Originally Posted by
mcoate
I have a 1972-ish Sekine, but am unable to take it apart until next week when tool gets here. Is there anything I can measure or look at from the outside to know which BB to order?
Why do you need a new bottom bracket? If the current one isn't pitted the simplest thing to do is simply clean it and install new bearings and your good for another few years, unless of course you ride in adverse weather a lot.
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