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 now with the most modern Tubeless Easy technology.The G-One Speed is also a guarantee for maximum speed in the extra-wide 60mm execution of course not only at the fascinating beach races on Holland’s coasts. The new G-One Speed is an evolution of the former S-One and Big One.