Firewire, 2024

Firewire Great White Twin 2024

1727mm long · 5'8"

492mm wide

64mm thick

29.0litres

See similar boards

Open in Studio See it on firewiresurfboards.com

Sizes & Numbers

Listed by the brand, read off a photo, or worked out

In one line

A finer nose than most. A swallow tail, a medium nose and gently curved rails.

derived · against the 146 other surf boards in the atlas, read off the outlines.

As listed by Firewire

Firewire Great White Twin 2024: every size as listed by Firewire
size	length	width	thickness	weight	price
26.3 L	5'6" · 1676 mm	476 mm	60 mm	–	US$980
27.5 L	5'7" · 1702 mm	484 mm	62 mm	–	US$980
29 L	5'8" · 1727 mm	492 mm	64 mm	–	US$980
30.5 L	5'9" · 1753 mm	499 mm	65 mm	–	US$980
32 L	5'10" · 1778 mm	506 mm	67 mm	–	US$980
34 L	5'11" · 1803 mm	513 mm	68 mm	–	US$980
36 L	6'0" · 1829 mm	521 mm	71 mm	–	US$980
37.7 L	6'2" · 1880 mm	533 mm	70 mm	–	US$980
41.2 L	6'4" · 1930 mm	548 mm	73 mm	–	US$1,000
44.3 L	6'6" · 1981 mm	562 mm	75 mm	–	US$1,000

Prices as the Firewire store showed them on 2026-10-27, in its currency · the cheapest version first, every version on hover

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

Which Great White Twin Size for Your Weight?

The Firewire Great White Twin 2024 size each rider would pick, by weight and level

Your weight

kg≈ 165 lb

Your level

75 kg · getting there · look for 33.8–41.3 L

The Great White Twin 37.7 L

4 sizes fall in your range; the 37.7 L is nearest its middle.

Other boards for you

A rule of thumb (0.45 to 0.55 L per kg you weigh), not Firewire’s chart

Every weight and level

Firewire Great White Twin 2024: the size for a rider of 60 to 105 kg, by level
level	60 kg	75 kg	90 kg	105 kg
First sessions0.6 to 0.9 L per kg you weigh	44.3 L	44.3 L · small	too small	too small
Getting there0.45 to 0.55 L per kg you weigh	30.5 L	37.7 L	44.3 L	44.3 L · small
Confident0.38 to 0.45 L per kg you weigh	26.3 L	30.5 L	37.7 L	44.3 L
Expert0.33 to 0.38 L per kg you weigh	too big	26.3 L	32 L	37.7 L

Rules of thumb, not Firewire’s chart · “small” and “big”: the nearest size, just outside the range · How the sizes are worked out · Find your board

Next to your board?

Lay the Firewire Great White Twin 29 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 26.3 L outline · derived

