SRAM EAGLE XX1 Rear Derailleur B-Fastening Screw #11.7518.076.010 Gold

Visit fixing screw B is used to install a SRAM Eagle XX1 derailleur derailleur on your mountain bike frame. In addition to being extremely safe, this mounting method reduces noise and increases longevity.

This kit also includes the clamping nut and stop screw, enabling you to completely overhaul your derailleur.