SRAM APEX XPLR/APEX Eagle 12S Mechanical Rear Derailleur B-Bolt& Limit Screw Kit

SRAM Apex Rear Derailleur Barrel Adjuster Kit - High-Performance Gear Tuning

SRAM, B-Bolt Kit for APEX XPLR/Eagle

SRAM GX Eagle Rear Derailleur B-Bolt & Limit Screw Kit for Precision Gear

SRAM Rear Derailleur Frame Sleeve B-Bolt Kit for T-Type & RED XPLR E1, Aluminum

SRAM Rival XPLR eTap AXS 12s Rear Derailleur, XG1251 10–44 cassette, RED chain

SRAM APEX XPLR AXS Rear Derailleur Pulley Kit

SRAM Hex Key B-Bolt & Limit Screw Kit for XX1/X01 Eagle Rear Derailleur