51 %wide point, 857 mm from the tail

3.52length over width

386mm wide 12″ from the tail

6,309cm² of planform

Read off the 27.5 L outline · derived

51 %wide point, 870 mm from the tail

3.51length over width

391mm wide 12″ from the tail

6,511cm² of planform

Read off the 29 L outline · derived

51 %wide point, 883 mm from the tail

3.51length over width

395mm wide 12″ from the tail

6,716cm² of planform

Read off the 30.5 L outline · derived

51 %wide point, 896 mm from the tail

3.52length over width

399mm wide 12″ from the tail

6,903cm² of planform

Read off the 32 L outline · derived

51 %wide point, 909 mm from the tail

3.51length over width

404mm wide 12″ from the tail

7,114cm² of planform

Read off the 34 L outline · derived

51 %wide point, 922 mm from the tail

3.52length over width

407mm wide 12″ from the tail

7,307cm² of planform

Read off the 36 L outline · derived

51 %wide point, 934 mm from the tail

3.51length over width

412mm wide 12″ from the tail

7,524cm² of planform

Read off the 37.7 L outline · derived

51 %wide point, 960 mm from the tail

3.52length over width

419mm wide 12″ from the tail

7,922cm² of planform

Read off the 41.2 L outline · derived

51 %wide point, 986 mm from the tail

3.52length over width

427mm wide 12″ from the tail

8,354cm² of planform

Read off the 44.3 L outline · derived

51 %wide point, 1012 mm from the tail

3.53length over width

435mm wide 12″ from the tail

8,797cm² of planform

Rocker of the 26.3 L · scaled from the 29 L measured

71 mmtail rocker, at the tip

31 mm12″ from the tail

45 mm12″ from the nose

121 mmnose rocker, at the tip

318 mmflat to within 3 mm, from 39 % to 58 % of the length

45 %of the length to the lowest point, from the tail

75 mmat its thickest, 50 % from the tail

20 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 27.5 L · scaled from the 29 L measured

72 mmtail rocker, at the tip

32 mm12″ from the tail

47 mm12″ from the nose

123 mmnose rocker, at the tip

321 mmflat to within 3 mm, from 40 % to 58 % of the length

45 %of the length to the lowest point, from the tail

77 mmat its thickest, 50 % from the tail

20 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 29 L · measured

73 mmtail rocker, at the tip

33 mm12″ from the tail

48 mm12″ from the nose

125 mmnose rocker, at the tip

325 mmflat to within 3 mm, from 40 % to 58 % of the length

45 %of the length to the lowest point, from the tail

79 mmat its thickest, 50 % from the tail · on the photo; Firewire lists 64 mm

21 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 30.5 L · scaled from the 29 L measured

74 mmtail rocker, at the tip

34 mm12″ from the tail

49 mm12″ from the nose

127 mmnose rocker, at the tip

328 mmflat to within 3 mm, from 40 % to 58 % of the length

45 %of the length to the lowest point, from the tail

81 mmat its thickest, 50 % from the tail

21 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 32 L · scaled from the 29 L measured

76 mmtail rocker, at the tip

35 mm12″ from the tail

51 mm12″ from the nose

129 mmnose rocker, at the tip

331 mmflat to within 3 mm, from 40 % to 58 % of the length

45 %of the length to the lowest point, from the tail

83 mmat its thickest, 50 % from the tail

21 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 34 L · scaled from the 29 L measured

77 mmtail rocker, at the tip

36 mm12″ from the tail

52 mm12″ from the nose

131 mmnose rocker, at the tip

334 mmflat to within 3 mm, from 40 % to 58 % of the length

45 %of the length to the lowest point, from the tail

85 mmat its thickest, 50 % from the tail

22 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 36 L · scaled from the 29 L measured

78 mmtail rocker, at the tip

37 mm12″ from the tail

54 mm12″ from the nose

132 mmnose rocker, at the tip

338 mmflat to within 3 mm, from 40 % to 58 % of the length

45 %of the length to the lowest point, from the tail

89 mmat its thickest, 50 % from the tail

22 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 37.7 L · scaled from the 29 L measured

80 mmtail rocker, at the tip

39 mm12″ from the tail

57 mm12″ from the nose

136 mmnose rocker, at the tip

344 mmflat to within 3 mm, from 40 % to 58 % of the length

45 %of the length to the lowest point, from the tail

87 mmat its thickest, 50 % from the tail

23 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 41.2 L · scaled from the 29 L measured

82 mmtail rocker, at the tip

41 mm12″ from the tail

60 mm12″ from the nose

140 mmnose rocker, at the tip

351 mmflat to within 3 mm, from 40 % to 58 % of the length

45 %of the length to the lowest point, from the tail

91 mmat its thickest, 50 % from the tail

23 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 44.3 L · scaled from the 29 L measured

84 mmtail rocker, at the tip

43 mm12″ from the tail

63 mm12″ from the nose

144 mmnose rocker, at the tip

358 mmflat to within 3 mm, from 40 % to 58 % of the length

45 %of the length to the lowest point, from the tail

93 mmat its thickest, 50 % from the tail

24 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 Firewire's photo of the 29 L. Tail end set by Firewire's photo convention, not checked by a person.