Originally Posted by veganbikes

They will be rubber and part of them will be contacting the road at any time assuming you are riding it. They are good tires or bad tires depending on who you ask but I think they are generally decent tires. What exactly do you want to know? You own the tires now so it is not like anyone is going to change your mind or anything is going to be different. Enjoy the tires ride the heck out of them don't worry so much!