Thanks again. The seat was the major culprit. I'll do the seat post suggestion and the re-torquing of bolts. The noise is now to how it started me on this trek, after about one hour of riding, a kind of grinding noise/vibration is felt on the pedals at about the same rotation but is much subdued...
Thanks for the suggestions. The noise is still there when not touching the handlebar but does stop when not on the saddle. And I don't have anti-seize paste but I did try again to take them off, clean the threads and apply grease. The noise is still there. Would like to understand what it may be...
I have been experiencing a noise while pedaling that sounds like the chain snapping from being caught and occurs on the same location (hard to pinpoint so is similar to a clicking noise); about the two o'clock through the 4 o'clock on the left pedal. Very distinct as three clicks. I can feel...