Main advantage: Just ridiculously strong; a klutz that would destroy Super
Champion 58's could jump all the curbs they wanted to on Concaves without
any problems.
Disadvantage: Harsh riding due to stiffness, funny bead shape made them a
peculiar tire fit.
David Feldman
Vancouver WA
> Time to pick a fight -- :-)
>
> Dale's request for a Weinman Concave rim for a friend got me to rummage
> through the pile (found one, attached to a first generation DuraAce 120 mm
> rear hub!) and look at the darned thing again. Somehow, I just never "got
> it" with these rims. For those who don't remember, they were pretty high
> class, with very tall sidewalls for brake surfaces, and a concave
> appearance between the walls.
>
> Disadvantages: Unless you spoked them weird, with left spokes reaching
the
> right spoke holes, and vice versa, the spokes emerged from the holes at a
> very awkward angle. Big sidewalls = more weight.
>
> Advantages: could be real clumsy setting up brakes, and tall sidewall
gave
> more radial stiffness.
>
> What am I missing?
>
> Harvey Sachs
> mcLean va
>
> _______________________________________________
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