Fluidity, smoothness, and noise reduction: the 5.5mm Chorus chain fully meets the quality and performance standards of the 11-speed groupsets. The strength of the treated steel links is absolute, and the Ultra-Link closure system guarantees safety and the long life of the chain.

• Width 5.5 millimetres
• Ultra-Link fastening system
• External links in special new steel
• Ni-PTFE anti-friction treatment
• 2.24g /link

Occasionally, without notice, manufacturers change product design and/or specifications.