Tamiya 42289 TRF102 1/10 Formula Chassis for Precision Setup  [42289]

Tamiya 42289 - 1/10 RC TRF102 Chassis Kit
Price:
NZD$559.03
Brand:
Tamiya
Model:
42289
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alt="Tamiya 42289 - 1/10 RC TRF102 Chassis Kit" title="Tamiya 42289 - 1/10 RC TRF102 Chassis Kit"
alt="Tamiya 42289 - 1/10 RC TRF102 Chassis Kit" title="Tamiya 42289 - 1/10 RC TRF102 Chassis Kit"
alt="Tamiya 42289 - 1/10 RC TRF102 Chassis Kit" title="Tamiya 42289 - 1/10 RC TRF102 Chassis Kit"

Purpose-built TRF102 chassis for precise handling

The Tamiya 42289 - 1/10 RC TRF102 Chassis Kit targets enthusiasts focused on 2WD formula performance. Its T-bar rear suspension separates pitch and roll behaviour so the car keeps tyre contact on mixed surfaces, which helps drivers find consistent lap times at competitive meetings like the Tamiya Grand Prix.

Carbon parts engineered for predictable flex

With a 2.0mm carbon upper deck paired to a 2.5mm carbon lower deck, the TRF102 balances rigidity and controlled bend to tune front-to-rear grip. A floating mount for the traction battery aids mass centralisation and helps the chassis settle into corners.

Responsive steering and independent rear control

The independent T-bar arrangement gives distinct pitch and roll responses, while a low roll point increases the roll moment for better cornering balance. The pitching shaft is self-contained to smooth rough sections, and the aluminium servo mount plus carbon steel bridge provide a stiff steering platform.

Greater room for components and personal setup

Compared to the TRF101, this chassis opens up more mechanical mounting area so you can tailor electronics layout and balance. The adjustable aluminium motor mount also allows fine tweaks to rear wing placement and drivetrain alignment.

Specifications

  • Scale: 1/10
  • Drive Type: 2WD
  • Suspension: T-bar-type rear suspension
  • Upper Deck: 2.0mm Carbon
  • Lower Deck: 2.5mm Carbon
  • Motor Mount: Adjustable aluminum

The Tamiya 42289 - 1/10 RC TRF102 Chassis Kit appeals to tuners and experienced racers who want a chassis that reacts predictably to setup changes.

Begin with baseline settings: neutral camber, standard droop, and a medium roll bar feel. Use small changes to T-bar pre-load and battery position to see their effect on traction before making bigger adjustments.
Yes, the chassis works well with foam-insert formula tyres; match insert hardness to track grip and adjust suspension to suit the tyre behavior.
Absolutely. Use conservative settings for camber and toe, keep the motor mount central, and reduce T-bar complexity until you are comfortable with how the car reacts on your home track.
Avoid over-tightening screws into carbon, regularly clean mounting holes, and inspect for hairline damage after hard impacts. Replace worn hardware to prevent stress points in the decks.

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