The Shimano Deore XT/Ultegra CN-M8100 12-speed chain was design for ultimate performance with the Deore XT M8100 drivetrain system. In addition to compatibility with Shimano's 12 speed mountain groupsets, the M8100 is the OEM chain for the 12 speed Ultegra road groupset.

Note: This 138 link chain provides an extended length for special circumstances, such as high pivot mountain bikes. The 126 link chain is adequate for most general road & mountain drivetrains.

Features:

• Extended inner plate improves chain engagement and retention
• Reduced shift times and pedaling shock
• Features Shimano's SIL-TEC ultra-low friction surface treatment
• Chromizing Roller Link Plates
• Compatible with Shimano 12 speed mountain and road
• Includes Quick Link

Specifications:

• Speeds: 12 Speed
• Links: 138
• Chain Width: 5.25mm
• Chain Connector: Quick-Link (SM-CN910-12)
• Pin Type: Solid
• Color: Silver
• Weight: 306g