Kactus Tech Kactus 17T Carbon Oversized Pulley Wheel Systems Kactus Tech Kactus 17T カーボンシェル・ビッグプーリー(シマノ用)

・For shimano  DURA-ACE (R9100 / R9000 / R9070) ,   ULTEGRA (R8000 / R6800 / R6700)   ・Shell: Carbon ・Pulley Bearing:  Ceramic ・Jockey wheel : Aluminium ・Teeth: 17T / 17T...

・For shimano  DURA-ACE (R9100 / R9000 / R9070) ,   ULTEGRA (R8000 / R6800 / R6700)   ・Shell: Carbon ・Pulley Bearing:  Ceramic ・Jockey wheel : Aluminium ・Teeth: 17T / 17T...