The AJS Machine Rear Bumper Mount is designed to slip inside the chassis frame of the SCX10. Tough 6061 Aluminum construction. Greatly increases the rigidity of your chassis and Bumper. Includes all mounting hardware. Designed to be used with the rear bumpers of the Dingo and Honcho.
-Frame modification required. Drill out the two smaller holes in the chassis to .125 diameter. Use all 4 screws in bumper mount for highest strength.
-Replaces Axial’s plastic rear bumper mount that is included in the parts tree #AX80046E and #AX80039B.
[source: www.ajsmachine.com]