The Shimano SLX CN-M7100 chain is designed for 12-speed systems and has 138 links.
Features
Improved chain retention: the extended rear section of the inner plate securely holds the tooth on both the front chainring and the rear cassette sprocket.
Improved shifting efficiency.
Easy to connect.
Smoother riding, even on uneven surfaces.
Quick-Link (SM-CN910-12).
Quick-Link connecting and removal pliers (TL-CN10) are not included.