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JConcepts Rock Block 1.9" Class 1 tires 4138-02

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SKU: 4138-02

Sale price28,90 €
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🚀 JConcepts Rock Block 1.9" - Tires Crawler Asymmetric High Performance

With Rock BlockJConcepts sets a new benchmark for crawlers Class 1. Designed by Adventure Team in Florida, these 4.19” asymmetrical design (L/R) and a rubber compound with a Green Compound tread compound for superb grip on all surfaces: rock, sand, wet or dry earth. Their unique tread pattern, with multifaceted center blocks and massive side studs, ensures grip, precision and longevity.

⚙️ Technical specifications

  • Outside diameter : 4.19" (Class 1)
  • Width : 1.53" (≈ 39 mm)
  • Mounting: rims crawler standard & beadlock 1.9" rims
  • Asymmetrical design left/right (L & R marked on side)
  • Multifaceted center blocks (3 different sections)
  • Zigzag side studs and integrated wear bars
  • Constant carcass thickness for stability
  • Molded markings with JConcepts logo and references
  • Composed of : Green Compound JConcepts (ultra soft)
  • Open foam inserts included

🧩 Contents

  • 2 JConcepts Rock Block 1.9" tires (Green Compound)
  • 2 open cell foam inserts

❗ What to expect

  • Rims crawler 1.9" (not included)
  • Special RC tire glue (for non-beadlock mounting)

🎯 Who's it for?

  • Drivers crawler Class 1 looking for versatility and maximum grip
  • Competitors looking to optimize their performance on mixed terrain
  • Scale builders demanding realism and efficiency

🔄 Compatibility

  • All rims 1.9" beadlock or bonded rims
  • standard Class 1 Crawler (≤ 4.19”)
Logo fabricant
JConcepts is a leading manufacturer of RC modeling accessories, including well-designed bodies, tires, and wheels, preferred by RC racing professionals for their high quality and performance competitiveness.
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