Originally Posted by
ROJA
What do the washers do? I thought that the biggest problem was that the DX mounts didn't work on modern road-style handlebars because our bars are too thick?
the washers allow you to tighten the bolts down harder without having to worry about the head pulling through.
use a minoura space grip for OS bars and you'll be able to mount a pair of P7/MC-E no problem.