Description
Derailleur and brake lever assembly (for racing handlebars) Shimano Dura-Ace ST-R9100-RL
Fast and intuitive shifting "Shorter shifter travel -Modified internal shifting system "Easier front shifts -Revised front system with new front derailleur・Comfortable grip and operation "More customizable and precise shifter position -Extended extension adjustment range (20.8 mm)・Polymer coating reduces friction
