CHAIN SHIMANO CN-HG53 9S.

Chain used in Deore mountain group or Tiagra Road group. Super narrow 9 speed construction ( Allows the use of a 9 speed sprocket cluster with the same overall width as 8 speed types). Precision Construction ( Ultra-precision construction maintains strength, dependability and shifting performance on the narrower 9-speed sprocket cluster). Improved Durability ( Pin pull-out resistance increased by 50%). Pin Link Plate gray. Roller Link Plate black. Chromizing Treatment Link Pin.