On Sunday, November 10, 2013 9:20:02 AM UTC-5, datakoll wrote:
bzzzzzz or hummmmmm or nnnnnnnnng ?



what pitch ?



twwwaaaaaaaaaannnnnnnnnnng ?





thhhhhhhhhrrrrrrrrrrrrrrrummmmmmmmmm ?





try loosening 6 adjacent spokes .25 turns loose....



if the noise stops, you know from where.


I would say, it feels like a brake vibration, humm (with the brakes pads clear of the rim) like a rummble strip in a car going at highway speeds.