Somehow the axle on my rear wheel got stripped, so I need to replace it. The rear wheel is a low-end track wheel from a Bianchi Pista, which has a cartridge bearing hub.
I went to my LBS and bought a new solid threaded axle (I believe it is for cup and cone bearings). It looks like this:
But, when I took the axle out of my wheel, it looked like this one:
My question is: Where do I buy a cartridge bearing axle? Or can I use my cup-and-cone axle and just add some kind of spacer, in which case, where do I buy the spacer?