Originally Posted by
Jipe
As said, if you ride off saddle pedaling at low cadence with a high torque and pulling on the handlebar for instance when climbing, there will be a rear bob, its the motion of the weight of the cyclist that creates this bob but this is an obsolete way of pedaling, the current trend is to climb on the saddle pedaling at (very) high cadence.
Even pedaling at a high cadence, you still find yourself getting out of synch with the suspension as it bobs to the metric of the road conditions.