Recent order from RBW included a bag of blunt pedal spikes. Installed 8 per pedal in the manner described on the RBW site, except I did not have the appropriate vise-grip. Used a slightly over-sized socket wrench instead. After a short rainy test ride I was well satisfied with the results except that on inspection later in the evening, 3 of the spikes were missing, all from the non drive side pedal. I accept that this was most likely due to user error. My theory is that the missing spikes were started crooked and when snugged down to the straight position the shallow threads were stripped. Nevertheless, it prompted a trip to the local hardware. Their thread sizing board identified the spikes as 4mm with a 0.7mm thread pitch. They had the matching plug tap in stock for $3.79 (made in the USA). Recommended drill bit is a #30 wire gauge bit (3.26mm diam.) for $2.99. While there I purchased a 100 mm vise grip for $12.99 (made in Taiwan). I am passing this information along in case it would save some time for someone else who may prefer to cut the threads with a tap. David
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