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 mm: quiet operation, optimized clearance with adjacent sprockets and chainrings, high performance shifting
- Ultra-Link system: extremely high retention force
- Ultra-Shift outer links: functionality, weight savings
- Ni-PTFE antifriction treatment: smoothness, long life
- New material for the outer link: 20% more resistant, reliability, long life
- Weight: 256g