Traxxas TRX-4 Centre Gear Box JAZRIDER JR-TRX423-BK - Black Aluminium Upgrade  [JR-TRX423-BK]

Traxxas TRX-4 Aluminum Center Gear Box (Black)
Price:
NZD$60.42
Brand:
JAZRIDER
Model:
JR-TRX423-BK
Condition:
Brand New
Available in warehouse
Write a review

Upgrade your TRX-4 centre gear box with JAZRIDER JR-TRX423-BK aluminium

For trail and scale crawling, swapping the factory plastic centre gear box for the JAZRIDER JR-TRX423-BK aluminium version gives a more durable core component. The black machined housing reduces failure points when tackling technical lines.

Why aluminium is a sensible choice

Aluminium adds rigidity where plastic can flex and fail. That extra stiffness helps protect internal gears and maintains better gear mesh under load, which is useful for repeated climbs and heavy use.

Installation tips and compatibility

The part is built specifically for the Traxxas TRX-4 platform and installs with common RC tools. It keeps the same mounting points so you should not need chassis alterations for most TRX-4 variants.

Benefits at a glance

  • Improved structural strength for aggressive driving
  • Compact, low mass upgrade to preserve balance
  • Accurate fitment for a hassle free swap

Can I run this with stock TRX-4 electronics?

Yes, this gearbox is a mechanical housing upgrade and works with standard TRX-4 electronics and driveline parts.

Does fitting require shims or modifications?

In most cases the unit fits without shims. If you notice play after install, check bearing condition first; minor shimming could be used to fine tune mesh.

Will it affect centre differential action?

No internal gear geometry is changed by the housing swap, so differential behaviour should remain consistent with the original setup.

Copyright © 2008-2025 rcjaz.co.nz All rights reserved