Quote:
Originally Posted by oldpotatoe
BUT required for DT411/511....for the op...I have spare DT nipple washers...they will probably fit into the hole.
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Correct. There are
certain rims that require special washers. Mavic CXP-30's also come to mind. But those washers come with the rims (or don't, if you are buying an out of production rim and someone already lost them). Washers, like ferrules, were an attempt to deal with crappy metallurgy and even worse extrusion technologies on rims a long time ago. Plus people wanted the rims to be so light that they made the wall thickness so thin it wouldn't survive, and then heat treated it to make it brittle to boot.