First @MBS Matrix III motor mounts 
Have been working on these mounts for quite a while, they have already been tested on MII trucks for a few months. Today I used the fixture plate to make a full set at once, came out great. Just some tiny tweaks and then I can finally start a production batch.
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Whats that vise called? Looks very sleek.
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Its based on this modular vise system:
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Are these going to include 10mm options? If so, what’s the eta? I’ve been looking at your matrix II risers but will hold off if these sexy nuts aren’t too far off
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10mm isn’t planned, but the 12 mm version is still a ways out anyway, first have to do some testing. If you really want a 10 mm option might be worth to look at a custom order perhabs.
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If you sort that nylok option i probably would
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First Batch of Sceptre Motor Mounts available for reservation!
Compatible with Matrix III, II and 22x22mm trucks like apex airs
max 10 sets available, signup through the google form. More info about the mounts on the website and in the dedicated thread Sabre Dynamics Motor Mounts | Matrix III & II | 22x22 mm hangers ( Apex air, Moon Luna )
Some pictures:
Some pictures of the first version being tested during the past year:
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Oh hey, i know that board 
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May not be cost effective to produce on a semi production scale, but years ago I created a “lock nut” by cutting an o-ring groove inside of a nut, and putting the appropriate size Buna-N o-ring in the groove. It (the o-ring) was pretty much a single use item, but o-rings were/are cheap and easy to replace with a pick. It kept the nut in place beautifully without the need for a thread locker.
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Thanks, I thought about that too but instead of using an o ring use a TPU ring. But figured that would be single use too. Will do some testing once the weather gets better here.
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OOOOOOOOOOOOOOOOOOOOOOOHHHHHH
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Holy crap that looks like a complicated part to mill 
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Not so hard with a table mounted Jaw chuck. Milled one side and then flipped the part in the chuck and milled the other. And I carefully adjusted the program while checking the OD fit with a micrometer and a bearing for test fitting to make sure the OD of the adapter was good.
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These looks 
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