Bodyboard/Soft Surfboard Twin Fin Kit


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This Twin Fin kit works perfectly for bodyboards, or with the CatchSurf Beater if you want to convert your finless Beater to a twin fin!  Email us and we can email back a template to print out and lay over the bottom of your Beater board so you know where to punch the holes for the fins.

To install, you only need to punch four holes through your board and pop the screws through to connect with the skegs on the bottom.


• Distance between centers of screw holes on skeg: 4 inches
• Skeg length from front to back along the base: 6.75 inches
• Skeg height from base to tip: 4 inches
• Screw length: 2 inches 

Maximum board thickness these will work with: 2.75 inches
If you have a board thicker than this, check out the SUP Skeg Replacement Kit on our site. 

TIP: We highly recommend applying some dish soap to the screws before installing and screwing them into the skegs to avoid having the screw snap.

(Note:  This item is compatible with the classic Beater 48" and 54" boards and almost any bodyboard)

Click Here for PDF Manual

Bodyboard sizing depends on multiple factors.  We recommend you take our Bodyboard Quiz and read our "How to choose a Bodyboard" page.

Here is a general guideline for sizing:  

Board Length Your Weight Your Height Size that also work:
36” 40-90 lbs. 4’ - 4’10” 34-38” boards
38” 65-100 lbs. 4'8 - 5' 36-39” boards
39" 85-115 lbs. 4'6" - 5'2" 38-40” boards
40" 110-140 lbs. 5'3"- 5'6" 39-41” boards
41" 125-170 lbs. 5'6" - 5'8" 40-41.5” boards
42" 145-180 lbs. 5'7"-6'0" 41.5-42.5” boards
43" 170-210 lbs. 6'1"-6'3" 42.75-43.5 boards
44" 180-250 lbs. 6'2"-6'4" 43.5-44.5 boards
45" 195-270 lbs. 6'3" - 6'6" 44.5-45.5 boards
46" 220 lbs. + 6'4" + 45.5-48” boards
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Want to know how to do a maneuver? How to install a leash? How to wax your board? How to even sit on your bodyboard? Our very own Jay Reale has you covered and if he doesn't then please send us an email requesting help or what video you would like to see. Link: