K maybe wrong thought it had something to do with your center of gravity
But if you think about it with a thin wheel stance on a wide deck with a wide feet stance then leaning a bit would make you fall off
My experience of penny boards, skateboards, and longboards makes me think wider is more stable; like, you can’t tip the board over as easily! Not that it matters in practice though really…
I think I’ll move this discussion into its own thread since we’re derailing the topic away from that awesome drivetrain
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Sure, your deck width should be smaller than the wheel stance.
And ideally, when these sizes match, you have a board reasonably well balanced where the wheels don’t protrude to the extreme and prevent pushing
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Of course you can put too narrow of trucks on a wide deck. Just like too wide on a narrow deck.
Trucks should fit the deck.
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Comparing these three entirely different types of skateboards with entirely different styles of trucks and only chalking their stability differences up to truck width is nonsense.
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If you think about it, it’s understandable that wider trucks lose grip more easily when turning since they act as a lever. In a tight turn the opposite side wheel will lose downward pressure and raise off the ground. This pressure reduction happens throughout the angle of the turn. Now imagine full lean on narrow trucks, it’s much harder to lift the opposite wheel becasue the lever isn’t as long. This translates to more downward pressure (more traction) on the wheel when turning compared to wider stances.
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Just thought of a counter argument to my post:
Wouldn’t the pressure stay the same overall since the downward force would just change from 50/50 on the left vs right wheel to 70/30 or 100/0?
While that is the case, I imagine urethane has a finite amount of grip per pressure and it’s more economical to share that force between each wheel. rather than loading it all on one wheel which; while that wheel gains pressure and traction, it might not be as effective as sharing that force across wheels.
Good article on narrow vs thicc but does not explain the physics behind it.
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The main difference between wide versus narrow is how easy or predictable it is to come in and out of slides.
I feel like on wider trucks it’s much easier to overcorrect when you do get wobbles.
Narrow trucks are easier to power through it.
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Think of where the kingpin is located and you have the answer. If you’re leaning enough to get your opposite wheel off the ground, I’d say you’re almost certainly on your way down.
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To me it seems like the lever has 2 arms – 1 from the wheel against the ground (fulcrum point) to the center of mass of the skateboard, and the arm from the fulcrum point to the edge of your deck where you put your force to turn the deck. If your hanger was 0mm wide, the skateboard would tip over instantly, because of infinite leverage.
And I believe that in my drawing, where the trucks are wider than the deck, it should be impossible to tip the deck over, as long as you apply the force directly downwards. If you’re already falling to the side, and put force on the deck from the side as well, then maybe? you can tip it, although I think your wheels need to slide out for that.
Just playing around with my board I can’t get it to tip unless I pull the deck to 1 side with friction, or if I apply pressure to the part of the deck that’s wider than the wheels.
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I feel people confuse nimble steering from narrow hangers as unstable or vise versa. There are so many other factors though
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I think the width of trucks is also related to the wheelbase length, and to the baseplate angle through a magic formula. Just a matter of geometry.
Leaning on a truck at a set angle will define a curve radius. You want the 2 trucks to be essentially in sync with that curve. And that’s where the wheelbase comes into play. Any significant mismatch and you’ll have something with a tendency to oversteer or understeer, and that just relies on the traction or slip of the wheel to make that curve. And for a given duro and contact patch, those are speed dependent…
Find the formula that binds all this to have a board that turns consistently at all speeds, and you’ll be rich!
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Sorry but you know absolutely nothing about trucks
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We all did at one point or another
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True but then we read and learned before making statements 
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I have wide trucks, regular mountainboard trucks, 180 Paris trucks, and common skate trucks…At high speed the wider trucks do not feel too stable but for turning and cruising they are amazing…regular MTB Trampa trucks with barrels are great for everything but can not match the feeling of the wider trucks, 180 and lower are great too (easy handling)…I think It is more about the entire set up, like bushings, wheels, board, etc…The truth is that I love the extended E-Toxx MBS trucks, mostly for the way they look…
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if bigger trucks are more sable then why do Lacroix’s hypertrucks still get wobbles? 
Lacroix’s hypertrucks are 19"
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