Forums > Windsurfing Wave sailing

US Box quad set wanted

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Created by Mark _australia Wednesday, 29 Apr 2026
Mark _australia
WA, 23626 posts
Wednesday , 29 Apr 2026 4:48PM
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KInda hard to find as few brands use them

Need mains and sides all in US box, for a 74L. Specs are 14.5 and 9 but I'd go 13.5 mains if it was a deal.


No I don't want new, something cheap / needing repair is ideal

Mark _australia
WA, 23626 posts
Thursday , 30 Apr 2026 4:44PM
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But please let me know if you only have either mains or sidies to sell

AI.Dave
TAS, 154 posts
Friday , 1 May 2026 8:06AM
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bit of mucking around but could you adapt a SB side? tab & pin

Mark _australia
WA, 23626 posts
Friday , 1 May 2026 7:22AM
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Yeah I will if I have to but I can't imagine installing 4 of those retrofit tabs. Take half a day hahaha

Gestalt
QLD, 14940 posts
Friday , 1 May 2026 10:55AM
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Seems you need a us box mold and set some 50/50 cheap surfboard fins into it or mini tuttle fins set in it

Plenty of options then.

AI.Dave
TAS, 154 posts
Friday , 1 May 2026 3:04PM
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The severne style SB might give you a long enough tab (10mm) for the screw and plate




Mark _australia
WA, 23626 posts
Friday , 1 May 2026 4:50PM
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Select to expand quote
Gestalt said..
Seems you need a us box mold and set some 50/50 cheap surfboard fins into it or mini tuttle fins set in it

Plenty of options then.


I have. But this is for a board to be sold so don't want to risk a breakage

Mark _australia
WA, 23626 posts
Friday , 1 May 2026 4:50PM
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Select to expand quote
AI.Dave said..
The severne style SB might give you a long enough tab (10mm) for the screw and plate





I like that I reckon they would
good idea



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"US Box quad set wanted" started by Mark _australia