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usually the NDS spokes
Think the Nuvinci builds into a symmetrical wheel with even spoke tensions if that makes a difference
@ian(conker) the fatter spokes are more liable to self loosening..
Edit- ah just seen you rebuilt- what tension did you build them up to?
And are they def 11g? All the Nuvinci wheels I’ve seen have been 13g spokes - just quite unusual!
MCamb-
Spoke tension was around 27 on my guage. Chart measured spokes in mm so wasn't an exact match. They are pretty chunky spokes & I used an 11g spoke key.
@Thrustvector it's an Enviolo (Nuvinci) hub, dunno rims & 36 spokes.
I should point out that the wheel/spokes were fine for first year & I've only done about 20miles since I rebuilt the wheel. I kind of expect a bit of trueing after a few miles, but these spokes had just rattled loose.
Can one use some type of threadlock after greasing/lacing/trueing a wheel?
ian(conker)
What hub/rim/how many spokes? I'm guessing the 11g spokes are plain gauge, not butted?
It's usually the NDS spokes that go slack in a rear wheel; in general, if it's a 10- or 11-speed hub in touring/cargo use, it's hard to load the NDS spokes enough to stop them unwinding without loading the DS spokes so much that the rim cracks. Using PG DS/double (or triple) butted NDS spokes helps a bit, but you'll still usually want to threadlock the NDS.
The rear wheel on my Bakfiets used heavy gauge spokes and never gave me any problems, but then it had a Nexus hub with symmetrical flanges, and a chunky rim.