Join Date: Oct 2002
Location: Laguna Hills, OC, California
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Kev is correct. Most new road bikes (if not all) come threadless. Quills offer more flexibility in hight adjustment. I cannot see any major difference in maintenance, etc. I think the trend away from threaded is due to speckmanship, competition and customers being obsessed with weight. The threadless maybe little cheaper to make as well, it is less flexible/adjustable, but not impossible to do many things with various stems. I can still find parts for either variety. The current fad is threadless.