KMC X12 Chain (Gold) (12 Speed) (126 Links) [X12_X_126L,TI_GOLD]
Last but not least, these chains are non-directional and are compatible with 12 speed drivetrains from Campagnolo, Shimano, and SRAM. Mushroom riveted pins for the highest pin power and allows shifting under heavy loads.
KMC X11SL Ti-Nitride Chain (Gold) (11 Speed) (118 Links) [X11SL-TI-116L]
Includes KMC Missing Link 11. For athletes looking for the lightest, strongest, smoothest shifting chain look no further. Hollow mushroom riveted pins for the highest pin power and allows shifting under heavy loads.