These replacement tyres are produced for TRX4M 1/18 scale models under part number TRX4MZSP24A. The tread compound is a 25 degree super-soft butyl rubber that prioritises adhesion for scale rock crawling, and each tyre includes a foam insert plus internal reinforcement to help maintain shape and longevity.
The specified compound is butyl rather than TPU or TPR, offering superior tack on wet and rocky surfaces. Reinforcements plus a standard foam insert provide firmer sidewall control during low speed manoeuvres. The internal diameter is intentionally close to the wheel to limit slippage, and the bead design uses an extended tongue for dependable clamping.
Fit notes: built for 1.0 inch wheel mounting used on TRX4M platforms; the tyre accommodates longer fixing screws and a narrow clamping profile to ease installation. Wheels with a one-handed clamping device let you compress tyre and rim quickly during fitment.
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