my favorite brake!! you can use a cone wrench.. UH hold on a sec, ah 14mm but I prefer Park tools offset wrench OBW-3. don't lose the washers and they are pretty easy to readjust when you put them back together.
I actually like to put my brakes back on the bike for final adjustment.
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk