The Flattop technology of the SRAM Rival chain creates a lighter, quieter, stronger chain that’s compatible with 12-speed 1x and 2x eTap AXS drivetrains. Ride far, long and fast—this chain can go the distance.
KMC X12 chains feature a double X bridge shape for fast and smooth shifting.
Compatible with SRAM 12-speed systems.
Double X bridge shape with inner and outer plate chamfering for smooth and fast shifting.