Originally Posted by
mickel
I have a 1992 Trek 2300 composite with factory quill stem and would like to convert to the more modern looking stem like a Ritchey or FSA. Would a 1-1/8 threadless adapter then a stem with the same size steerer work? I assume my original is threadless
If its a quill stem, then its not a threadless headset. Threadless adapters work by fitting into a threaded headset like a quill stem, and providing a clamping surface for a threadless stem, where the steerer tube in a threadless system would be.