SRAM 10-Speed X9 Rear Derailleur B Screw and Limit Screw Service Parts Kit Steel Review Posted by GiantPandaisy July 19, 2018 in Drivetrain Components This fits your . Make sure this fits by entering your model number. SRAM Miscellaneous Rear Derailleur Parts. SRAM Miscellaneous Rear Derailleur Parts. Cycling Outdoor Recreation Parts & Components Sports & Outdoors SRAM