Hello, I’ll start right away, my father is a truck driver long distance traffic and at the end of the week he has to react on his suzuki gsx 600 f and blows the with 12upm over the piss, and I can change every 1000 – 1600 km the rear tire, the rear tire is in the momment one and that is really smooth you can see in the middle no more grooves METZELER LASERTEC, the tire size is 140/80 v17 k655 or according to vehicle letter 140/80vb17 v250 there are any matures that last longer??, because I ha b no buck to change all few weeks, where I have become significantly faster in the momment than the first time in the momment I am able to expand in about 10 minutes… Greetings matze (thanks for replying)