SRAM Chain gap Tool for Road eTap AXS Rear Derailleur 12-speed | 26-44 Teeth Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... SRAM Chain gap Tool for Road eTap AXS Rear Derailleur 12-speed | 26-44 Teeth Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...