Originally Posted by srinath.the.man

TBH the threaded steerer is a far better design than the threadless. Motorcycles are setup with the same type. Dual lock rings to preload the bearings. Much better adjustability and much better for bearing life. Ofcourse, bicycle bearing are a lot easier to get to and grease/change and the lighter threadless design with fewer parts and cleaner look I guess won out. Besides I think the manufacturers have a new thing to advertise and make everyone feel like they need to "upgrade"