Originally Posted by Dirtdrop

I put a Rally cage on my NR. It presently has a 14X28, but it looks like it could easily handle more than 28, mayby even 34. It shifts like a NR, which is okay if you're used to them. I know it would shift so much better with a Shimano Deore or any other modern long cage derailer, but it would be wrong on a '74 PX10...