JAZRIDER JR-TRX423-GU Aluminium Center Gearbox - Trail Upgrade  [JR-TRX423-GU]

Solid aluminium gearbox upgrade for TRX-4

Fit the JAZRIDER JR-TRX423-GU aluminium centre gearbox to strengthen your Traxxas TRX-4. The gun metal finish matches popular scale looks while giving a tougher alternative to stock plastic housings for longer trail sessions and reduced wear.

Benefits of an aluminium centre gearbox

Aluminium brings a good balance of light weight and structural strength, helping the TRX-4 resist flex and cope with rocky lines. The JAZRIDER housing helps the drivetrain stay aligned under load, which can reduce gear wear during long runs.

Fitting notes and tips

Installation is straightforward for anyone familiar with TRX-4 service work. The JAZRIDER JR-TRX423-GU is made to fit standard TRX-4 layouts, but check your existing hardware and follow basic gearbox lubrication and break-in steps for best results.

Specifications

A practical upgrade for hobbyists who want a more durable centre housing on trail runs, the aluminium gearbox improves long term reliability without adding unnecessary weight.