CENTO incorporates the innovative brand new to market UDOG’s Micro Twist dial. It’s a unique micro-adjusting rotor provides a uniform, customized fit for enhanced support and stability. The ergonomic dial with soft rubber edge guarantees greater grip in any ride condition. Its dial diameter is 30mm provides better handling in racing situation. The Micro Twist is markedly lower in profile, only 10mm thickness for a more aerodynamic profile. Woven laces are very flexible yet ultra-resistant. Weight: 250 gr in size 42 Stiffness index 11.0 Suitable with 3-bolt system Best for: performance road cycling, racing and riders looking for maximum stiffness. Fit & Size Guide