For those who like metric, I used a 3.5mm drill bit to drill out the
holes in my pedals. I didn't have any spikes, but I had a bag of 4mm
stainless steel set screws. Didn't bother tapping the holes. I just
screwed the set scews in with an allen wrench, backing them out a bit
when it felt like they
I tried it without a drill. Just screwed them in gently and straight
(enough), and once they took hold, then I applied stronger pressure on
the socket wrench.
About a 6 months and 1500 commute miles later, I've still got 7 of the
8 studs in there. The missing one appears to have been knocked off
I had a pair of never used Adidas track shoes with an assortment of
both indoor and outdoor spikes in the basement, along with a spike
wrench. (I really need to clean out my basement) Drilled a hole
slightly smaller than the threads, dabbed on a drop of machine oil,
and then used the spike wrench
I used a 7/64 bit (half way between the 3/32 and 1/8 recommended by
RBW. The spikes that stayed in are tight. I have checked and think I
would have a difficult time removing them to re-thread. I really think
my mistake was not getting them started straight. Two that fell out
were in the extr
David,
I installed spikes in my GKs, but didn't need to tap them - can't
recall the bit size I used. I do know that the first hole was slightly
too big (maybe what happened to you?) I went down a size, and they all
went in fine, and I haven't lost a spike in over a year. IIRC, I used
a small metri
