Shimano Dura-Ace R9100 Rear Derailleur Cable Adjusting Unit

Need a spare Shimano cable adjuster assembly for your Dura-Ace R9100 rear derailleur? You've found it. Making sure this part is in working order can mean the difference between a two-second barrel twist to return your shifting to perfect, or getting out the multi-tool to readjust the cable again and again until it's close enough to get home. Your choice.