CN-M8100Smoother 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. Compatible with 12 speed drivetrain. Sil Tec and chromizing treatment for increased durability. SM CN910 12 Quick link for easy chain connecting & removal. E Bike compatible. 252g. Attributes Links 138 Chain
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