CN-9100 XTR/Dura-Ace 12 Spd. Spoke Wrenches Proprietary Hexatude_ hex-shaped aluminum tubing

Proprietary Hexatude_ hex-shaped aluminum tubing ensures low flex and no rotation

efficient step-in SPD and a concave stable platform

you've found it

Rust-free powder coated finish

from beginners to veterans

CN-9100 XTR/Dura-Ace 12 Spd. Spoke Wrenches Proprietary Hexatude_ hex-shaped aluminum tubingThe 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