With the Chorus™ chain, power transmission is assured, and preventing energy dispersion is also possible. The Ultra-Link™ system protects you from any risk of the chain not keeping traction at the delicate closure point. Silence and fluidity of pedaling are achieved by the perfect machining of the link profile.

Features: 

• Ultra-LINK™ system, for top-level smoothness and less dispersion
• Requires Ultra-Link™ for Ultra Narrow™ chain
• The new 12-speed chain, while thinner and lighter, engages quicker and maintains the exact same durability of its 11-speed predecessor
• Antifriction NI-Ptfe™ treatment: reduces friction, smooth pedaling, quiet operation, and efficiency -prolongs chain life
• Width: 5,5mm
• 114 links
• Weight: 241g (110 links)

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