6500 from a rear!!!! I got 1700 to 3000 and about 7000 from a front, I dont get 6500 from a Tourance, thats about 5000, only Distanzias have come close to 6500.
After playing around with tyre and pressures over the years.This is due to the tyre being under inflated which alloys the blocks of tread to rotate and wear uneven. The split mite just be a crook tyre out of the batch. (it happens)