Originally Posted by Fat Hack
No, i wouldn't do that. As Sydney said, it's unlikely to be a 1"1/8 threaded road fork, however, if it is, I'd try to get a steerer extender, then attach an a-head stem to it, but I'm not sure extenders are available for inch & 1/8 steerers.
It's also called a quill adapter. That's probably the way I would go with a 11/8" threaded road setup.Bigger selection of stems. There are 11/8" ones listed in the QBP. Check nashbar or performance.