the marathons? What kind of riding do you do? If you do anything really sporty, these are a very hard compound, they will last a long long time but you sacrifice a shit ton of grip. I absolutely despised my front, its the only tire I've actually had the front brake lock up with on dry pavement when i had to emergency stop. The back is okay but again if you do anythingy sporty and are in need of MORE grip avoid it.