For any Colorado-area C900 drivers without snowshoes or rims for your car:
FS: Used Vredestein steel-belted M+S tires on Saab-branded rims.
The tires say 165 SR 15 86 Q. I used them on a 1986 900, but they've been sitting in the garage for several years. They are pretty worn, especially on the outside treads, but probably still better than driving in snow with summer tires. They're studded on the inside half of the tire, but the studs are pretty worn.
(In case you're wondering, yes it is legal to use studs in Colorado
-- see e.g.
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They come mounted on 4 Saab 4-hole steel rims -- size 5 1/2 J x 15. These are worth about $50-60 apiece new -- see e.g.
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You can have all 4 of them, with the tires, for $75 OBO. (I'm sure someone will correct me if that's not a reasonable price. :-)
Gary