Originally Posted by
cyccommute
Constantly loosening and tightening the pinch bolt could fatigue the metal...think bending a coat hanger. It might take a while, however. Fatiguing the metal would be worse if you just "guess" at the bolt torque. If the pinch bolt is on a seat collar and separate from the frame, you aren't likely to damage the frame at all. You might wear out the seat collar but those are cheap.
this is what i wanted to know and im afraid of this happening. thanks for chiming in everyone. i googled to see if this question was asked and found nothing so i started this thread.
appreciate all the feedback guys! =)