Originally Posted by
TejanoTrackie
There is no need to add spacers to the bottom bracket. The distance from the cog/ freewheel to the plane of the frame (chainline) is the same regardless of the dropout spacing, because the axle spacers are outboard of the cog/freewheel. If you added spacers to the bottom bracket, you would need a custom built bottom bracket.
Is this true for a 126mm centered un-dished wheel with track crank?