Archival FCS Fin Data

2023/2024    //   Older Seasons

Essential Series Fins

BASE ” BASE MM DEPTH ” DEPTH MM AREA ” AREA MM SWEEP DEG ° FOIL

Reactor SML (Side)

4.22

107.2

4.41

112.0

14.45

9324

32.0

FLAT

Reactor SML (Ctr)

4.17

105.8

4.30

109.1

13.44

8672

31.0

50/50

Reactor MED (Side)

4.33

110.0

4.53

115.0

15.23

9824

32.0

FLAT

Reactor MED (Ctr)

4.28

108.7

4.41

112.0

14.22

9172

31.0

50/50

Reactor LRG (Side)

4.44

112.8

4.65

117.9

16.00

10324

32.0

FLAT

Reactor LRG (Ctr)

4.39

111.4

4.52

114.8

14.99

9672

31.0

50/50

Performer X-S

4.13

104.8

4.30

109.3

13.26

8554

33.7

IFT

Performer SML

4.25

107.9

4.43

112.4

14.03

9054

33.7

IFT

Performer MED

4.37

110.8

4.55

115.4

14.81

9554

33.7

IFT

Performer LRG

4.48

113.7

4.67

118.4

15.58

10054

33.7

IFT

Performer X-LGE

4.59

116.5

4.78

121.4

16.36

10554

33.7

IFT

Accelerator GROM 

3.95

100.3

4.13

104.7

12.38

7985

33.7

FLAT

Accelerator SML (DI)

4.28

109

4.47

113

14.51

9360

33.7

FLAT

Accelerator MED

4.39

111.5

4.58

116.3

15.28

9860

33.7

FLAT

Accelerator LRG

4.50

114.3

4.70

119.2

16.06

10360

33.7

FLAT

Carver MED

4.47

113.4

4.54

115.3

14.96

9650

37.0

FLAT

Carver LRG

4.58

116.3

4.66

118.2

15.73

10150

37.0

FLAT

Carver X-LRG

4.69

119.0

4.77

121.0

16.51

10650

37.0

FLAT

Reactor (Q-REAR) MED

4.03

102.2

4.40

111.8

12.63

8150

28.5

80/20

Performer (Q-REAR) SML

3.83

97.2

3.99

101.3

11.08

7150

32.4

80/20

Performer (Q-REAR) MED

4.09

103.7

4.26

108.1

12.63

8150

32.4

80/20

Performer (Q-REAR) LRG

4.33

110.0

4.51

114.6

14.18

9150

32.4

80/20

Carver (Q-REAR) SML

3.86

98.0

3.93

99.8

11.07

7140

33.2

50/50

Carver (Q-REAR) MED

4.14

105.0

4.21

106.9

12.63

8150

33.2

50/50

 

H-Series Fins

BASE ”

BASE MM

DEPTH ”

DEPTH MM

AREA ”

AREA MM

SWEEP DEG.

FOIL

H4 SML (CTR)

4.29

108.8

4.49

113.9

13.82

8917

37.2

50/50

H4 SML (SIDE)

4.36

110.6

4.34

110.1

14.29

9221

38.3

FLAT

H4 MED (CTR)

4.40

111.7

4.61

117.0

14.58

9405

37.2

50/50

H4 MED (SIDE)

4.48

113.6

4.45

113.0

15.07

9721

38.3

FLAT

H4 LRG (CTR)

4.52

114.6

4.73

120.0

15.33

9893

37.2

50/50

H4 LRG (SIDE)

4.59

116.5

4.57

115.9

15.84

10221

38.3

FLAT

H4 QUAD

4.09

103.7

4.24

107.5

12.62

8140

31.4

IFT-80/20

 

Athlete Series Fins

BASE ”

BASE MM

DEPTH ”

DEPTH MM

AREA ”

AREA MM

SWEEP DEG.

