Challenge Grifo XS Cyclocross Tubular

Take a look at the Challenge Grifo XS tubular for cyclocross riding in either 700x32c or 700x34c. The Challenge Grifo XS Cyclocross Tubulars are available in either 32mm or 34mm and is a great tire on the pavement, packed dirt or grass. Both the 32mm and the 34mm use the same tread pattern and are … [Read more…]