Aye, but it wasnt from the finishing - it was the remains of a bearing shell that gave up.
While I'm here, a GRRRRRR that would have been posted yesterday had I not been covered in grease and gunk off the bike until 10 minutes before training: GRRRRRRRRRR getting the wrong size bearings from Halfrauds meaning I had to get across the industrial estate at factory finishing time to find the local bike shop which had moved