Traxxas TRX-4 Precision Aluminum Knuckle Arms (Front) - JR-TRX412-BK by Jazrider  [JR-TRX412-BK]

Traxxas TRX-4 Aluminum Front Knuckle Arms Set (Black)
Price:
AUD$23.12
Brand:
JAZRIDER
Model:
JR-TRX412-BK
Condition:
Brand New
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Precision front knuckle arms for Traxxas TRX-4

The JR-TRX412-BK set upgrades TRX-4 front knuckles to precision-machined aluminum, aimed at improving steering responsiveness and preserving alignment during challenging trail and scale crawling.

Designed as a drop-in match for TRX-4 mounting geometry, these knuckles usually require only the standard removal and refit process. The alloy design emphasizes minimal dimensional change with repeated use compared to engineered plastics.

For setup and tuning, these knuckles can influence steering feel and reaction. After installation confirm toe settings and draglink clearance, and operate the suspension through its full range to ensure smooth, binding-free movement. They pair with the vehicle's existing TRX-4 steering linkage and hub interfaces on compatible models.

Specifications

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

Select this aluminum knuckle arm set when you want tighter steering feedback and long-term dimensional stability for TRX-4 front end tuning and performance.

Will upgrading to aluminum affect steering tuning?

Yes, the increased stiffness can change steering feel and may require small toe or link length adjustments to achieve the desired response. Recheck alignment after fitting and fine tune as needed.

Should I adjust shock or suspension settings after install?

Suspension damping and spring preload are generally unchanged, but confirm there is no binding through suspension travel; minor damping tweaks can help restore expected steering behavior on some rigs.

Do these work with all TRX-4 wheel hubs?

They are made to interface with standard TRX-4 hub and steering linkage geometry. If your vehicle has nonstandard hubs or modified parts, verify fitment before installation.

Any recommended checks after a few runs?

After initial runs inspect fastener torque, check for play at ball ends, and confirm there is no unusual wear at mounting points; retorque if necessary to factory specifications.

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