Duotone, 2026

Spike CB 2026

1530mm long · 5'0"

465mm wide

≈ 14mm thick · a guess

–litres

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 square tail, a full nose and parallel rails.

derived · against the 76 other kite twintip boards in the atlas, read off the outlines.

As listed by Duotone

Duotone Spike CB 2026: every size as listed by Duotone
size	length	width	thickness	weight
153 × 46.5 cm	153 cm · 1530 mm	465 mm	≈ 14 mm · a guess	3.6 kg
164 × 47.5 cm	164 cm · 1640 mm	475 mm	≈ 14 mm · a guess	3.8 kg

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

Next to your board?

Lay the Duotone Spike CB 153 × 46.5 cm 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 153 × 46.5 cm outline · derived

63 %wide point, 969 mm from the tail

3.29length over width

439mm wide 12″ from the tail

6,628cm² of planform

Read off the 164 × 47.5 cm outline · derived

63 %wide point, 1038 mm from the tail

3.45length over width

444mm wide 12″ from the tail

7,246cm² of planform

Rocker of the 153 × 46.5 cm · borrowed (≈), estimated

≈ 56 mmtail rocker, at the tip

≈ 19 mm12″ from the tail

≈ 18 mm12″ from the nose

≈ 54 mmnose rocker, at the tip

≈ 356 mmflat to within 3 mm, from 39 % to 62 % of the length

50 %of the length to the lowest point, from the tail

≈ 14 mmat its thickest, 55 % from the tail

≈ 8 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 164 × 47.5 cm · scaled from the 153 × 46.5 cm, borrowed (≈), estimated

≈ 60 mmtail rocker, at the tip

≈ 22 mm12″ from the tail

≈ 21 mm12″ from the nose

≈ 58 mmnose rocker, at the tip

≈ 367 mmflat to within 3 mm, from 39 % to 62 % of the length

50 %of the length to the lowest point, from the tail

≈ 14 mmat its thickest, 55 % from the tail

≈ 8 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 · drawn hollow: no usable side photo of this board · shaded: the middle 80 % of its group · No usable side photo of this board: the median of 20 twintip boards from 16 product lines. Tail ends set by rule, Claude or a brand convention on their photos, none checked by a person. · estimated