Kmcs 9 speed chains are compatible with all major shifting systems shifting performance durability and easy mounting are other key words for kmc chain kmc have the perfect chain for all type of riders key features 12 x 11128 116 links pin length 66mm compatible with any 9 speed derailleur system includes missing link re usable split link x bridge outer plates hi performance extremely durable weight 298g for more information on how to keep your bike running smoothly