The Samix TRX-4 Aluminum Drop Hitch Receiver is an optional accessory for TRX-4 trucks.

Samix TRX-4M Aluminum Front Shock Plate Set. Constructed from high quality machined aluminum this shock plate set offers superior strength and rigidity over the stock parts, while looking great doing it.

The Samix TRX-4M Brass Hex Adapter are a great option to lower the center of gravity in your mini crawler.

Samix TRX-4M Aluminum Servo Mount. This heavy duty mount is constructed from CNC machined high quality aluminum giving the TRX-4M a strong servo mounting solution that will not flex like the stock unit.

SAMTRX4-4064 Samix Traxxas TRX-4 Brass Rear Hub Carriers (Black) (2) (34g)

The Samix Traxxas TRX-4 Brass Hub Carrier V2 is a precision machined c-hub option that adds 82 grams of unsprung weight to the front of your TRX-4, for improved forward weight bias and performance.

The Samix Traxxas TRX-4 Titanium High Clearance Link Kit is a titanium link upgrade kit that will retain the stock TRX-4 wheelbase.

Samix Traxxas TRX-4 Brass Differential Covers are machined from heavy brass material and add a total of 60 grams of unsprung weight to the front or rear axle housing.

These are the Samix SCX24 Aluminum and Brass Adjustable Offset 1.0" Beadlock Wheels.