Quote Originally Posted by tonytiger55 View Post
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How long do the studs last..?
I haven't used a set for more than 30k kms before switching cars, but they seem to last quite long.

I have used 4 sets of factory studded hakkas and a set of tire store studded kumhos. Have never had a stud dislodge in the hakkas but have had several dislodge from the kumhos.