Gong, 2025

SUP Alley FSP Pro 2025

2235mm long · 7'4"

640mm wide

97mm thick

75litres

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

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

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

As listed by Gong

Gong SUP Alley FSP Pro 2025: every size as listed by Gong
size	length	width	thickness	weight
65 L	218.4cm · 2184 mm	621 mm	89 mm	–
75 L	223.5cm · 2235 mm	640 mm	97 mm	–
90 L	228.6cm · 2286 mm	670 mm	106 mm	–
100 L	233.7cm · 2337 mm	705 mm	113 mm	–
120 L	246.4cm · 2464 mm	743 mm	119 mm	–
140 L	259.1cm · 2591 mm	781 mm	125 mm	–

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

Next to your board?

Lay the Gong SUP Alley FSP Pro 75 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 65 L outline · derived

53 %wide point, 1154 mm from the tail

3.52length over width

409mm wide 12″ from the tail

10,284cm² of planform

Read off the 75 L outline · derived

53 %wide point, 1181 mm from the tail

3.49length over width

418mm wide 12″ from the tail

10,848cm² of planform

Read off the 90 L outline · derived

53 %wide point, 1208 mm from the tail

3.41length over width

433mm wide 12″ from the tail

11,618cm² of planform

Read off the 100 L outline · derived

53 %wide point, 1235 mm from the tail

3.32length over width

452mm wide 12″ from the tail

12,496cm² of planform

Read off the 120 L outline · derived

53 %wide point, 1302 mm from the tail

3.32length over width

465mm wide 12″ from the tail

13,887cm² of planform

Read off the 140 L outline · derived

53 %wide point, 1369 mm from the tail

3.32length over width

478mm wide 12″ from the tail

15,354cm² of planform

Rocker of the 65 L · scaled from the 75 L measured

75 mmtail rocker, at the tip

31 mm12″ from the tail

63 mm12″ from the nose

161 mmnose rocker, at the tip

493 mmflat to within 3 mm, from 36 % to 58 % of the length

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

106 mmat its thickest, 55 % from the tail

32 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 75 L · measured

77 mmtail rocker, at the tip

32 mm12″ from the tail

66 mm12″ from the nose

165 mmnose rocker, at the tip

500 mmflat to within 3 mm, from 36 % to 58 % of the length

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

116 mmat its thickest, 55 % from the tail · on the photo; Gong lists 97 mm

33 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 90 L · scaled from the 75 L measured

78 mmtail rocker, at the tip

34 mm12″ from the tail

69 mm12″ from the nose

169 mmnose rocker, at the tip

508 mmflat to within 3 mm, from 36 % to 58 % of the length

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

127 mmat its thickest, 55 % from the tail

34 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 100 L · scaled from the 75 L measured

80 mmtail rocker, at the tip

35 mm12″ from the tail

72 mm12″ from the nose

173 mmnose rocker, at the tip

515 mmflat to within 3 mm, from 36 % to 58 % of the length

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

135 mmat its thickest, 55 % from the tail

35 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 120 L · scaled from the 75 L measured

85 mmtail rocker, at the tip

39 mm12″ from the tail

80 mm12″ from the nose

183 mmnose rocker, at the tip

533 mmflat to within 3 mm, from 36 % to 58 % of the length

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

143 mmat its thickest, 55 % from the tail

37 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 140 L · scaled from the 75 L measured

89 mmtail rocker, at the tip

43 mm12″ from the tail

87 mm12″ from the nose

193 mmnose rocker, at the tip

548 mmflat to within 3 mm, from 37 % to 58 % of the length

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

150 mmat its thickest, 55 % from the tail

38 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 75 L. Tail end set by Gong's photo convention, not checked by a person.