Originally Posted by
iSamurai
And just to put it in the public domain: looking around on how tight chainring bolts should be, responses range from "tight enough" or "finger tight" to a bit more scientific 5-10Nm. Now in the Specialized installation guide they said 9.8Nm, but the threads started to strip at around about half of that, so makes me think 5Nm would be more or less ideal.
It's been a long time since I've swapped chainrings, so I don't recall the torque measurements I used... Snapping a bolt at well under torque measurements is probably because it wasn't going in straight or that the threads on the bolt weren't lubricated.
I'm pretty sure the engineers who came up with the torque measurement didn't just pull a number out of their ass.