Tamiya 53921 TRF415 Front Aluminium Diff Joint [53921]

Tamiya 53921 - TRF415 Front Aluminum Differential Joint OP-921

Price:

NZD$42.59

Brand:

Tamiya

Model:

53921

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Spares / Hop-ups - Tamiya - TRF415

Race-Oriented Front Diff Joint for TRF415

The Tamiya 53921 Front Aluminum Differential Joint is crafted to upgrade TRF415 platforms. By allowing the front one-way to be swapped for a ball differential, it helps deliver steadier front-end grip and improved mid-corner balance on a variety of layouts. This change is often used in race classes where front one-way units are limited or banned.

Specifications

Material: Aluminum
Compatibility: TRF415, TRF415MS, TRF415MSX
Function: Front ball differential conversion

Tamiya 53921 is a practical hop-up for drivers who want more consistent front traction from their TRF415 in competitive settings.

Is the installation difficult for club-level mechanics?

Basic mechanical skills are enough, but careful attention to diff build and shim settings is important. Refer to the TRF415 assembly guides for correct procedures.

Will this change front feel on carpet tracks?

Switching to a ball differential typically gives a more predictable and adjustable front response on carpet, helping with turn-in and traction consistency.

Any tips for building the ball differential?

Use quality diff balls and follow recommended oil weights for your track. Small changes to preload and shim stacks can noticeably alter handling.

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