Originally Posted by
climber7
the only other concern i can think of would be that with carbon bars, 4 bolts might distribute clamping force over a larger area, making damage to the bar less likely...but again, there's probably no real significant difference.
It probably wouldn't matter as much since the face plate takes the pressure and distributes it across the bars. As long as the bolts can be torqued down to the proper amount, the bars should be held the same regardless if it is two bolts or four bolts.