Waxed with KMC GO Chain wax - Ready to ride out of the box DLC 12 Chain is compatible with most 12 speed drivetrains (excludes Shimano 10t cassettes & SRAM Eagle Transmission T-Type, 12-speed road/gravel) Suitable for use on mid-motor e-Bikes Unique coating for reduced abrasive wear and ultra long life - DLC (Diamond Like coating) Size: 126 Link - 1/2” x 11/128”