CN-9100 XTR/Dura-Ace 12 Spd. Red Largest Cog: 36

Largest Cog: 36

50 hours at 25 lumens

Nylon/Spandex top hand provides comfort and flexibility

With its BEAM SPIDER construction

High-quality automatic cylinder

CN-9100 XTR/Dura-Ace 12 Spd. Red Largest Cog: 36The Shimano CN M9100 features an extended inner link plate that connects seamlessly with chainring teeth for highly efficient drivetrain performance. Its design offers a reduction in natural vibrations normally caused by the inner and outer chain plates rolling onto the chainring. It provides better chain engagement, stronger retention, and smoother pedaling. Enhancements to shifting performance Easy connect Non reusable Smoother driving even over