>> I think there is (still) an awful lot of confusion out >> there regarding Campagnolo BBs. Prior to 1993, Campagnolo >> used JIS-tapered spindles, just like virtually everyone >> else did. > > Greg, > A few minutes with an assortment of modern JIS and old > Campi cranks and spindles will show you that if the older > Campis weren't ISO they sure as heck weren't JIS either. > What may be confusing you is that some of the better old > Japanese cranks, like Sugino Mighty, were Campi compatible > instead of JIS. Come to think of it the Sugino 75 Track > crank still is.
Right. If you measure across the flats at the end of a vintage Campagnolo crank spindle, the measurement will be 12.7mm. If you take the same measurement on a JIS spindle, it will be 12.9mm.
If you take the same measurement on an ISO spindle, it will be slightly less than 12.7mm - i.e. something like 12.65mm. At least that's what I recall from measuring spindles the last time we had this discussion, which couldn't have been more than a couple of months ago. Cheers, Fred Rednor - Arlington, Virginia (USA)
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