Originally Posted by
jethin
+1 to all above. Another q: if using one of these without the deraiileur hanger do you still attach nut
#6 to the derailler mount bolt?
No. If your frame is equipped with a Campagnolo-style integrated derailleur hanger, then it
is the threaded piece that replaces that nut. Assuming your mount is a threaded Campagnolo style, that is.