FOIL

JW GROM

4.10

104.1

4.19

106.4

12.81

8264

35.8

FLAT/BEV

JW MED

4.46

113.1

4.56

115.6

15.13

9763

35.8

FLAT/BEV

JW LRG

4.57

116.0

4.67

118.6

15.91

10262

35.8

FLAT/BEV

FT MED

4.41

111.9

4.54

115.2

14.93

9634

34.8

FLAT/BEV

FT LRG

4.52

114.8

4.66

118.2

15.71

10134

34.8

FLAT/BEV

MF GROM

4.04

102.6

4.20

106.6

12.73

8215

36.0

FLAT/BEV

MF MED

4.35

110.3

4.50

114.3

14.62

9434

36.0

FLAT/BEV

MF LRG

4.49

114.0

4.67

118.5

15.70

10131

36.0

FLAT/BEV

GM X-SML (DI)

4.13

105

4.3

109

13.26

8554

33.7

IFT

GM LRG (DI)

4.48

114

4.67

118

15.58

10054

33.7

IFT

KA GROM

4.15

105.3

4.18

106.0

12.52

8075

34.9

FLAT

KA SML

4.37

111.0

4.41

112.0

13.85

8934

35.1

FLAT

KA MED

4.53

115.0

4.53

115.0

14.73

9500

35.1

FLAT

KA LRG

4.67

118.5

4.70

119.3

15.84

10220

35.1

FLAT

SB SML

4.28

108.6

4.47

113.4

14.51

9360

33.7

FLAT

JF LGE (SIDE) (DI)

4.56

115.9

4.60

116.8

15.49

9999

33.8

FLAT

JF LGE (CTR) (DI)

4.51

114.7

4.53

115.6

15.18

9795

33.8

50/50

SF MED (SIDE)

4.40

111.7

4.55

115.5

15.17

9785

33.3

FLAT

SF MED (CTR)

4.29

109.0

4.50

114.1

14.06

9070

31.0

50/50

Longboard

LB HI X-LRG

4.61

117

4.99

127

16.93

10923

34

FLAT

LB HI X-LRG (Q-REAR)

4.25

108

4.43

112

14.03

9054

33.7

IFT

LB HARLEY SINGLE

4.84

123

5.27

134

18.5

11937

32.1

50/50

SUP

SUP TC (SIDE) (DI)

4.61

117

4.49

114

15.28

9860

33.7

IFT

SUP TC (Q-REAR) (DI)

3.9

99

3.47

88

10.49

6766

32.2

80/20

SUP GL (DI)

3.98

101

4.75

121

14.41

9300

32.5

FLAT

SUP GL (Q-REAR) (DI)

3.64

92

4.13

105

11.03

7115

30.8

50/50

Kite

BW (DI)

4.58

116

4.66

118

15.73

10150

37

FLAT/BEV

 

Shaper Series Fins

BASE ”

BASE MM

DEPTH ”

DEPTH MM

AREA ”

AREA MM

SWEEP DEG.

FOIL

CI UPRIGHT MED

4.39

111.4

4.59

116.4

15.04

9700

30.3

FLAT

CI UPRIGHT LGE

4.50

114.2

4.70

119.3

15.79

10190

30.3

FLAT

JS MED

4.53

115.0

4.53

115.0

15.08

9730

36.1

FLAT

JS LRG

4.61

117.0

4.65

118.0

15.81

10200

36.1

FLAT

JS MED (Q-REAR)

4.01

101.9

4.09

103.8

11.68

7534

33.3

50/50

JS LRG (Q-REAR)

4.18

106.1

4.26

108.0

12.66

8170

33.2

50/50

SUPER MED (SIDE) (DI)

4.47

113

4.54

115

14.96

9650

37

FLAT

SUPER MED (CTR) (DI)

4.35

110

4.42

112

14.2

9160

37

50/50

SUPER MED (Q-REAR) (DI)

4.14

105

4.21

107

12.63

8150

33.2

50/50

SUPER LRG (SIDE) (DI)

