Originally Posted by
Bill Kapaun
I wouldn't use that spoke on the rear DS, PERIOD!
For a 1st build, I wouldn't use that spoke at all unless you have a tension meter.
If you don't have a tension meter, I wouldn't use that spoke, PERIOD.
On the rear DS, your tensions are getting close to where you'll stretch the spoke beyond the elastic limit with a relatively minor overtightening misstep.
You might read this thread-
http://www.bikeforums.net/bicycle-me...on-wheels.html
Near as I can tell, 120 kgF on a rear DS 2.0/1.5/2.0 spoke is about 75% or so of its claimed tensile strength for the middle section. Certainly that is right for the round version and close for the CX-Ray aero type. That does sound perilously close to breaking. Yet I have never heard of this kind of spoke breaking in the center section during building or during riding. In my hands the alloy nipples are much more likely to round off and fracture during the tensioning and truing processes.