114 pins. 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 pe...(more)
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 mai...(more)
