Gap Adjustment Tool for SRAM chain axs rear derailleur Compatible for SRAM Chain gap, for Road/XPLA eTap AXS read derailleur Drivetrain adjustment tool for Sram XPLR Red/Force/Rival eTap AXS Durable plastic, long time to use Chain gap Adjustment Tool for SRAM Rear Derailleur Road, for Sram Chain gap Road / XPLR eTap AXS