US Box quad set wanted

1 month ago
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Mark _australia
Mark _australia
WA
23647 posts
WA, 23647 posts
29 Apr 2026 4:48pm
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
Mark _australia
WA
23647 posts
WA, 23647 posts
30 Apr 2026 4:44pm
But please let me know if you only have either mains or sidies to sell
AI.Dave
AI.Dave
TAS
159 posts
TAS, 159 posts
1 May 2026 8:06am
bit of mucking around but could you adapt a SB side? tab & pin
Mark _australia
Mark _australia
WA
23647 posts
WA, 23647 posts
1 May 2026 7:22am
Yeah I will if I have to but I can't imagine installing 4 of those retrofit tabs. Take half a day hahaha
Gestalt
Gestalt
QLD
14953 posts
QLD, 14953 posts
1 May 2026 10:55am
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
AI.Dave
TAS
159 posts
TAS, 159 posts
1 May 2026 3:04pm
The severne style SB might give you a long enough tab (10mm) for the screw and plate




Mark _australia
Mark _australia
WA
23647 posts
WA, 23647 posts
1 May 2026 4:50pm
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
Mark _australia
WA
23647 posts
WA, 23647 posts
1 May 2026 4:50pm
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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