Shimano Ultegra (R8000 GS) exploded view - #4285A November 2017
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Shimano Ultegra R8000 2x11 Speed Groupset Left+right Shifter Front+rear Derailleur Ss / Gs Original Parts For Road Bike - Bicycle Derailleur - AliExpress
Ultegra R8000 GS Rear Derailleur Medium Cage SHIMANO RD-R8000-GS Mid/Long Cage & RD-R7000-GS, Sports Equipment, Bicycles & Parts, Parts & Accessories on Carousell