OK
@Falstaff, so now that we have resolved the valve stem issue, I have to ask the next logical question: Without spokes, how will you be able to true the wheel? I'm also wondering about their strength without spokes. Not trying to be a Debbie Downer, just trying to think through the hubless issues before they arise.
I have no idea....
But my way of thinking is the idea that a hubless wheel isn't actually hubless, it's just a really big hub with a hollow axle.
I think if I use steel rims, keeping them true would be easier than aluminum.
The strength I think comes from the roller assembly.
When I first brought the idea to Luke a while back, he mentioned that most hubless bikes tend to be show queens.
One horsepower brought up the tight clearances the rollers need to the actual rim.
And Fordsnake said something about the rim wanting to walk sideways in turns.
I think I've taken all of that into consideration in my design, but honestly this build will be a lesson in how to/how not to build a hubless wheel.
In the bike you posted a link to, he didn't ever update us. So I don't know what kind of weakness there will be.
But I'm willing to take a chance and test my theory. At this point in life, I don't see failure; only goals. So this bike will be like random motivation, a prototype to see if I actually want one.
I'd honestly love to pull off a rideable version in the build off, but right now it's all down to whether or not I can find the parts to build the wheels.
So after that little tangent, the answer remains the same.... I have no idea.