For me, always the frame first, as it's the frame that to a large extent dictates how the bike will handle and therefore whether it will be suitable for the type of riding that I want it for and also what components will be compatible.
Wheels could be considered at around the same time, as long as you know the type of application and whether you are going to use standard QR fixing or not. And the size, of course (26",29" 650B, whatever..).
I've never built up a bike just because I had enough stuff lying around to do so, the only time that I think about another totally new bike is if I fancy trying out something like, say, longer travel forks, different wheel sizes, a dedicated singlespeed, whatever, and I can't build that into what I have already without too much compromise.
For example, if we got months of weather liike we have at the minute then I'd think about a dedicated snow bike and find a frame (Surly Pugsley I suppose) to build one . Fortunately we don't ....
Wheels could be considered at around the same time, as long as you know the type of application and whether you are going to use standard QR fixing or not. And the size, of course (26",29" 650B, whatever..).
I've never built up a bike just because I had enough stuff lying around to do so, the only time that I think about another totally new bike is if I fancy trying out something like, say, longer travel forks, different wheel sizes, a dedicated singlespeed, whatever, and I can't build that into what I have already without too much compromise.
For example, if we got months of weather liike we have at the minute then I'd think about a dedicated snow bike and find a frame (Surly Pugsley I suppose) to build one . Fortunately we don't ....