Originally Posted by
T-Mar
Not quite, but close. The 9mm bolt hole is not unique to the TA 3 pin cranks. However, it is used only on 3 pin cranks with 116 BCD. The 9mm hole was the standard for three pin cranks with this BCD. It was used by most, if not all of the manufacturers who offered them, including Campagnolo, Magistroni, Nervar, Solida, Stronglight , TA and Zeus, among others.
Ah! Good info (as ALWAYS!) so these may be
different from all the piles of crank-bolts in my stash (mine are all from various 5-pin cranks) but shouldn't be at all hard to find replacements. My mind is eased, thanks.