Originally Posted by
mercator
I ran a homemade set last year and they worked fine. I used sheet metal screws and they do wear out. I ride about 100 miles a week and the back tire needed a new set of studs by mid-February. The front tire looks like it is still sharp, although I have a spare for the front that I swap out when the roads are clear so it got less use than the rear.
Takes about half an hour to replace them. I figure $5 worth of screws should last me 10 years.
What kind of tire do you have them on? Do you notice the tire tearing at all where the screws were put in? This sounds like something would fail easily unless done perfectly.