Well since even Harley Davidson uses spokes I'd have to say you are missing something along the lines of comparable strength. Those 5 armed mag wheels just need a small crack to form and you lose 20% of the strength of the wheel, lose a spoke on my wheel and I have 35 left so I only lose a whopping 2.7777 repeating % of my total wheel strength and since many automobiles have used spokes in the past maybe you should call William Penn I hear he has a good memory and could tell you about them even old wooden carriages have big wooden spokes! Wood not metal so I think you don't even need to worry stainless steel was invented because wood just wasn't stain resistant enough in fact there are thousands of paint huffing weirdos that monetized on the stainability of wood so the wheel builders wanted a stain resistant material that could be made thinner than a tree branch that would foil all the paint huffing wackos from vandalizing all their wheels in shades of Gladstone oak and "brimming" mahogany and most of the time they did a sloppy job anyway so the hunt was on. Rumpledforskin and snow white were hired to fly to China where all the latest advances in metallurgy could be found and tracked down a roughneck named Kim Tim the Brim and he pointed a crooked yellowing finger at Lance Armstrongs great great great and dead by now ancestor Ron Paul, who at the time was working in a carriage shop that only sold manure and wheels well he was working on a new secret stainless metal that was so durable you needed 4 times as many spokes to pull it off and since everyone thought it was a great idea they decided to kill him but revived him after realizing it would be the demise of today's current Lance Armweak so in return he gave them the formula much to Mr krabs despair and they got caught up in Alaska at one point but finally caught a cab to their native American family in the pre-united states of North America and shouted to the cabbie 'Yo homes smell ya later' I looked at my kingdom, I was finally there, to sit on my throne as the Prince of Bel Air.