Sorry linked to the wrong one. 1 part cranks are kinda rare these days but this should help understand chainline a bit more.
Sealed Bottom Bracket - 68mm BBT Shell Spindle Lengths - YouTube
@Clockwise started
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Sorry linked to the wrong one. 1 part cranks are kinda rare these days but this should help understand chainline a bit more.
Sealed Bottom Bracket - 68mm BBT Shell Spindle Lengths - YouTube