These replacement tyres are produced for TRX4M platforms and use a soft butyl rubber compound combined with foam inserts to enhance traction on technical obstacles. The compound is described as super-soft (25 degree) butyl rubber instead of TPU/TPR, and the manufacturer notes a clear improvement in grip over typical plastic tyres.
The tyres are reinforced internally and supplied with a standard foam insert to keep tyre profile and sidewall support consistent under load, which aids stability and limits tearing during repeated runs. The build is intended to reduce slip on damp rock while preserving a responsive contact patch for slow crawling.
Fitment and assembly: sized for 1.0 inch rims with a deliberately tight inner diameter to reduce rim slippage. The bead design incorporates a long tongue and longer fixing screws for direct mounting, along with a narrow clamping thickness to simplify one-handed compression and wheel assembly.
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