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This is a SRAM XX1 11-Speed Chain. The XX1 chain comes from a long line of tough, light-weight chains from SRAM. When every bit of torque counts, you can count on it to deliver.
Speeds: 11 Speed
Chain Width: 5.7mm
Chain Connector: PowerLock (Single Use)
Pin Type: Hollow (Riveted)
This product is expected to become available for purchase on Wednesday, November 17, 2021