Samix Traxxas TRX-4 Aluminum Rear Shock Plate.

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.

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.

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.

The Samix TRX-4M Brass Differential Cover is a great option for those looking to lower the CG of their micro crawler. Made from CNC machined brass, this differential cover will add 16g of low end weight.

The Samix Traxxas TRX-4 Brass Lower Shock/Link Mount Set is a precision machined link mount option that adds 45 grams of unsprung weight to the axles of your TRX-4, for improved CG and overall performance.

Samix SCX24 +3.5mm Brass Hex Adapters are a great way to add a bit of low hung un-sprung weight to your SCX24 for improved stability. Plus, the 3.5mm thickness increases track width up to 1mm.

SAMTRX4M-SD15-BL Samix TRX-4M 2-in-1 Hex Wrench/Nut Driver (Blue) (1.5mm Hex/5mm Nut)