Shimano 105 RD-R7000-GS Medium Cage Rear Derailleur 11-speed | eBay
Shimano 105 R7000 Shadow RD Direct Rear Derailleur, Black | Bikeinn
How To: Adjust Shimano Rear Derailleurs - YouTube
Shimano 105 rear derailleur failed with a bang in 3 places at same time. Would fitting a new R7000 rear mech work with my 5800 shifters? : r/bikewrench