Description Smoother than ever: Extended inner plate improves chain engagement and retention, while reducing shift times and pedaling shock. This proprietary design ensures smooth shifts and strength against everything a performance ride can throw at it. SPECS: Compatible with 12 speed drivetrain. Sil-Tec and chromizing treatment for increased durability. Includes a SM-CN910-12 Quick-link for easy chain connecting & removal. E-Bike compatible. 252g.
