Unleashing profile and breathtakingly fast especially when large volume counts.

The new G-One Speed is an evolution of the former S-One and Big One.

• Homogeneous round knob profile for optimal rolling on the road and safe grip on gravel
• Also a guarantee for maximum speed
• Extends the range of use for every road cyclist
• The most modern Tubeless Easy technology
• Tire Diameter: 700c
• ISO Diameter: 622 / Road / 700c
• Flat Protection: Tread
• Tire Intended Use: Gravel
• Tire Type: Tubeless Ready Clincher
• Max Pressure: 70psi (700x30c); 65psi (700x35c/700x40c); 55psi (700x50c)
• TPI: 67
• E-Rating: E-25
• Tire Bead: Folding
• Weight: 340g. (700x30c); 430g. (700x35c); 460g. (700x40c); 560g. (700x50c)
• Color: Black