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studable tires: you can always replace studs / N, l" R" f8 z. k % `5 U5 O) k+ B2 dstuded tires: studs comes on tire, once they gone, they are done8 ?" d% U$ q$ m4 Z5 x- f
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studless tires: can not put studs on
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there are lots of differnt manufuactures making studable tires, you can replace studs after they worn out
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not bad, but no the cheapest. yes, even cheapest snow tire will provide better traction than most expensive all season tires ' g# K9 d3 J z$ V1 v+ U+ y) }$ t+ ^# k1 @1 Y. D
studs are made by steel rods