• Ultra-Link™ chain link connecting system for safe connection and longer chain life
• Maximum performance and efficiency with Campagnolo drivetrains
• Anti-friction NI-PTFE™ treatment reduces noise...
• 12 speed Chorus rear derailleur
• Alloy outer cage and parallelogram with carbon fibre-reinforced technopolymer body
• Compatible with 11-29 to 11-34 cassettes, allowing to explore more varied...