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

Features: 

• HD-LINK™, high strength link locking - greater safety and longer chain life
• Requires HDLink™ for Ultra Narrow™ chain
• 5.9mm special steel links prolongs chain life, reduces wear on chainrings and sprockets
• Antifriction NI-Ptfe™ treatment: reduces friction, smooth pedaling, quiet operation and efficiency -prolongs chain life
• Width: 5,5mm
• 114 links
• Weight: 255 g

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