If you are wanting to ride smooth urban environment then the Urban Treads are the ultimate tyre. Made with supersoft motorbike rubber and a strong reinforcing they can take upto 85psi and fit onto the normal mountainboard hub.
These wheels bridge the gap from large longboard wheels and standard mountainboarding tyres. Remember that it will decrease the ride height and also you need a smaller 7in innertube too.
The Trampa Urban Treads 6.5in tyres are perfect for many electric boards and urban assaults.
Sold each tyre without innertube.