After 2000 miles on the Kenda Big Blocks I've had enough. Worst front tire I've ever run. Unstable over 70 mph and poor handling in the twisties. I was starting to dislike the bike. Installed a Metzler Karoo3 on the front. Much better now. I'm going to run out the rear. Probably wont get 4000 miles out of it. Got the Metzlers last month with the $50 rebate. $100 for the pair. Great deal. YMMV.