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 Holland’s coasts. The new G-One Speed is an evolution of the former S-One and Big One.annot be used tubeless.