Shimano CN-6600-10 Chain - 10-Speed | 116 Links Hydraulic Bleed Kits the exterior handles the daily

the exterior handles the daily abuse that comes with tossing a bag in and out of vehicles

and an extra pocket

while keeping the minimal

the Multi 17 is the sweet spot

and the lockring is included

Shimano CN-6600-10 Chain - 10-Speed | 116 Links Hydraulic Bleed Kits the exterior handles the dailyWhy Is the Shimano CN 6600 10 the Correct Chain for Ultegra 6600 Drivetrains? The Shimano CN 6600 10 is the OEM specification 10 speed chain for the Ultegra 6600 generation groupset, built with Shimano's HG X directional chain technology for smooth, reliable shifting across the full cassette range. The directional construction ensures clean front and rear shifts at every cadence, delivering the precise performance expected from Ultegra level