4.58

116

4.66

118

15.73

10150

37

FLAT

SUPER LRG (CTR) (DI)

4.47

113

4.54

115

14.96

9650

37

50/50

SUPER LRG (Q-REAR) (DI)

4.33

110

4.51

115

14.18

9150

32.4

80/20

DHD MED (Side)

4.41

112.0

4.57

116.0

15.49

9994

35.4

80/20

DHD MED (Ctr)

4.30

109.3

4.46

113.4

14.25

9195

34.5

50/50

DHD LRG (Side)

4.52

114.6

4.66

118.3

16.12

10400

35.4

80/20

DHD LRG (Ctr)

4.40

111.7

4.56

115.9

14.88

9601

35.4

50/50

DHD (Q-REAR) (DI)

4.09

104

4.26

108

12.61

8135

32.2

80/20

HS MED

4.50

114.1

4.59

116.4

14.97

9656

31.8

CAMBERED

HS LRG

4.61

117.0

4.70

119.4

15.74

10158

31.8

CAMBERED

HS (Q-REAR)

4.14

105.0

4.21

106.9

12.63

8150

33.7

CAMBERED

RUSTY MED (SIDE) (DI)

4.57

116.1

4.51

114.5

15.28

9857

33.9

IFT

RUSTY MED (CTR) (DI)

4.57

116.1

4.51

114.5

15.28

9857

33.9

IFT

FW MED (SIDE) (DI)

4.59

116.6

4.55

115.5

15.68

10117

34.0

FLAT

FW MED (CTR) (DI)

4.44

112.6

4.40

111.6

14.63

9441

34.0

50/50

FW MED(Q-REAR) (DI)

4.08

103.5

4.18

106.1

15.12

9755

31.5

80/20

FW LRG (SIDE) (DI)

4.73

120.0

4.69

119.0

16.63

10728

34.0

FLAT

FW LRG (CTR) (DI)

4.48

113.8

4.44

112.7

14.94

9637

34.0

50/50

FW LGE (Q-REAR) (DI)

4.20

106.7

4.31

109.5

13.11

8461

31.5

80/20

WR LRG (DI)

4.61

117

4.65

118

16.31

10520

33

CAMBERED

WR (Q-REAR) (DI)

4.18

106

4.18

106

13.31

8589

31.7

50/50

SA MED (DI)

4.33

110

4.53

115

14.57

9400

34.7

IFT

SA MED (Q-REAR) (DI)

4.09

104

4.26

108

12.63

8150

32.4

80/20

MB SML

4.19

106.3

4.46

113.2

13.71

8847

32.0

FLAT

MB MED

4.30

109.2

4.59

116.4

14.49

9347

31.7

FLAT

MB LGE

4.41

111.9

4.74

120.3

15.26

9847

32.9

FLAT

MB MED/LRG (Q-REAR)

4.10

104.0

4.26

108.0

12.64

8158

32.4

50/50

AM XS

4.26

108.1

4.26

108.0

13.02

8400

35.5

FLAT

AM SML

4.37

111.0

4.37

111.0

13.71

8846

35.5

FLAT

AM MED (SIDE)

4.57

116.0

4.53

115.0

14.89

9608

36.6

FLAT

AM MED (CTR)

4.33

110.0

4.41

112.0

13.72

8852

35.0

FLAT

AM MED (Q-REAR)

4.10

104.1

4.26

108.0

12.64

8158

32.4

50/50

AM LRG (SIDE)

4.61

117.1

4.69

119.0

15.63

10083

36.3

FLAT

AM LRG (CTR)

4.47

113.5

4.45

113.0

14.68

9469

38.6

50/50

AM LRG (Q-REAR)

4.10

104.1

4.26

108.0

12.64

8158

32.4

50/50

PYZEL MED

4.53

115.0

4.61

117.0

15.21

9813

33.4

FLAT

PYZEL LRG

4.65

118.1

4.73

120.1

16.04

10350

33.5

FLAT

RM TRI-KEEL MED (SIDE) (DI)

