Xtreme Racing Traxxas Sledge Carbon Fiber ESC Mount. This optional mount is intended for the Traxxas Sledge and is designed to fit the Hobbywing Max 5 ESC but can also be used with other aftermarket ESC's with similar dimensions. Also included is a replacement RPM receiver box keeping your receiver protected in harsh conditions. Constructed from high quality carbon fiber this ESC mount is a durable lightweight option when looking to upgrade your Sledge. Package includes one 2.5mm thick carbon ESC mount, one RPM receiver box and mounting hardware.