Tamiya 40142 Rear Inner Sponge - 1/12 On-Road Fitment [40142]

Price:

NZD$3.96

Brand:

Tamiya

Model:

40142

GTIN:

4950344401420

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R/C General - Wheels / Tyres - 1/12 On-road

Improve Tyre Contact with Tamiya 40142 Rear Inner Sponge

The Tamiya 40142 Rear Inner Sponge supports 1/12 scale on-road tyres to keep the tyre profile consistent through corners. The foam insert preserves tyre shape under load so you get predictable bite and smoother transitions on sealed track surfaces.

Top Features of the 40142 Insert

Firm Support: Precisely sized foam that reduces wall flex for steadier traction.
Long Lasting Foam: Tough material that resists deformation during club runs and practice sessions.
Wheel Match: Made to pair with 1/12 on-road wheels for a neat, reliable fit.

How firm is the foam inside the Tamiya 40142?

The foam has a medium-firm density that balances support with enough compliance to follow the track surface without making steering harsh.

Is this insert suitable for carpet racing?

Yes, it works well on carpet as it helps tyres maintain contact and reduces unpredictable deflection during cornering.

Do I need adhesive to fit it?

Most users fit the insert by pressure alone, but a small amount of tyre-safe adhesive can secure it for heavy use.

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