Originally Posted by
hartsu
+1
See the shimano instructions too.
http://cycle.shimano-eu.com/media/te...9830600105.pdf
Stranded 22AWG wire, insulation trimmed back 16mm (SP says 14mm).
For a while I've been using the standard B&M wires which make the connector very secure. Often need to pry the connector off with a small screwdriver or knife.