Most such wheels are built only for show 'n style, not performance. Likely they are tensioned off of the tops of the nipple using a screwdriver, perhaps a socket depending on the nipples used. If you build a full-radial rear wheel, better be using a hundred-plus spokes!
David Snyder
Auburn, CA usa
Subject: [CR] If 36-spoke wheels are stronger than 32s,and 40s are stronger than 36s...
> Listers,
>
> There has been frequent debate over the relative desirability of more
> spokes versus fewer spokes per wheel
> in the CR community. Has anyone ever seen an on-topic wheel with anything
> like this many spokes?
>
> I know of 48s but that is as far up as I have seen any 700C, 27", or
> similar-diameter wheels go in
> the number of spokes. Seeing a 20" wheel with 144 spokes makes me wonder
> how a spoke wrench or fingers
> fit between the spokes....
>
> Jon