wide 12″ from the tail

18,084cm² of planform

Read off the 146 L outline · derived

58 %wide point, 1772 mm from the tail

3.99length over width

434mm wide 12″ from the tail

18,759cm² of planform

Read off the 178 L outline · derived

58 %wide point, 1860 mm from the tail

4.06length over width

438mm wide 12″ from the tail

20,298cm² of planform

Rocker of the 130 L · scaled from the 146 L, medium confidence

≈ 85 mmtail rocker, at the tip

≈ 47 mm12″ from the tail

≈ 57 mm12″ from the nose

≈ 119 mmnose rocker, at the tip

≈ 664 mmflat to within 3 mm, from 38 % to 59 % of the length

47 %of the length to the lowest point, from the tail

≈ 112 mmat its thickest, 52 % from the tail

≈ 18 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 146 L · medium confidence

≈ 85 mmtail rocker, at the tip

≈ 47 mm12″ from the tail

≈ 57 mm12″ from the nose

≈ 119 mmnose rocker, at the tip

≈ 664 mmflat to within 3 mm, from 38 % to 59 % of the length

47 %of the length to the lowest point, from the tail

≈ 121 mmat its thickest, 52 % from the tail

≈ 18 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 178 L · scaled from the 146 L, medium confidence

≈ 89 mmtail rocker, at the tip

≈ 51 mm12″ from the tail

≈ 62 mm12″ from the nose

≈ 125 mmnose rocker, at the tip

≈ 680 mmflat to within 3 mm, from 38 % to 59 % of the length

47 %of the length to the lowest point, from the tail

≈ 136 mmat its thickest, 52 % from the tail

≈ 19 mmlonger along the bottom curve than flat

Lay this rocker over other boards

True proportions · dots at 10 mm and 12″ in from each tip · bracket: flat to within 3 mm · From Duotone's photo of the Flow Bamboo 10′ x 30″ 146L, a sibling's photo on this page. Tail end set by Claude, not checked by a person. · medium confidence