Originally Posted by
loubapache
Alternatively, you can replace your current stem with this long one. It is steel so it is heavy but it might be lighter than the extender + original stem combo.
A quill to threadless style stem adapter makes more sense. Much easier to swap out different clamp on stem sizes if need be to tweak the fit.
edit: The tightening bolt on my Dimension riser/adapter extends to the top of the riser and is tightened with a normal length allen wrench.
http://www.jensonusa.com/Dimension-Quill-Stem-Adaptor