Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › a Rhythmic Scraping Noise › Reply To: a Rhythmic Scraping Noise October 28, 2020 at 6:19 am #986865 Richard KirshyParticipant Just a thought… Wouldn’t it be easier and less damaging to just get a set of rear rotors that fit correctly than taking it all apart, Purchasing a grinder and disks. Modifying your backing plate to accommodate the rotors you have?. Just saying…..