Originally Posted by
Banzai
2nd wheelset.
However, if you want to avoid “gotchas”, match the hubs between the two. That way brake rotors will be identically spaced, as will the cassette.
Nothing like dropping in a spare wheelset and finding out the rotors are about 1-2mm different spacing, and now graze your brake pads.
As an alternative, you can just add shims to the rotors on the wheelset that is mis-aligned.