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@oddsock
I was going to bring up the ISO vs JIS taper thing last week but then the
bottom bracket I was going to buy disappeared (roberto?). According to
Sheldon, they both have the same taper angle, but the ISO taper is a bit
longer, so that the ends are a bit narrower, but I don't know if it's enough
to be able to measure it reliably.
btw, in case roberto's dura ace 7610 bottom bracket somehow reappears on
the market, does anyone here know if it would have a JIS or ISO taper -
I was hoping it might fit some sugino 75s I have waiting to be fitted (on the
face of it the axle length is right).