Gong, 2020

Surf Chemical EPS 2020

1745mm long · 5'9"

472mm wide

57mm thick

25litres

Open in Studio See it on gong-galaxy.com

Sizes & Numbers

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

In one line

A finer nose than most. A rounded pin tail, a pointed nose and curvy rails.

derived · against the 109 other surf boards in the atlas, read off the outlines.

As listed by Gong

Gong Surf Chemical EPS 2020: every size as listed by Gong
size	length	width	thickness	weight
21 L	160.1cm · 1601 mm	438 mm	56 mm	–
23 L	167.6cm · 1676 mm	459 mm	56 mm	–
25 L	174.5cm · 1745 mm	472 mm	57 mm	–
32 L	182.8cm · 1828 mm	495 mm	65 mm	–
37 L	192.5cm · 1925 mm	514 mm	70 mm	–
45 L	203.4cm · 2034 mm	549 mm	75 mm	–
54 L	218.3cm · 2183 mm	584 mm	79 mm	–

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

Next to your board?

Lay the Gong Surf Chemical EPS 25 L over up to four others, at one scale.

Compare with…

Generations

After it · 2026

The 2026 180.3 × 49.2 cm is 25 mm shorter and 3 mm narrower than the 2020 32 L. Open the 2026

listed length and width

2020 32 L 2026 180.3 × 49.2 cm

The Gong Surf Chemical EPS over time

Shape & Rocker

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

Read off the 21 L outline · derived

46 %wide point, 738 mm from the tail

3.65length over width

358mm wide 12″ from the tail

5,366cm² of planform

Read off the 23 L outline · derived

46 %wide point, 772 mm from the tail

3.65length over width

370mm wide 12″ from the tail

5,883cm² of planform

Read off the 25 L outline · derived

46 %wide point, 804 mm from the tail

3.73length over width

372mm wide 12″ from the tail

6,253cm² of planform

Read off the 32 L outline · derived

46 %wide point, 842 mm from the tail

3.69length over width

388mm wide 12″ from the tail

6,927cm² of planform

Read off the 37 L outline · derived

46 %wide point, 887 mm from the tail

3.74length over width

396mm wide 12″ from the tail

7,576cm² of planform

Read off the 45 L outline · derived

46 %wide point, 937 mm from the tail

3.70length over width

415mm wide 12″ from the tail

8,548cm² of planform

Read off the 54 L outline · derived

46 %wide point, 1006 mm from the tail

3.74length over width

430mm wide 12″ from the tail

9,757cm² of planform

Rocker of the 21 L · scaled from the 25 L measured

59 mmtail rocker, at the tip

20 mm12″ from the tail

28 mm12″ from the nose

108 mmnose rocker, at the tip

361 mmflat to within 3 mm, from 38 % to 61 % of the length

48 %of the length to the lowest point, from the tail

63 mmat its thickest, 48 % from the tail

19 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 23 L · scaled from the 25 L measured

62 mmtail rocker, at the tip

22 mm12″ from the tail

31 mm12″ from the nose

113 mmnose rocker, at the tip

370 mmflat to within 3 mm, from 39 % to 61 % of the length

48 %of the length to the lowest point, from the tail

63 mmat its thickest, 48 % from the tail

20 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 25 L · measured

64 mmtail rocker, at the tip

25 mm12″ from the tail

34 mm12″ from the nose

118 mmnose rocker, at the tip

377 mmflat to within 3 mm, from 39 % to 61 % of the length

48 %of the length to the lowest point, from the tail

65 mmat its thickest, 48 % from the tail · on the photo; Gong lists 57 mm

21 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 32 L · scaled from the 25 L measured

67 mmtail rocker, at the tip

27 mm12″ from the tail

38 mm12″ from the nose

124 mmnose rocker, at the tip

386 mmflat to within 3 mm, from 39 % to 60 % of the length

48 %of the length to the lowest point, from the tail

74 mmat its thickest, 48 % from the tail

22 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 37 L · scaled from the 25 L measured

71 mmtail rocker, at the tip

31 mm12″ from the tail

42 mm12″ from the nose

131 mmnose rocker, at the tip

396 mmflat to within 3 mm, from 39 % to 60 % of the length

48 %of the length to the lowest point, from the tail

79 mmat its thickest, 48 % from the tail

23 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 45 L · scaled from the 25 L measured

75 mmtail rocker, at the tip

35 mm12″ from the tail

48 mm12″ from the nose

139 mmnose rocker, at the tip

407 mmflat to within 3 mm, from 40 % to 60 % of the length

48 %of the length to the lowest point, from the tail

84 mmat its thickest, 48 % from the tail

25 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 54 L · scaled from the 25 L measured

81 mmtail rocker, at the tip

40 mm12″ from the tail

55 mm12″ from the nose

150 mmnose rocker, at the tip

422 mmflat to within 3 mm, from 40 % to 59 % of the length

48 %of the length to the lowest point, from the tail

90 mmat its thickest, 48 % from the tail

26 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 · Measured on Gong's photo of the 25 L. Tail end set by Gong's photo convention, not checked by a person.