4.61

117

4.48

113.7

15.99

10318

33.3

FLAT

RM TRI-KEEL MED (CTR) (DI)

4.61

117

4.01

101.7

14.52

9366

36.7

50/50

RM TRI-KEEL LGE (SIDE) (DI)

4.61

117

4.59

116.5

16.75

10806

33.7

FLAT

RM TRI-KEEL LGE (CTR) (DI)

4.61

117

4.12

104.5

15.3

9868

37.2

50/50

TOKORO MED (CTR)

4.43

112.5

4.44

112.7

14.25

9196

35.2

50/50

TOKORO MED (SIDE)

4.50

114.1

4.50

114.2

14.65

9449

35.2

FLAT

TOKORO LRG (CTR)

4.55

115.5

4.56

115.7

15.03

9696

35.2

50/50

TOKORO LRG (SIDE)

4.61

117.0

4.62

117.2

15.42

9948

35.2

FLAT

SHARPEYE MED

4.48

113.6

4.55

115.4

15.13

9761

34.8

FLAT/BEV

SHARPEYE LRG

4.59

116.5

4.66

118.3

15.91

10263

34.8

FLAT/BEV

CC MED

4.39

111.5

4.58

116.3

15.28

9860

33.7

FLAT

CC MED (Q-REAR)

3.83

97.2

3.99

101.3

11.08

7150

32.4

80/20

CC LRG

4.50

114.3

4.70

119.2

16.06

10360

33.7

FLAT

CC LRG (Q-REAR)

4.09

103.7

4.26

108.1

12.63

8150

32.4

80/20

GL MED

4.21

107.0

4.21

119.7

14.84

9572

31.1

FLAT

GL (Q-REAR)

3.77

95.8

3.74

95.2

9.38

6054

31.4

FLAT

 

Specialty Series Fins

BASE ”

BASE MM

DEPTH ”

DEPTH MM

AREA ”

AREA MM

SWEEP DEG.

FOIL

KEEL

SPLIT KEEL (SIDE)

4.63

117

4.79

121

19.27

12432

44.8

FLAT

SPLIT KEEL (Q-REAR)

4.03

102

4.4

112

12.63

8150

28.5

80/20

MB KEEL (SIDE)

4.63

117

4.79

121

19.27

12432

44.8

FLAT

MB KEEL (Q-REAR)

4.03

102.2

4.40

111.8

12.63

8150

28.5

80/20

MODERN KEEL

4.61

117

5.5

139.5

25.05

16160

39

FLAT/BEV

RETRO KEEL

4.61

117

4.73

120

22.58

14565

47

70/30

CHRISTENSON KEEL

6.38

162

5.08

128.9

23.64

15250

41.1/td>

FLAT

RM QUAD (SIDE)

4.72

119.9

4.78

121.4

20.98

13538

38.5

FLAT

RM QUAD (REAR)

3.38

85.7

3.06

77.6

9.73

6276

38.6

FLAT

RM KEEL

4.61

117

5.26

133.5

26.54

17124

39.7

FLAT

CI KEEL

6.41

162.8

5.15

130.8

25.53

16474

38.0

FLAT

TWINS

MF TWIN  (SIDE)

5.05

128.2

5.32

135.0

20.63

13308

37.0

80/20

MF TWIN  (CTR)

3.72

94.5

3.79

96.1

10.39

6700

32.9

50/50

AM TWIN  (SIDE)

5.07

128.6

5.61

142.3

20.37

13140

32.1

FLAT

AM TWIN  (CTR)

3.94

100

3.69

93.6

9.46

6100

39.2

50/50

POWER TWIN (SIDE)

5.26

133.6

5.35

135.8

21.44

13835

32.7

FLAT

POWER TWIN (CTR)

3.75

95.1

3.45

87.6

8.71

5620

36.1

50/50

MR TWIN (SIDE)

5.06

128

5.56

141

21.06

13590

32.1

FLAT

MR TWIN (CTR)

