Bike Forums - View Single Post - How to choose a bottom bracket spindle length for new cranks on a new frame?

06-30-20 | 05:33 PM

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SJX426

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Funktopus Kinda yes. Here is a picture but you really want to measure to the edge of the tapered hole. We are trying to get close, not exact.

P1030067, on Flickr
And yes. One would hope the center of the BB shell is the center of the bike. Better location is the center of the down tube or seat tube.
https://www.sheldonbrown.com/chainline.html

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