Originally Posted by
speedevil
After two spokes broke in a rear wheel of mine, I just relaced the entire wheel, figuring the third was coming sooner or later. More likely sooner and probably when I was a long way from home.
As soon as the 2nd one breaks at the flange on one of my wheels - all of the spokes get replaced. My go to spoke is Wheelsmith DB14 with nickel plated brass nipples.
Spokes break at the flange due to fatigue. They break at the nipple due to impact - from a stick or rock.