Shimano Dura-Ace / XTR -11 speed HG901 Quick Link chainThe top of the range chain from Shimano, both for road and mountain, now with the new Quick Link without Quick Link tools. Shimano Dura-Ace / XTR -11 speed HG901 Quick Link chainThe top of the range chain from Shimano, both for road and mountain, now with the new Quick Link without Quick Link tools.Sil-Tec treatment for smooth and reliable changes.Weight: 247 gr.