Carriers, stub axle, rear, extreme heavy duty, black (left & right)/ 3x41mm hinge pins (2)/ 3x20mm BCS (2) (for use with #9080 upgrade kit)

Stub axle assembly, rear, outer, extreme heavy duty (1) (left or right) (assembled with internal-splined half shaft) (for use with #9080 upgrade kit)

Boost the top end of your TRX-4M™ with this Speed transmission. The transmission features a high 9.7:1 reduction ratio for maximum speed. Traxxas Pro Built®transmissions come professionally assembled with bearings and a fresh new Titan® 180 87-turn motor.

Give your TRX-4M™ unstoppable torque with this low-range transmission. The transmission features an ultra-low 40.3:1 reduction ratio for maximum rock-climbing power.

The Pro Built® high range (standard) transmission comes professionally assembled with bearings and a fresh new Titan® 180 87-turn motor.

Rear bumper mount, XRT

Functional Method Race Wheels® 105 beadlock wheels look great on your TRX-4M™ and provide maximum grip on the tire bead. Beadlock wheels work with standard TRX-4M tires and the optional 9782 Mickey Thompson® Baja Pro X® off-road tires.

Each brass wheel weight adds 31 grams to the lowest part of your TRX-4M™ for improved anti-rollover stability and superior rock-climbing capability.