For Traxxas TRX4M Bronco/Defender Axle End Weight Upgrade - JR-TRX4M03-BK by Jazrider  [JR-TRX4M03-BK]

Tuning-focused brass axle covers

This scale accessory set fits Traxxas 1/18 TRX4M Bronco and TRX-4M Defender models and is finished black over brass. The axle covers are intended to serve as external end caps that change appearance while increasing axle-end mass for tuning low-speed behavior on technical terrain.

Made from brass with a black finish, the parts mount to the outside of the specified TRX4M axle housings using the existing cover attachment points. They are supplied as visual and weight-modifying accessories rather than internal axle upgrades.

From a handling perspective, the additional brass mass at the axle ends can alter traction feel and vehicle attitude at slow speeds, which some builders use to fine-tune crawler balance. Installation follows the factory mounting locations on compatible TRX4M Bronco and TRX-4M Defender chassis; check fitment before final installation.