Compatible with all 11 speed road & MTB systems, this X-Bridge equipped chain features an outer plate that's configured with precisely articulated angles for quicker & smoother gear shifting & quieter riding. KMC has also equipped with model with lightweight, shorter length pins, which combine high-grade materials to reduce weight. Coming finished with a unique stretch-proof treatment, the durability of this versatile model is enhanced by reducing the attrition between inner plates & pin. As a result of this, chain life is significantly enhanced.