Unleashing profile and breathtakingly fast especially when large volume counts as a 30mm wide road race version with v guard protection g one speed is a tire for the real tough jobs you can ride it as a handmade tubular or with the most modern tubeless easy technology but it is also a guarantee for maximum speed in the extra wide 60mm execution of course not only at the fascinating beach races on hollands coasts the new g one speed is an evolution of the former s one and big one tube