3.31

84

3.34

85

8.23

5307

29.1

50/50

MR Freeride TWIN (SIDE)

5.08

129

6.09

154.8

22.84

14733

28.4

FLAT

MR 78' TWIN (SIDE)

5.19

131.8

6.05

153.6

22.99

14830

29.3

FLAT

RM TWIN (SIDE) (DI)

4.98

126.4

51.19

131.6

19.20

12384

33.8

FLAT

RM TWIN (CTR) (DI)

3.72

94.3

3.81

96.8

11.03

7114

37.4

50/50

CHRISTENSON TWIN

5.14

130.5

5.22

132.5

19.75

12744

36.7

FLAT

T&C TWIN (SIDE)

5.00

126.8

5.77

146.5

22.47

14495

31.1

FLAT

T&C TWIN (CTR)

3.94

99.9

3.18

80.8

8.28

5343

33.2

50/50

AIPA TWIN (SIDE)

4.87

123.7

5.43

137.7

19.24

12410

33.6

FLAT

AIPA TWIN (CTR)

3.96

100.5

3.13

79.5

7.91

5103

38.3

50/50

BIG WAVE

G10 QUAD (SIDE)

4.02

102.1

4.40

111.8

12.64

8157

28.6

80/20

G10 QUAD (REAR)

4.02

102.1

4.40

111.8

12.64

8157

28.6

50/50

G10 TRI (SIDE)

4.42

112.1

4.55

115.5

15.28

8957

33.7

85/15

G10 TRI (CTR)

4.42

112.1

4.55

115.5

15.28

8957

33.7

50/50

NATE F TRI (SIDE)

4.34

110.2

4.58

116.3

15.25

9838

32.4

80/20

NATE F TRI (CTR)

4.38

111.2

4.54

115.4

15.28

9855

33.8

50/50

 

FCS II Longboard Fins

BASE ”

BASE MM

DEPTH ”

DEPTH MM

AREA ”

AREA MM

SWEEP DEG.

FOIL

Kelia LB Fin 9.75"

7.11

180.4

9.75

247.5

39.56

25523

33.8

50/50

Thomas LB Fin 9.75"

6.85

173.8

9.76

247.6

37.29

24059

30.5

50/50

Thomas LB Fin 10.75"

7.55

191.7

10.76

273.0

45.36

29265

30.5

50/50

Thomas LB Fin 11.75"

8.08

205.0

11.51

292.1

51.88

33471

30.5

50/50

Christenson LB Fin 7.5"

5.43

137.8

7.51

190.5

24.54

15833

33.3

50/50

Christenson LB Fin 8.0"

5.79

147.0

8.01

203.2

27.92

18015

33.3

50/50

Christenson LB Fin 8.5"

6.15

156.2

8.51

215.9

31.52

20337

33.3

50/50

Christenson LB Fin 9.0"

6.52

165.4

9.01

228.6

35.34

22800

33.3

50/50

Christenson LB Fin 9.5"

6.91

175.4

9.51

241.3

39.38

25404

33.3

50/50

Christenson LB Fin 10.0"

