Originally Posted by
Koyote
120g for a 100mm stem seems pretty ordinary.
And I don't understand how any particular stem prevents you from mounting a quad lock or any other type of mount.
125 g is not ground breaking, but certainly below average for a 100 mm aluminum alloy stem.
The center portion of my handlebars is not wide enough for both the extra wide clamp of the Zipp Service Course stem and the band clamp of the Quad Lock Out Front Pro mount.