My front Metzler was bald at 7K. I have 10.5 on the back and it still has about 2K left on it. I replaced the front with a D404 and am about to change the rear this week. All of my friends who ride Harley's run Dunlop and they all tell me I should get 13 to 15K on them. Given the quick wear on the front Metzler I am happy to make the change. I was very disappointed in the Metzler wearing out so quick on the front.