What are Shimano's SS and GS rear derailleurs? | cyclabo
Shimano Ultegra RD-R8000 11S rear derailleur LordGun online bike store
is somebody using an Ultegra RD-R8000 SS Rear Derailleur with a 11-32 tooth casette? Shimano says it works for up to 30T and ceramicspeed says it works for up to 32T : r/bikewrench