Current Projects chat and miscellany

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gbj_tester in reply to @yokes

Pretty sure 5500 and 6500 are both v1, unless they changed the design under the same model name?

They did, for 5500 at least. There are SM-BB5500s in both long and short spline versions, same part number. That's what I mean by Shimano keeping quiet about it. I think DuraAce Road and Ultegra had already gone to HT2 by then, and DA Track sticks with the short splines.

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yokes in reply to @gbj_tester

I see, thanks for the explanation. May buy a MTB bb as they're much cheaper however this for a 1x build so should I actually be shortening the chainline from a double set up, or does it not really matter?

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gbj_tester in reply to @yokes

May buy a MTB bb

You won't find an MTB Octalink BB with the short splines required for the 6500 cranks, they stopped making them 15 years ago. At this point, for a 1× road build, you should be cutting your losses and buying an FC-S501 Alfine HT2 crank and BB

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