I bought a set of these tires for my son's bike and they were to use at the LL regional last year and they were awesome. My son said they were one of the best tires we've used for traction and overall handling. We used these tires for at least a dozen races with very little overall wear, I was way impressed with the durability, they ranked near the top in a couple tire reviews I read from 2012. At Chaparral they are $23 cheaper than the Geomax 71 and easily as good a tire, way more bang for the buck!!!