Tamiya 54976 TRF420 Brass Bumper Posts Race Day Front Upgrade OP-1976  [54976]

Tamiya 54976 - TRF420 Brass Bumper Posts OP-1976
Price:
AUD$15.89
Brand:
Tamiya
Model:
54976
GTIN:
4950344549764
Condition:
Brand New
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alt="Tamiya 54976 - TRF420 Brass Bumper Posts OP-1976" title="Tamiya 54976 - TRF420 Brass Bumper Posts OP-1976"

Improve Steering Balance on TRF420

For racers tuning a TRF420 chassis, the Tamiya 54976 Brass Bumper Posts are a neat upgrade to shift a small amount of weight forward. Each post is 6.85g and replacing the stock plastic B5 parts increases front mass by about 6 grams, giving a firmer, more controlled turn-in.

Handling Impact

The added front weight helps the car respond more predictably through corners, especially on tracks that reward precise steering. The change is incremental and intended to refine balance rather than overhaul it.

Installation Tips

These posts are made to replace the original TRF420 bumper posts directly. Swap them in during a setup session and evaluate handling changes before making further adjustments to suspension or tyre choice.

 

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Will adding these affect front grip in wet or dusty conditions?

The small front bias can help front-end bite in low traction situations, but you should tune tyre compound and suspension to match surface conditions.

Do these posts require new mounting hardware?

They use the same mounting points as the original parts and typically come with matching fixings. Check that screws are tightened to spec to avoid loosening under race loads.

Could these posts increase damage in a heavy crash?

Brass is harder than plastic so impact forces transfer differently. Expect stronger contact points but inspect surrounding parts after any heavy collision.

Are there tuning tips when first trying these posts on track?

Start with small steering and toe adjustments and run progressive laps to feel changes. Keep other setup items constant to isolate the effect of the front weight.

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