Fits HO and O scale locomotives

testing driver skill and adding an interactive obstacle to your trail course

This is a replacement Losi Chassis Brace Set

Drive gears handle serious torque in a big monster truck

ball bearings

Traxxas 7754R X-Maxx Steel Heavy-Duty Drive Cups (2) AX10 Parts Fits HO and O scaleSteel extreme heavy duty drive cups for the X Maxx and XRT, sold as a pair. These replace the standard drive cups with a substantially stronger steel design built to survive the shock loads that 8S power puts through the driveline. The drive cup is where the driveshaft meets the differential output, and it takes the full brunt of every throttle punch, every landing, and every time a tire grabs unexpectedly. It's one of the classic failure points on