7.24

183.7

10.01

254.0

43.63

28148

33.3

50/50

FCS II LB Connect 6

4.27

108.5

6.00

152.4

17.65

11390

33.7

50/50

FCS II LB Connect 7

4.99

126.6

7.01

177.9

24.05

15518

33.7

50/50

FCS II LB Connect 8

5.64

143.1

7.96

202.0

30.71

19812

33.7

50/50

FCS II LB Connect 9

6.43

163.1

9.03

229.2

39.91

25748

33.7

50/50

FCS II LB Connect 10

7.13

180.9

10.01

254.1

49.06

31653

33.7

50/50

FCS II LB Pivot 7

4.21

106.9

7.01

177.8

22.59

14573

32.4

50/50

FCS II LB Pivot 8

4.81

122.1

8.01

203.2

29.50

19035

32.4

50/50

FCS II LB Pivot 9

5.41

137.4

9.01

228.6

37.34

24091

32.4

50/50

FCS II LB Pivot 10

6.01

152.6

10.01

254.0

46.10

29741

32.4

50/50

FCS II LB Flow 8

6.76

171.6

7.99

202.9

30.96

19973

34.8

50/50

FCS II LB Flow 9

7.61

193.1

9.01

228.7

39.18

25278

34.8

50/50

FCS II LB Flow 10

8.46

214.6

9.99

253.6

48.37

31208

34.8

50/50

FCS II LB Flow 11

9.10

230.9

10.75

272.9

56.00

36130

34.8

50/50

FCS II LB Whip 8

6.98

177.1

7.99

202.9

30.03

19371

38.7

50/50

FCS II LB Whip 9

7.85

199.2

8.99

228.3

38.00

24516

38.7

50/50

FCS II LB Whip 10

8.72

221.4

9.99

253.6

46.91

30267

38.7

50/50

FCS II LB Hatchet 9 (DI)

6.05

153.5

9.01

228.7

41.25

26612

25.8

50/50

FCS II LB Hatchet 10 (DI)

6.72

170.5

10.01

254.0

50.91

32847

25.8

50/50

FCS II HI Single 5.5

4.84

122.8

5.27

133.7

18.50

11937

32.1

50/50

FCS II LB Connect 7 PC

4.99

126.6

7.01

177.9

24.05

15518

33.7

50/50

FCS II LB Connect 8 PC

5.64

143.1

7.96

202.0

30.71

19812

33.7

50/50

FCS II LB Pivot 7 PC

4.21

106.9

7.01

177.8

22.59

14573

32.4

50/50

FCS II LB Clique 7

4.74

120.3

7.01

177.8

21.95

14162

34.5

50/50

FCS II LB Clique 8

5.42

137.5

8.01

203.2

28.67

18497

34.5

50/50

FCS II LB Clique 9

6.10

154.7

9.01

228.6

36.29

23410

34.5

50/50

FCS II LB Clique 10

6.77

171.9

10.01

254.0

44.80

28902

34.5

50/50

FCS II Performer PC Teal Medium Longboard Centre (DI)

4.37

110.8

4.55

115.40

14.81

9554

33.7

IFT

FCS II Performer PC Teal Large Longboard Centre (DI)

4.48

113.7

4.67

118.40

15.58

10054

33.7

IFT

FCS II Performer PC Teal X Large Longboard Centre (DI)

4.59

116.5

4.78

121.40

16.36

10554

33.7

IFT

FCS II Carver Side Bite

3.86

98.0

3.93

99.8

11.07

7140

33.2

Flat

This page can be printed as a PDF

 

All FCS fins are classified by the following characteristics; Base, Depth, Area and Sweep.

Understanding how these fin characteristics can change the performance of your surfboard is an important consideration when working out which FCS fins are best for you. 

BASE
Base is the length between the leading and trailing edge where the fin meets the board. Base is primarily linked to drive. Fins with a longer base will offer substantially more drive and acceleration.

DEPTH
Depth is the distance the fin penetrates into the water. Depth directly relates to hold. The greater the depth the more hold, the shorter the depth the more a board will slide and release.

SWEEP
Sweep is the angle measuring how far the outline of the fin is curved backwards; also referred to as rake. Sweep has a direct influence on pivot. Fins with more sweep produce a longer turning arc, less sweep offers a tighter turning arc.

AREA
Area is the total surface area of the fin.

New Sizing for Specialty Fins

You may notice new size ratings for our Specialty Fin Range. Previously, all Specialty Series fins were rated an XL. To better reflect fin sizing, we now have 3 new size categories: S-M, M-L, and L-XL.

Please refer to the Size/Fin Data to compare dimensions.

 

Need More Info?

Read: The Guide To FCS Fins

Watch Video: Find Your Fin - The FCS Fin Clinic 

 

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