Traxxas TRX-4 Front Knuckle Arms for Scale Crawling JR-TRX412-GU by Jazrider  [JR-TRX412-GU]

Traxxas TRX-4 Aluminum Front Knuckle Arms Set (Gun Metal)
Price:
£12.20
Brand:
JAZRIDER
Model:
JR-TRX412-GU
Condition:
Brand New
Available in shop
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Front knuckle arms tailored for TRX-4

This JR-TRX412-GU front knuckle arms set is an RC-scale replacement intended for Traxxas TRX-4 chassis models. Forged from aluminum with a gun metal finish, the knuckles are intended to serve as direct-style front steering arms on TRX-4 scale and trail crawlers.

The component is aimed at enhancing chassis robustness and preserving steering alignment during technical crawling. Swapping out the plastic originals provides a firmer mounting surface for hubs and steering links, which helps maintain consistent steering under load.

Fitment advice: check the TRX-4 steering spindle interface and ensure adequate clearance to suspension parts and axle links prior to final tightening. Examine thread engagement, and validate smooth lock-to-lock steering travel post-install.

Specifications

  • Item: Front knuckle arms set
  • Material: Aluminum
  • Model Number: JR-TRX412-GU
  • Compatibility: Traxxas TRX-4

Compatibility

  • Designed for Traxxas TRX-4 chassis only.

Suitable as a direct replacement or upgrade for dedicated scale trail and rock crawling TRX-4 rigs where a stronger steering mount is desired; always confirm fitment and steering clearance during installation.

Some TRX-4 variants have accessory or servo mount differences; confirm your vehicle's exact spindle and hub layout before committing to the swap.
If you notice increased loads on the steering under crawling, consider a higher-torque metal-geared servo and secure linkages to prevent slop.
Use appropriate washers and avoid direct contact between dissimilar metals where possible; periodic inspection and light lubrication at pivot points reduces corrosion risk.
Periodically confirm fastener torque, look for play at pivots, and recheck steering range to ensure nothing has shifted after initial runs.

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