103mm Dura Ace 7410 Eng thread BB (or equivalent!)

F

ForestHill

Retro Guru
Long shot, as these are rarer than hen's teeth, and hence eBay Gold.

I'm after one but would like to pay <£20 or so.

If anyone can tell me what I could use instead, I'd absolutely love to hear it. Token make 103mm BBs but I seem to think that 7410 bottom brackets have a strange taper on. Bloody Shimano...


Cheers,

Doug
 
not that strange , 7410 used 103mm long JIS taper axles (Japanese industrial standard) and Campagnolo 8-10 speeds used 102mm with ISO taper , they are interchangeable but JIS cranks will slide further onto ISO tapers/axles/spindles (preferable really), and ISO cranks not as far onto JIS tapers (more dangerous?)
 
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